Page 2 - Trademarks; COPYRIGHT
COMSPHERE 3800 Series Modems A November 1996 3810-A2-GB30-20 COMSPHERE 3800 Series Modems Models 3810, 3811, and 3820 User’s Guide3810-A2-GB30-20 3rd Edition (November 1996) Changes and enhancements to the product and to the information herein will be documented and issued as a new release. For the ...
Page 3 - Important Safety Instructions; Never install telephone wiring during a lightning storm.
Safety Instructions B 3810-A2-GB30-20 November 1996 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in themanual. 2. This product is intended to be used with a three-wire grounding type plug – a plug which hasa grounding pin. Th...
Page 4 - Notices; The following warning applies to all Model 3811 modems.; WARNING
COMSPHERE 3800 Series Modems C November 1996 3810-A2-GB30-20 Notices THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A DIGITAL DEVICE,PURSUANT TO PART 15 OF THE FCC RULES. THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLEPROTECTION AGAINST HARMFUL INTERFERENCE WHEN THE E...
Page 5 - Government Requirements and Equipment Return; United States; Notice to Users of the Public Switched Telephone Network; services on which the equipment is to be connected.
Safety Instructions D 3810-A2-GB30-20 November 1996 Government Requirements and Equipment Return Certain governments require that instructions pertaining to modem connection to the public switchedtelephone network be included in the installation and operation manual. Specific instructions arelisted ...
Page 6 - Canada
COMSPHERE 3800 Series Modems E November 1996 3810-A2-GB30-20 8. This equipment cannot be used on public coin service provided by the telephone company. Connection to Party Line Service is subject to state tariffs. (Contact the state public utilitycommission, public service commission or corporation ...
Page 7 - CAUTION
Safety Instructions F 3810-A2-GB30-20 November 1996 Repairs to certified equipment should be made by an authorized Canadian maintenance facilitydesignated by the supplier. Any repairs or alterations made by the user to this equipment, orequipment malfunctions, may give the telecommunications company...
Page 8 - Table of Contents; Preface; vii; Introduction
i 3810-A2-GB30-20 November 1996 Table of Contents Preface Objectives and Reader Assumptions vii . . . . . . . . . . . . . . . . . . . . . . . . . . . How to Use This Manual vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Related Documents vii . . . . . . . . . . . . . . ....
Page 10 - Security
Table of Contents iii 3810-A2-GB30-20 November 1996 12. Security Overview 12-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Security Branch 12-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Security Password ...
Page 11 - List of Figures; Figure
COMSPHERE 3800 Series Modems iv November 1996 3810-A2-GB30-20 List of Figures Figure Page 2-1 Model 3810 and 3820 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Model 3810 Rear Panel 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 12 - List of Tables; Tables
Table of Contents v 3810-A2-GB30-20 November 1996 List of Tables Tables Page 4-1 Model 3810 and Model 3811 DCP LEDs 4-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Model 3820 DCP LEDs 4-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 13 - How to Use This Manual
vii 3810-A2-GB30-20 November 1996 Preface Objectives and ReaderAssumptions This manual describes how to install and operate the COMSPHERE r 3800 Series standalone and carrier-mounted modems. It is assumed that you have abasic understanding of modems and their operation. How to Use This Manual Chapte...
Page 14 - Overview
1-1 3810-A2-GB30-20 November 1996 Introduction Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 15 - Features; The 3800 Series modems have a wide variety of; Options; The 3800 Series modems also may have the following
COMSPHERE 3800 Series Modems 1-2 November 1996 3810-A2-GB30-20 Features The 3800 Series modems have a wide variety of features. • Dial-Line Modulations: V.32terbo (19,200 and16,800 bps), CCITT V.32bis (14,400, 12,000, 9600,7200, and 4800 bps), V.32 (9600 and 4800 bps),V.22bis (2400 bps), V.22 (1200 ...
Page 16 - The rear of the modem contains an ON/Off power
2-1 3810-A2-GB30-20 November 1996 Model 3810 and 3820 Installation Overview 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3800 Series Modem Package 2-2 . . . . . . . . . . . . . . . . . . . . . . ...
Page 18 - Customer-Supplied Equipment
Model 3810 and 3820 Installation 2-3 3810-A2-GB30-20 November 1996 Customer-Supplied Equipment The following customer-supplied equipment is required to complete a data communications system usingeither the Model 3810 or Model 3820 modem: • A DTE with an available EIA-232-D serial port. • A standard ...
Page 19 - DTE Connection; Use the following procedures to connect the
COMSPHERE 3800 Series Modems 2-4 November 1996 3810-A2-GB30-20 Connecting Model 3810 and Model 3820Modems with Supplied Cables Figure 2-2 and Figure 2-3 show how Model 3810 and Model 3820 modems are connected to certain TELCOjack types using the supplied cables. For other TELCOconnections, refer to ...
Page 21 - Dial Network Connection; NOTE; AT Command Set
COMSPHERE 3800 Series Modems 2-6 November 1996 3810-A2-GB30-20 Dial Network Connection The telephone company provides the line termination jacks for the type of service you request. You may chooseto operate in either Permissive or Programmable mode.Advance coordination with the telephone company iss...
Page 24 - The Model 3811 modem’s rear has two DTE edge card
3-1 3810-A2-GB30-20 November 1996 Model 3811 Installation Overview 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Model 3811 Installation 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 25 - The Model 3811 is designed for installation in a
COMSPHERE 3800 Series Modems 3-2 November 1996 3810-A2-GB30-20 496-13155-02 TXD RXD RTS CTS DSR DTR LSD 103 104 105 106 107 108 109 Pwr Alrm Test Dial RI Busy Serv SQ Status Front Panel 3811 142 125 Spkr FACEPLATE EIA-232/V.24 EDGE CARD CONNECTOR RS-366A/V.25 EDGE CARD CONNECTOR EIA-232/V.24 CONNECT...
Page 26 - The installation of a Model 3811 varies slightly if an; At the rear of the carrier install the rear connector; If the carrier is ON, the Power LED on the
Model 3811 Installation 3-3 3810-A2-GB30-20 November 1996 The installation of a Model 3811 varies slightly if an SDCP is installed on the front of the carrier. To install aModel 3811 modem into the carrier without an SDCP,perform the following steps: CAUTION If the Model 3811 is removedfrom the carr...
Page 28 - DCP Operation
4-1 3810-A2-GB30-20 November 1996 DCP Operation Overview 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagnostic Control Panels 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 30 - The SDCP, is used to manage carrier-mounted Model
DCP Operation 4-3 3810-A2-GB30-20 November 1996 Model 3811 Faceplate and SharedDiagnostic Control Panel The SDCP, is used to manage carrier-mounted Model 3811 modems. Use the SDCP to issue commands to, viewand select configuration options on, or monitor tests for aspecific Model 3811 modem. The face...
Page 31 - Status Indicators; The 3800 Series modems’ status indicators; Label; Pwr
COMSPHERE 3800 Series Modems 4-4 November 1996 3810-A2-GB30-20 Status Indicators The 3800 Series modems’ status indicators continuously provide information on the modem’soperating condition. All of the status indicators on theModel 3810 and Model 3820 appear on the DCP (Figures 4-1 and 4-2), whereas...
Page 32 - DCP LEDs for the standalone Model 3820 are listed
DCP Operation 4-5 3810-A2-GB30-20 November 1996 DCP LEDs for the standalone Model 3820 are listed and described in Table 4-2. The SDCP LEDs are listed and described in Table 4-3. Table 4-2 Model 3820 DCP LEDs Label Color Indicates RTS/105 green RTS signal is ON. CTS/106 green CTS signal is ON. TXD/1...
Page 33 - LCD Display; Hidden Choice Indicators; Right Scroll Indicator >; Keypad; Key
COMSPHERE 3800 Series Modems 4-6 November 1996 3810-A2-GB30-20 Diagnostic Control Panel Operation The 3800 Series modem’s diagnostic control panel (DCP) is the user interface to all functions used toconfigure and control the modem. This interface includesthe status light-emitting diodes (LEDs), and ...
Page 34 - Menu Structure
DCP Operation 4-7 3810-A2-GB30-20 November 1996 Key The key moves you up one level in the menu tree. and Keys Use the and keys to move the viewing window left or right and to scroll the remainingbranches and selections into view. A maximum of three selections can be displayed at one time. These keys...
Page 35 - Access to all menu tree branches from the DCP begins
COMSPHERE 3800 Series Modems 4-8 November 1996 3810-A2-GB30-20 Top-Level Menu Status and Operational Messages Access to all menu tree branches from the DCP begins at the Top-Level menu, the head of the menu hierarchy. The LCD’s top line identifies the modem status, as listedin Table 4-4, while the b...
Page 38 - Messages listed in Table 4-5 are common operational; Common Operational Messages
DCP Operation 4-11 3810-A2-GB30-20 November 1996 Messages listed in Table 4-5 are common operational messages that occur during modem operation. Thesemessages normally appear on the second line of the LCD. Table 4-5 Common Operational Messages Common Operational Messages Indicates Please Wait... App...
Page 39 - Messages listed in Table 4-6 are dial access security; Dial Access Security Messages
COMSPHERE 3800 Series Modems 4-12 November 1996 3810-A2-GB30-20 Messages listed in Table 4-6 are dial access security messages that can occur when the optional securityfeature is installed. The Top-Level menu’s main branches appear on the LCD in the order of Call Setup, Talk / Data, Status, Test,Con...
Page 40 - Using AT Commands
DCP Operation 4-13 3810-A2-GB30-20 November 1996 Selecting FactoryConfiguration Options After the modem passes the power-up self-test, configure it for operation using one of the factory presetconfigurations. The 3800 Series modems have several factory preset templates that contain the most commonly...
Page 41 - Using the Diagnostic
COMSPHERE 3800 Series Modems 4-14 November 1996 3810-A2-GB30-20 • On initial power-up, the modem is in Commandmode. To verify that the modem is connected andfunctioning properly, enter the following: TYPE: AT PRESS: Return (Enter) The screen displays OK. If the modem does not return OK, refer to App...
Page 43 - Call Setup Branch; The Call Setup branch of the Top-Level menu allows
5-1 3810-A2-GB30-20 November 1996 Call Setup Branch Overview 5-1 ă . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Call Setup Branch 5-2 ă . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 44 - Dial Disconnect; AT Command Equivalent
COMSPHERE 3800 Series Modems 5-2 November 1996 3810-A2-GB30-20 Call Setup Branch In the following descriptions, the shaded key indicates what key to press to perform the described operation. To access the Call Setup branch from the Top-Level menu, select Call_Setup: F1 Idle: 19.2 > Call_Setup F2 ...
Page 45 - Answer
Call Setup Branch 5-3 3810-A2-GB30-20 November 1996 Disconnect Disconnect allows the modem to go on-hook (hang up). Use this function when you want to disconnect anestablished call on a dial line. NOTE When the Model 3820 isconfigured for leased-lineoperation, this function is notavailable and is no...
Page 46 - Dial Standby/Return to Dial
COMSPHERE 3800 Series Modems 5-4 November 1996 3810-A2-GB30-20 Dial Standby/Return to Dial The Dial Standby and Return to Dial functions appear on the LCD only after the Model 3810 or Model 3811,operating on leased lines, is placed into dial backup. Oncethe modem is operating in Dial Backup mode, th...
Page 47 - Change Directory; Nxt
Call Setup Branch 5-5 3810-A2-GB30-20 November 1996 F1 Dial StandbyCommand Complete F2 F3 If the modem is operating in a Dial Backup mode, the Dial Standby function forces the modem to leased linesand displays the status message Command Complete. Once the modem is in Dial Standby mode, the Return to...
Page 48 - Table 5-1 describes what can be entered in directory; Valid Dial Command Modifiers; P – Pulse dial. Only the digits 0–9 can be dialed in Pulse Dial mode.
COMSPHERE 3800 Series Modems 5-6 November 1996 3810-A2-GB30-20 F1 01 : 9W5556789 z Nxt ąąąĄ " # F2 F3 To save the number just entered, scroll to the next directory location by selecting Nxt or press the " or # key. The number is now stored in nonvolatile memory. AT Command Equivalent The AT ...
Page 49 - The Talk/Data branch of the Top-Level menu allows
6-1 3810-A2-GB30-20 November 1996 Talk/Data Branch Overview 6-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Talk/Data Branch 6-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 51 - Status Branch; The Status branch of the Top-Level menu allows you
7-1 3810-A2-GB30-20 November 1996 Status Branch Overview 7-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Status Branch 7-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 52 - Identity
COMSPHERE 3800 Series Modems 7-2 November 1996 3810-A2-GB30-20 Status Branch To access Status from the Top-Level menu, make the following selections: F1 Idle : 19.2Tlk/Data Status F2 F3 Press the key until Status appears. Select Status. VF VF displays the condition of the dial or leased-line connect...
Page 53 - FRev
Status Branch 7-3 3810-A2-GB30-20 November 1996 Identity Identity displays the modem’s serial number, model number, firmware revision level, hardware part numberand firmware part number. Retrieval of this information isuseful if you are purchasing additional or replacementmodems and/or making firmwa...
Page 54 - DTE; DTE
COMSPHERE 3800 Series Modems 7-4 November 1996 3810-A2-GB30-20 DTE DTE displays the state and/or activity of the EIA-232-D interface leads: LSD, DTR, DSR, Tst, TXD,RXD, RTS, and CTS signals are monitored. The interfaceleads status is updated every 5 seconds. To access DTE from the Status branch, mak...
Page 55 - Record
Status Branch 7-5 3810-A2-GB30-20 November 1996 Options The Options Status function displays all optional firmware features currently installed in the modem (forexample, V.29, V.33, and dial network management). If nofirmware options are installed, None_Installed appears onthe LCD. To access Options...
Page 56 - Test Branch; The Test branch of the Top-Level menu allows you to
8-1 3810-A2-GB30-20 November 1996 Test Branch Overview 8-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Test Branch 8-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 57 - Self; Test :
COMSPHERE 3800 Series Modems 8-2 November 1996 3810-A2-GB30-20 Test Branch To access the Test branch from the Top-Level menu, make the following selections: F1 Idle : 19.2Status Test F2 F3 Press the key until Test appears. Select Test. Abort Abort ends any test that is in progress and brings the mod...
Page 58 - Loc Analog Loop
Test Branch 8-3 3810-A2-GB30-20 November 1996 Loc Analog Loop Loc Analog Loop performs a local analog loopback (CCITT V.54 Loop 3), Figure 8-1, that verifies modemoperation as well as the connection between the DTE andmodem. The modem must be offline to perform this test,otherwise Invalid Command ap...
Page 59 - Rem Digital Loop
COMSPHERE 3800 Series Modems 8-4 November 1996 3810-A2-GB30-20 Rem Digital Loop Rem Digital Loop performs a remote digital loopback (CCITT V.54 Loop 2), Figure 8-2. This test can verify theintegrity of the local modem, the communications link,and the remote modem. Any data or pattern entered at thel...
Page 60 - Loc Digital Loop
Test Branch 8-5 3810-A2-GB30-20 November 1996 Loc Digital Loop Loc Digital Loop is issued by a local modem and forces it to loopback any data received from the remotemodem (Figure 8-3). (This test operates the same as aCCITT V.54 Loop 2 except it is issued at your modem.)This is useful if a remote m...
Page 61 - Pattern; Pattern can transmit and receive a 511 bit error rate test; Figure 8-4. Pattern Test and Local Analog Loopback Test
COMSPHERE 3800 Series Modems 8-6 November 1996 3810-A2-GB30-20 Pattern Pattern can transmit and receive a 511 bit error rate test pattern. It can also be used with a local analog loopbackor a remote digital loopback to simulate data passing through the modem. For this test to operate properly, themo...
Page 62 - BlksErrd=xxxxxxx displays the number of blocks of
Test Branch 8-7 3810-A2-GB30-20 November 1996 Figure 8-6. End-to-End Pattern Test To access Pattern from the Test branch, make the following selections: F1 Test : > Pattern F2 F3 Press the key until Pattern appears. Select Pattern to start this test. F1 Test : Pattern >Blks Errd = xxxxxxx F2 F...
Page 63 - Configure Branch; After installing a 3800 Series modem, its software
9-1 3810-A2-GB30-20 November 1996 Configure Branch Overview 9-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Configure Branch 9-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 64 - Figures 9-1 and 9-2 graphically display the interaction
COMSPHERE 3800 Series Modems 9-2 November 1996 3810-A2-GB30-20 Figures 9-1 and 9-2 graphically display the interaction between the edit area and configuration areas as viewedfrom the perspective of the DCP and the AT command set. CONTENTS OF Active (Saved) ARE AUTOMATICALLY COPIED TO Active (Operati...
Page 65 - Figure 9-2. AT Command Configuration Process
Configure Branch 9-3 3810-A2-GB30-20 November 1996 Active (Saved) (ATZ0, ATZ3) LOAD Active (Operating) USING ATZ OR AT&F COMMAND Active (Operating)CHANGES MADE USING ANY AT COMMAND IMMEDIATELY AFFECT MODEM OPERATION USE AT&W COMMAND TO SAVE CHANGES TO Active (Saved), Customer 1, OR Customer ...
Page 66 - The Configure branch of the Top-Level menu contains
COMSPHERE 3800 Series Modems 9-4 November 1996 3810-A2-GB30-20 Configure Branch The Configure branch of the Top-Level menu contains all of the modem’s configuration options (straps) whichdetermine how the modem operates. These configurationoptions are accessed by scrolling down and across variouslev...
Page 67 - Editing and Saving a Configuration Option; LdEdit Areafrm
Configure Branch 9-5 3810-A2-GB30-20 November 1996 The Configure branch consists of the following three levels: • Ld EditArea frm. Allows the selection of theActive (Operating), Active (Saved), Customer 1,Customer 2, and Factory configuration areas. • Choose Function. Allows you to make changes(Edit...
Page 68 - ąĄ; Summary
COMSPHERE 3800 Series Modems 9-6 November 1996 3810-A2-GB30-20 Select Nxt until RemAccssPasswrd appears. F1 RemAccssPasswrdNxt ąĄ ° 00000000 F2 F3 Select the F2 ( ° ) key to increment password values. F1 RemAccssPasswrdNxt ąĄ ° 00000000 F2 F3 Press the key to move the cursor to the next position. F1...
Page 69 - Configuration Tables; The modem’s configuration options are arranged; DTE Interface; The DTE Interface configuration options contain
Configure Branch 9-7 3810-A2-GB30-20 November 1996 Configuration Tables The modem’s configuration options are arranged into eight groups based upon functionality: DTE Interface (Table 9-1), DTE Dialer (Table 9-2), Line Dialer (Table 9-3), Dial Line (Table 9-4), Leased Line (Table 9-5), V.42/MNP/ Buf...
Page 70 - DTE Interface Configuration Options; – Sets data length to 8 data bits. This is the default for Async mode.
COMSPHERE 3800 Series Modems 9-8 November 1996 3810-A2-GB30-20 Table 9-1 (1 of 7) DTE Interface Configuration Options Async/Sync Mode: AsyncNxt Async Sync Asynchronous/Synchronous Mode. Determines whether the modem operates in Asynchronous mode or Synchronousmode. If the AT command set is enabled an...
Page 72 - WinkWhenDisc
COMSPHERE 3800 Series Modems 9-10 November 1996 3810-A2-GB30-20 Table 9-1 (3 of 7) DTE Interface Configuration Options DTR Action: IgnoreNxt Stndrd_RS232 Ignore CntrlsOnHook Off=ReloadStrp Off=CmdMode CntrlsTXMute Data Terminal Ready Action. DTR is a signal from the DTE to the modem indicating that ...
Page 73 - Ignore
Configure Branch 9-11 3810-A2-GB30-20 November 1996 Table 9-1 (4 of 7) DTE Interface Configuration Options DSR Control (cont’d) Delay to Data – Operation is similar to the Standard RS232 setting except that DSR does not turn ON until the modementers Data mode. Normally, the modem raises DSR when it ...
Page 75 - Forced On – Forces LSD to be ON at all times.; Internal
Configure Branch 9-13 3810-A2-GB30-20 November 1996 Table 9-1 (6 of 7) DTE Interface Configuration Options LSD Control: Stndrd_RS232Nxt Stndrd_RS232 Forced_On WinkWhenDisc Follows_DTR Sim_Cntrl_Car =DTR/DiscOff BridgeRetrain Line Signal Detect Control. LSD is a signal indicating that the carrier sig...
Page 76 - Disable; Enable – The DTE rate is identical with the VF rate.
COMSPHERE 3800 Series Modems 9-14 November 1996 3810-A2-GB30-20 Table 9-1 (7 of 7) DTE Interface Configuration Options CT111_Rate Cntl: DisableNxt Disable Fallback1 Fallback2 CT111 Rate Control. Allows the DTE to control modem rate via Pin 23 of the EIA-232-D interface. This option determinesthe eff...
Page 77 - DTE Dialer; The DTE Dialer configuration options establish the; DTE Dialer Configuration Options; AT
Configure Branch 9-15 3810-A2-GB30-20 November 1996 DTE Dialer The DTE Dialer configuration options establish the DTE-to-modem protocol for call establishment andcontrol. Table 9-2 shows each DTE Dialer configuration option as it appears on the LCD, with the Async Dial factorydefault setting (the de...
Page 81 - CR LF
Configure Branch 9-19 3810-A2-GB30-20 November 1996 Table 9-2 (5 of 5) DTE Dialer Configuration Options V.25b NewLineChr: CR+LFNxt CR+LF CR LF V.25bis New Line Character. Sets the modem for the command line terminator used by the DTE in V.25bis Async mode.The modem responds to the DTE using the same...
Page 82 - Line Dialer; The Line Dialer configuration options establish; Line Dialer Configuration Options; Tone; Enable
COMSPHERE 3800 Series Modems 9-20 November 1996 3810-A2-GB30-20 Line Dialer The Line Dialer configuration options establish parameters used by the modem to answer or originatecalls. Table 9-3 shows each Line Dialer configuration option as it appears on the LCD, with the Async Dial factorydefault set...
Page 88 - Dial Line; The Dial Line configuration options are used to; Dial Line Configuration Options
COMSPHERE 3800 Series Modems 9-26 November 1996 3810-A2-GB30-20 Dial Line The Dial Line configuration options are used to configure the modem for operation over dial lines. Table 9-4 shows each Dial Line configuration option as it appears on the LCD, with the Async Dial factory defaultsetting (the d...
Page 90 - Long
COMSPHERE 3800 Series Modems 9-28 November 1996 3810-A2-GB30-20 Table 9-4 (3 of 3) Dial Line Configuration Options V32bis Train: LongNxt Long Short V.32bis Train. Controls V.32bis and V.32 train. Determines whether minimum or maximum time durations are used duringthe V.32bis/V.32 handshaking sequenc...
Page 91 - Leased Line; The Leased Line configuration options are used to; Leased Line Configuration Options
Configure Branch 9-29 3810-A2-GB30-20 November 1996 Leased Line The Leased Line configuration options are used to configure the modem for operation over leased lines. The Leased Line configuration group only appears if the modem is configured with the Sync Leased factorypreset template, or when the ...
Page 94 - Disable – The modem will not perform a Rate Auto Originate.
COMSPHERE 3800 Series Modems 9-32 November 1996 3810-A2-GB30-20 Table 9-5 (4 of 5) Leased Line Configuration Options Rate Auto Orig: DisableNxt Disable OnFlBkTo48 OnFlBkTo72 OnFlBkTo96 OnFlBkTo120 OnFlBkTo144 OnFlBkTo168 Rate Auto Originate. Initiates a dial backup call, using the phone number in di...
Page 96 - Some choices within this group may not appear; ModeDirectMode
COMSPHERE 3800 Series Modems 9-34 November 1996 3810-A2-GB30-20 V.42/MNP/Buffer V.42/MNP/Buffer configuration options determine the type of error correction and flow control used by themodems and attached DTEs. Some choices within this group may not appear depending upon how previous configuration o...
Page 98 - ASCI
COMSPHERE 3800 Series Modems 9-36 November 1996 3810-A2-GB30-20 Table 9-6 (3 of 6) V.42/MNP/Buffer Configuration Options *EC Negotiat Bfr: DisableNxt Disable Enable Disab&Switch Error Control Negotiate Buffer. Determines if the answering modem buffers the data that it received from the remotemod...
Page 101 - Disable – The modem uses standard techniques for V.42 operation.
Configure Branch 9-39 3810-A2-GB30-20 November 1996 Table 9-6 (6 of 6) V.42/MNP/Buffer Configuration Options *RxBuffDiscDelay: DisableNxt 0sec 60sec Disable Receive Buffer Disconnect Delay. Determines the maximum amount of time the modem can continue to send data in itsReceive Buffer to the DTE afte...
Page 102 - Tests; The Tests configuration options determine specifics,; Test Configuration Options
COMSPHERE 3800 Series Modems 9-40 November 1996 3810-A2-GB30-20 Tests The Tests configuration options determine specifics, such as the duration of a test, for the various diagnostictests available to the modem. Table 9-7 shows each Tests configuration option as it appears on the LCD, with the Async ...
Page 103 - Peripheral
Configure Branch 9-41 3810-A2-GB30-20 November 1996 Table 9-7 (2 of 2) Test Configuration Options V54 Address: DisableNxt Disable (Address Values) V.54 Address. Determines which remote 3800 Series modem is placed into a remote loopback test. This can be either aremote digital loopback or local analo...
Page 104 - Misc; The Miscellaneous configuration options determine; Miscellaneous Configuration Options; Reload RelodNoATChg; UntilCarr
COMSPHERE 3800 Series Modems 9-42 November 1996 3810-A2-GB30-20 Misc The Miscellaneous configuration options determine specifics for various functions, including networkmanagement parameters and remote modem access. Table 9-8 shows each Misc (Miscellaneous) configuration option as it appears on the ...
Page 107 - Tributary
Configure Branch 9-45 3810-A2-GB30-20 November 1996 Table 9-8 (4 of 4) Miscellaneous Configuration Options *NetworkPosition: TributaryNxt Tributary Control Network Position Identification. Each modem must be identified either as a control modem or a tributary modem. NOTE: This configuration option i...
Page 108 - The Security Configuration Options group allows you; Security Configuration Options
COMSPHERE 3800 Series Modems 9-46 November 1996 3810-A2-GB30-20 Security ConfigurationOptions The Security Configuration Options group allows you to view and set dial access security parameters. Thisgroup appears only if the dial access security feature hasbeen installed. Table 9-9 shows each Securi...
Page 110 - The Control branch of the Top-Level menu allows you; Control Branch; To access Control from the Top-Level menu, make the
10-1 3810-A2-GB30-20 November 1996 Control Branch Overview 10-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control Branch 10-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 111 - Reset; Control :
COMSPHERE 3800 Series Modems 10-2 November 1996 3810-A2-GB30-20 Speaker Speaker allows you to make temporary adjustments to the modem’s speaker volume. Upon a reset, speakervolume returns to its configured setting. For moreinformation on speaker settings, refer to the Misc sectionin Chapter 9. To ac...
Page 112 - Make Busy/Remove Make Busy; Service Line/Disconnect Service Line
Control Branch 10-3 3810-A2-GB30-20 November 1996 Make Busy/Remove Make Busy The Make Busy function forces the modem off-hook so it cannot answer a call. This is often used with PBXsystems to permit the busy out of a PBX port for rotary orhunt groups. WARNING To not violate FCC and DOCregulations, t...
Page 113 - DownLoad Code; Clone To Remote; Download Code
COMSPHERE 3800 Series Modems 10-4 November 1996 3810-A2-GB30-20 AT Command Equivalent There is no AT Command Equivalent for Service Line. DownLoad Code The Download Code function sets parameters within the modem when transferring firmware to a remotemodem or when receiving firmware upgrades from alo...
Page 114 - No Response
Control Branch 10-5 3810-A2-GB30-20 November 1996 At this point, if you do not want to continue this process, abort the transfer by selecting any function key.This returns the modem to the Top-Level menu. However, to continue with the transfer, press the key to display the Reprogram_Remote selection...
Page 115 - To Local via DTE; Download Failure
COMSPHERE 3800 Series Modems 10-6 November 1996 3810-A2-GB30-20 As data banks are transferred, the local and remote LCD’s bottom line displays the status of the downloadprocess, and the number of records sent versus the totalnumber of records for that bank. F1 RemClone OKCall_Setup F2 F3 If the down...
Page 116 - Remote Branch; The Remote branch of the Top-Level menu allows you
11-1 3810-A2-GB30-20 November 1996 Remote Branch Overview 11-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Remote Branch 11-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 117 - Control Remote; Select Channel
COMSPHERE 3800 Series Modems 11-2 November 1996 3810-A2-GB30-20 Remote Branch The following conditions must be met before using the Remote branch: • A connection using either the dial network or leasedlines must be established. • The Access from Remote configuration option mustbe enabled in the remo...
Page 118 - If the remote modem accepts the password and the
Remote Branch 11-3 3810-A2-GB30-20 November 1996 F1 Online : 19.2Control ExitRem F2 F3 If the remote modem accepts the password and the entry is successful, the Top-Level menu of the remotemodem (Figure 11-1) appears on the local modem’s LCD.An appears in the upper right-hand corner indicatingthat w...
Page 119 - Dial Access Security is an optional feature that allows
12-1 3810-A2-GB30-20 November 1996 Security Overview 12-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Originate Access Security 12-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 120 - Originate Access Security; ATD is the AT dial command string.; Answer Access Security; ATD is the AT dial command.
COMSPHERE 3800 Series Modems 12-2 November 1996 3810-A2-GB30-20 Originate Access Security Originate Access lets you control who can originate a call from a local modem via the AT command set. This isuseful in LAN and modem pooling applications. WithOriginate Access security, a local user’s password ...
Page 122 - Security Branch; The Security branch of the Top-Level menu allows you
COMSPHERE 3800 Series Modems 12-4 November 1996 3810-A2-GB30-20 Security Branch The Security branch of the Top-Level menu allows you to change and save parameters that are critical to the dialaccess security password database. This database is acollection of passwords and their associated parameters...
Page 123 - Set Access Ctrl; Administrative Password
Security 12-5 3810-A2-GB30-20 November 1996 Set Access Ctrl Set Access Control allows you to change security configuration. This function is protected by anAdministrative Password. The Reset Security functionallows you to reset the Administrative Password, butresults in erasure of the modem’s securi...
Page 124 - EditPasswdTable; Set Access Ctrl
COMSPHERE 3800 Series Modems 12-6 November 1996 3810-A2-GB30-20 EditPasswdTable The Password Table is the modem’s security database. It contains all essential information for each passwordstored in the modem’s nonvolatile memory. Theinformation associated with each password is known as arecord. Reco...
Page 125 - Edit Password Table Group Options
Security 12-7 3810-A2-GB30-20 November 1996 Table 12-1 Edit Password Table Group Options PsWdType xxxxNxt Cleared DTE_Entry VF_Entry VF_plus_DTE Password Type. Indicates whether this index location is configured for VF-side password, DTE-side password, or both.Cleared displays for an index location ...
Page 126 - Set Answer Sec; Set Answer Security determines if dial access security; Set Answer Security Group Options
COMSPHERE 3800 Series Modems 12-8 November 1996 3810-A2-GB30-20 Set Answer Sec Set Answer Security determines if dial access security is enabled or disabled. This method of inbound security isconfigured in the answering modem. Although this alsoappears under the Security Configuration Option group i...
Page 127 - Set Orig Sec; Set Originate Security controls whether or not the; Set Originate Security Group Options; EnaOrigSec
Security 12-9 3810-A2-GB30-20 November 1996 Set Orig Sec Set Originate Security controls whether or not the modem can originate a call using AT commands when thedial access security feature is installed. This method ofoutbound security only applies to modems originating acall. To access Set_Orig_Sec...
Page 128 - Set Admin PsWd; Reset Security
COMSPHERE 3800 Series Modems 12-10 November 1996 3810-A2-GB30-20 Set Admin PsWd Set Administrative Password is used to change the Administrative Password value. The AdministrativePassword is an 8-digit decimal number that allowsauthorized users to enter the Access Security Controlfunction. NOTE If t...
Page 130 - Originate Access Password; Database Table Examples; The Assigned to
COMSPHERE 3800 Series Modems 12-12 November 1996 3810-A2-GB30-20 A DTE-side password is entered after the modems have trained, but before a normal connection isestablished. The following example illustrates how toenter a DTE-side password: TYPE: abc123 PRESS: Enter Where: abc123 is a 10-alphanumeric...
Page 131 - Table 12-5 is an example of a database table with
Security 12-13 3810-A2-GB30-20 November 1996 Table 12-5 is an example of a database table with passwords configured for DTE Entry only. This type ofpassword is entered via the originating user’s DTE. Table 12-6 is an example of a security database table that uses a mixture of VF and DTE passwords. T...
Page 132 - Table 12-7 is an example of a security database table; VF and DTE Passwords
COMSPHERE 3800 Series Modems 12-14 November 1996 3810-A2-GB30-20 Table 12-7 is an example of a security database table that uses paired VF and DTE passwords for use inVF_w/_DTE answer security mode. Table 12-7 Security Database Table Using Paired VF-Side and DTE-Side Passwords VF and DTE Passwords I...
Page 133 - Fax Operation
13-1 3810-A2-GB30-20 November 1996 Fax Operation Overview 13-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fax Operation 13-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 134 - There are no Diagnostic Control Panel (DCP) functions
COMSPHERE 3800 Series Modems 13-2 November 1996 3810-A2-GB30-20 There are no Diagnostic Control Panel (DCP) functions unique to fax operation. If your fax software requires thatyou change the configuration of your modem, see theappropriate sections of Chapter 9, Configure Branch. The DCP is disabled...
Page 135 - AT Command Set and S-Registers; Escape Sequence and Escape Guard Time
14-1 3810-A2-GB30-20 November 1996 AT Command Set and S-Registers Overview 14-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Modes 14-1 . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 136 - Command Guidelines
COMSPHERE 3800 Series Modems 14-2 November 1996 3810-A2-GB30-20 Use the O command to return to Data mode from online Command mode. Enter the following command: TYPE: ATO PRESS: Enter Command Guidelines Review the following guidelines before using any AT Commands. • The escape sequence (+++) is used ...
Page 137 - AT Command Format; AT commands are entered in Command mode using the
AT Command Set and S-Registers 14-3 3810-A2-GB30-20 November 1996 AT Command Format AT commands are entered in Command mode using the following format: TYPE: ATXn Where: X is the AT command and n is thespecific value for that command. PRESS: Enter In Table 14-1, the value for X is listed in the AT C...
Page 138 - W or + – Wait for dial tone. Modem waits for a second dial tone before
COMSPHERE 3800 Series Modems 14-4 November 1996 3810-A2-GB30-20 Table 14-1 (2 of 12) 3800 Series AT Commands AT Command Front Panel Branch Description D n (cont’d) W or + – Wait for dial tone. Modem waits for a second dial tone before processing the dial string. This can be the initial dial tone or ...
Page 139 - Identification
AT Command Set and S-Registers 14-5 3810-A2-GB30-20 November 1996 Table 14-1 (3 of 12) 3800 Series AT Commands AT Command Front Panel Branch Description I n Identification I 0 Displays product code; default is 144. I 1 Displays 3-digit firmware revision number. I 2 Performs an EPROM check. I 3 Displ...
Page 140 - Enable. Sets the modem for dial tone detect.
COMSPHERE 3800 Series Modems 14-6 November 1996 3810-A2-GB30-20 Table 14-1 (4 of 12) 3800 Series AT Commands AT Command Front Panel Branch Description V n Result Code FormatV0 Displays result codes in Number (1) format digits. V1 Displays result codes as text. V2 Displays result codes in Number (2) ...
Page 143 - Dial Transmit Level; Dial Transmit Level Type
AT Command Set and S-Registers 14-9 3810-A2-GB30-20 November 1996 Table 14-1 (7 of 12) 3800 Series AT Commands AT Command Front Panel Branch Description & I Dial Transmit Level When Dial Transmit Level Type is set to Permissive, & In sets Dial Transmit Level to a value between –10 and –32 dB...
Page 144 - Async/Sync Mode and DTE Dialer Type
COMSPHERE 3800 Series Modems 14-10 November 1996 3810-A2-GB30-20 Table 14-1 (8 of 12) 3800 Series AT Commands AT Command Front Panel Branch Description &M n and &Q n Async/Sync Mode and DTE Dialer Type &M0, &Q0 Modem operates in Asynchronous mode and uses AT Command protocol. &M1...
Page 147 - Flow Control of DTE, Flow Control of Modem; XON/XOFF Passthrough Flow Control; Modulation and Data Rate
AT Command Set and S-Registers 14-13 3810-A2-GB30-20 November 1996 Table 14-1 (11 of 12) 3800 Series AT Commands AT Command Front Panel Branch Description \Q n Flow Control of DTE, Flow Control of Modem Flow Flow Control Control of of DTE Modem \Q0 Disable Disable \Q1 XON/XOFF XON/XOFF \Q2 CTS to DT...
Page 148 - MNP5 Data Compression
COMSPHERE 3800 Series Modems 14-14 November 1996 3810-A2-GB30-20 Table 14-1 (12 of 12) 3800 Series AT Commands AT Command Front Panel Branch Description %B n (cont’d) Modulation and Data Rate can also be set using S-register S41. The following table shows the equivalent values of S41 for each %B n v...
Page 149 - n is the register number
AT Command Set and S-Registers 14-15 3810-A2-GB30-20 November 1996 S-Register List S-registers affect the operating parameters of the 3800 Series modems. S-registers are only applicable whenthe DTE Dialer Type configuration option is set for AT.(See &Mn command.) Table 14-2 lists all S-registers...
Page 150 - Description; NOTE: The &W command used to save this change must be on a
COMSPHERE 3800 Series Modems 14-16 November 1996 3810-A2-GB30-20 Table 14-2 (1 of 11) 3800 Series S-Registers S-Register Description Front Panel Branch S0 Auto-Answer Ring Number Register determines number of rings the modem will count beforeautomatically answering a call. Enter zero (0) if you do n...
Page 151 - Front Panel Branch
AT Command Set and S-Registers 14-17 3810-A2-GB30-20 November 1996 Table 14-2 (2 of 11) 3800 Series S-Registers S-Register Front Panel Branch Description S8 ‘‘,” Pause Time for the Dial ModifierRegister determines how long (in seconds) the modem pauses when itencounters a comma (,) in the Dial comma...
Page 152 - NOTE: The modem must be in Originate mode to perform an automatic
COMSPHERE 3800 Series Modems 14-18 November 1996 3810-A2-GB30-20 Table 14-2 (3 of 11) 3800 Series S-Registers S-Register Front Panel Branch Description S35 Auto Redial (Leased Line)Auto Redial allows repeated automatic dial backup attempts byspecifying the range of Directory Locations that can be tr...
Page 161 - Menu Tree; The following pages provide graphic representations of
A-1 3810-A2-GB30-20 November 1996 Menu Tree Overview A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview The following pages provide graphic representations of the general menu structure of t...
Page 165 - Result Codes
B-1 3810-A2-GB30-20 November 1996 Result Codes Table B-1 (1 of 2) Result Codes Numbers (1) Numbers (2) Word Description 0 0 OK Command executed 1 1 CONNECT Modem connected to line 2 2 RING Modem receiving a ring voltage from the VF line 3 3 NO CARRIER Modem lost or does not detect carrier signal, or...
Page 167 - Troubleshooting; This appendix points out basic problems that can occur; Modem Health
C-1 3810-A2-GB30-20 November 1996 Troubleshooting Overview C-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview This appendix points out basic problems that can occur when operating a 3800 Ser...
Page 169 - Modem – VF Connection
Troubleshooting C-3 3810-A2-GB30-20 November 1996 Table C-3 (2 of 2) Modem – VF Connection Symptom Action Originate Mode Verify that the modem’s DTE Dialer configuration option is set to the correct setting: either AT,DTR Dialing, V.25bis Async, V.25bis Bisync, or V.25bis HDLC. Modem does not gooff-...
Page 171 - Technical Specifications; Table D-1 shows the technical specifications for the; Technical Specifications for 3800 Series Modems; UL; DOC
D-1 3810-A2-GB30-20 November 1996 Technical Specifications Technical Specifications D-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Specifications Table D-1 shows the technical specifications for the 3800 Serie...
Page 172 - COMPATIBILITY
COMSPHERE 3800 Series Modems D-2 November 1996 3810-A2-GB30-20 Table D-1 (2 of 4) Technical Specifications for 3800 Series Modems Specifications Description COMPATIBILITY DIAL-LINE MODULATIONS V.32 terbo (19,200, 16,800 bps) CCITT V.32bis (14,400, 12,000, 9600, 7200, 4800 bps) CCITT V.32 9600, 4800 ...
Page 173 - DIMENSIONS
Technical Specifications D-3 3810-A2-GB30-20 November 1996 Table D-1 (3 of 4) Technical Specifications for 3800 Series Modems Specifications Description DIMENSIONS Weight 2.5 pounds (1.14 kg) Model 3810 and Model 3820 (not including power transformer)1.0 pounds (0.45 kg) Model 3811 Height 2.1 inches...
Page 174 - LEASED-LINE CONNECTIVITY; VOICE FREQUENCY LINE REQUIREMENTS; ERROR CONTROL
COMSPHERE 3800 Series Modems D-4 November 1996 3810-A2-GB30-20 Table D-1 (4 of 4) Technical Specifications for 3800 Series Modems Specifications Description LEASED-LINE CONNECTIVITY Model 3810 Model 3820 Model 3811 JM8 6-pin center pair leased jack (Requires 125-0054-1531 for JM8 connection) 50-pin ...
Page 175 - Pin Assignments
E-1 3810-A2-GB30-20 November 1996 Pin Assignments Overview E-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EIA-232-D Pin Assignment E-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 177 - Pin
Pin Assignments E-3 3810-A2-GB30-20 November 1996 EIA RS-366-A PinAssignments Table E-2 lists the EIA-366-A pin assignments for the modem. Table E-2 EIA RS-366-A Pin Assignments RS-366-A Pin Name CCITT Signal Source Definition 2 DPR 211 DTE Digit Present 3 ACR 205 ACE Abandon Call and Retry 4 CRQ 20...
Page 178 - Tables E-3 and E-4 list the connector pin assignments
COMSPHERE 3800 Series Modems E-4 November 1996 3810-A2-GB30-20 VF Connector PinAssignments Tables E-3 and E-4 list the connector pin assignments for Model 3810 and Model 3820 modular jacks and thepin assignments for the TELCO jacks. For 2-wireleased-line connections to a JM8 network interface, an8-p...
Page 180 - CCITT V.25bis is an international dialing protocol that
F-1 3810-A2-GB30-20 November 1996 CCITT V.25bis Dialing Commands and Response Overview F-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Call Request Commands F-2 . . . . . . . . . . . . . . . . . ....
Page 181 - Call Request Commands; x is directory location 1–10.; Call Response; xx is
COMSPHERE 3800 Series Modems F-2 November 1996 3810-A2-GB30-20 Call Request Commands Call Request commands are issued from the DTE to the modem and are responsible for initiating any dialcalls. Call Request commands include Call Request withNumber Provided (CRN) and Call Request with StoredMemory Ad...
Page 182 - Call Answer Commands; x is a directory location.
CCITT V.25bis Dialing Commands and Response F-3 3810-A2-GB30-20 November 1996 Call Answer Commands Call Answer commands disable or enable the modem’s AutoAnswer function. These commands are issued fromthe DTE. Call Answer commands include Incoming Call(INC), Disregard Incoming Call (DIC) and Connect...
Page 183 - Command Response; CU; CALL REQUEST COMMANDS
COMSPHERE 3800 Series Modems F-4 November 1996 3810-A2-GB30-20 Command Response A Command Response indicates that the command entered was a valid or invalid entry. Command Responseincludes Valid (VAL) and Invalid (INV). Valid (VAL) The VAL response indicates that the modem has accepted the V.25bis c...
Page 184 - Table F-2 lists V.25bis response messages supported by; V.25bis Response Messages; CALL RESPONSE
CCITT V.25bis Dialing Commands and Response F-5 3810-A2-GB30-20 November 1996 Table F-2 lists V.25bis response messages supported by the 3800 Series modems. Table F-2 V.25bis Response Messages V.25bis Command Description AT Command/ Result Code Equivalent CALL RESPONSE CFI Call Failure Indication BU...
Page 185 - Default Configuration Options; Table G-1 in this appendix lists all default
G-1 3810-A2-GB30-20 November 1996 Default Configuration Options Overview G-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview Table G-1 in this appendix lists all default configuration options...
Page 186 - DTE DIALER
COMSPHERE 3800 Series Modems G-2 November 1996 3810-A2-GB30-20 Table G-1 (2 of 4) Factory Default Configuration Options Configuration Option Sync Leased Answer/Originate Mode Default Settings Sync Dial Default Settings Async Dial and UNIX Dial Default Settings DTE DIALER DTE Dialer Type AT Escape Ch...
Page 187 - DIAL LINE
Default Configuration Options G-3 3810-A2-GB30-20 November 1996 Table G-1 (3 of 4) Factory Default Configuration Options Configuration Option Sync Leased Answer/Originate Mode Default Settings Sync Dial Default Settings Async Dial and UNIX Dial Default Settings DIAL LINE Dial Line Rate V.32bis Autom...
Page 188 - TESTS
COMSPHERE 3800 Series Modems G-4 November 1996 3810-A2-GB30-20 Table G-1 (4 of 4) Factory Default Configuration Options Configuration Option Sync Leased Answer/Originate Mode Default Settings Sync Dial Default Settings Async Dial and UNIX Dial Default Settings TESTS DTE RL (CT140) DTE LL (CT141) Tes...
Page 189 - Equipment List; Equipment
H-1 3810-A2-GB30-20 November 1996 Equipment List Equipment Feature/Part Number Model 3810 (115V) 3810-A1-001 Model 3810 (220–240V) 3810-A1-301 Model 3811 3811-B1-001 Model 3820 (115V) 3820-A1-001 Model 3820 (220–240V) 3820-A1-301 Fax Option 3800-C1-008 6-position, 4-wire modular cord, 7-foot length ...
Page 190 - Glossary; See local analog loop.
Glossary-1 3810-A2-GB30-20 November 1996 Glossary Active (Operating) A configuration area containing configuration options currently in use by the modem.When a power cycle occurs, a reset is performed, or a save is issued using the DCP, thisarea is updated with the contents of Active (Saved). Active...
Page 192 - CCITT standard for error control protocol.
Glossary Glossary-3 3810-A2-GB30-20 November 1996 CCITT V.17 A fax communications standard for modems operating half-duplex with synchronousdata at 14,400 bps. CCITT V.22 A standard for modems operating full-duplex with asynchronous or synchronous data at1200 bps over the dial network (PSTN). CCITT ...
Page 193 - An outlet on equipment and cables that provides a connection.
COMSPHERE 3800 Series Modems Glossary-4 November 1996 3810-A2-GB30-20 Configure Top-Level menu branch that contains all the modem’s configuration options. connector An outlet on equipment and cables that provides a connection. CSA Canadian Standards Association. CTS Clear-to-Send. A signal indicatin...
Page 194 - Canadian Department of Communication.
Glossary Glossary-5 3810-A2-GB30-20 November 1996 digital signal A signal composed of only two discrete values, representing the binary digits 0 and 1. directory location Nonvolatile memory that stores up to ten telephone numbers. Each directory location canhave up to 40 characters entered. DOC Cana...
Page 195 - A unit of frequency (hertz) that equals one cycle per second.
COMSPHERE 3800 Series Modems Glossary-6 November 1996 3810-A2-GB30-20 Group III A fax standard that specifies a rate of transmission of about one page per minute. half-duplex Two-way data communications allowed in only one direction at a time. handshaking The exchange of predetermined codes and sign...
Page 196 - A communications circuit.
Glossary Glossary-7 3810-A2-GB30-20 November 1996 modem (Modulator/DEModulator). A device that transforms signals from digital to analog formand vice versa. modulation The process of varying some characteristics (usually amplitude, frequency, and/or phase)of a carrier wave to form data transmissions...
Page 198 - Universal Service Ordering Codes.
Glossary Glossary-9 3810-A2-GB30-20 November 1996 synchronous transmission Data transmission that is synchronized by timing signals. Characters are sent at a fixedrate. This type of transmission is more efficient than asynchronous transmission. tone dialing One of two dialing methods, in which telep...
Page 199 - Index
Index-1 3810-A2-GB30-20 November 1996 Index A A/ (Repeat Last Command), 14-3Abort (Test branch), 8-2ac power connection, 2-7requirements, D-2 Access from Remote, 9-43Access From Remote (S55), 14-22Active (Operating) configuration area, 9-1Active (Saved) configuration area, 9-1Administrative Password...