Paradyne 3830 - Manuals

COMSPHERE 3800 Series Modems – Model 3830 E August 1998 3830-A2-GB91-30 Notices ! ! ! ! ! ! ! !!

Safety Instructions F 3830-A2-GB91-30 August 1998 Government Requirements and Equipment Return Certain governments require that instructions pertaining to modemconnection to the public switched telephone network be included in theinstallation and operation manual. Specific instructions are listed in...

Safety Instructions H 3830-A2-GB91-30 August 1998 Canada Notice To The Users Of The Canadian Public Switched Telephone Network The Canadian Department of Communications label identifies certifiedequipment. This certification means that the equipment meets certaintelecommunications network protective...

i 3830-A2-GB91-30 August 1998 Table of Contents Preface Objectives and Reader Assumptions v . . . . . . . . . . . . . . . . . . How to Use This Manual v . . . . . . . . . . . . . . . . . . . . . . . . . . . Related Documents vi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. Intro...

COMSPHERE 3800 Series Modems – Model 3830 ii August 1998 3830-A2-GB91-30 4. AT Command Set and S-Registers Overview 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Modes 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Command Guidel...

Table of Contents iii 3830-A2-GB91-30 August 1998 List of Figures Figures Page 1-1 Model 3830 Front Panel 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Model 3830 Rear Panel 2-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1 Wiring Diagram – 8-Position to 6...

COMSPHERE 3800 Series Modems – Model 3830 iv August 1998 3830-A2-GB91-30 List of Tables Tables Page 1-1 Model 3830 LEDs 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Result Codes 4-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 M...

v 3830-A2-GB91-30 August 1998 Preface Objectives and Reader Assumptions This manual describes how to install and operate the Model 3830standalone modem. This manual assumes that you have a basicunderstanding of dial modems and their operation. How to Use this Manual Chapter 1 provides information ab...

COMSPHERE 3800 Series Modems – Model 3830 vi August 1998 3830-A2-GB91-30 Related Documents 3810-A2-GB30 COMSPHERE 3800 Series Modems, Models 3810, 3811, and 3820, User’s Guide 6700-A2-GY31 COMSPHERE 6700 Series Network Management System User’s Guide Contact your local sales representative, service r...

1-1 3830-A2-GB91-30 August 1998 Introduction Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . COMSPHERE Model...

COMSPHERE 3800 Series Modems – Model 3830 1-2 August 1998 3830-A2-GB91-30 Features The 3830 modem has a wide variety of features, including: • Dial-Line Modulations: V.32terbo (19,200 and 16,800 bps),ITU-T V.32bis (14,400, 12,000, 9600, 7200, and 4800 bps), V.32 (9600 and 4800 bps), V.22bis (2400 bp...

1. Introduction 1-3 3830-A2-GB91-30 August 1998 • Compatibility with COMSPHERE 3800 Series modems’Remote Access Mode, which allows users of 3810, 3811, and3820 modems to view the configuration options of a 3830modem from their front panel LCD displays. • Storage of up to 10 telephone numbers to dire...

2-1 3830-A2-GB91-30 August 1998 Model 3830 Modem Installation Overview 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Model 3830 Modem Package 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Customer-Supplied Eq...

COMSPHERE 3800 Series Modems – Model 3830 2-2 August 1998 3830-A2-GB91-30 • Two ferrite chokes and cable ties • Fax software and documentation (if fax option installed) If any hardware components are damaged, notify your servicerepresentative. Return equipment using the procedures described in the G...

2. Model 3830 Modem Installation 2-3 3830-A2-GB91-30 August 1998 • An 8-pin modular keyed jack for external telephone set use only. • An 8-pin modular keyed jack for dial (PSTN) lines or 2-wireleased lines. • A 25-pin DB-25-S receptacle for DTE interface. Figure 2-1. Model 3830 Rear Panel

COMSPHERE 3800 Series Modems – Model 3830 2-4 August 1998 3830-A2-GB91-30 DTE Connection Use the following procedures to connect the EIA-232-D cable andferrite choke from the modem to the DTE: 1. Make sure the modem’s rear panel power switch is Off. 2. Connect the DB-25-P (male) connector on the cab...

2. Model 3830 Modem Installation 2-5 3830-A2-GB91-30 August 1998 2-Wire Leased-Line Connection Use the following procedures to connect a Model 3830 modem to the6-pin, center pair, leased-line network interface. (For 2-wire leased lineconnection to a JM8 network interface, refer to Appendix C, Pin As...

COMSPHERE 3800 Series Modems – Model 3830 2-6 August 1998 3830-A2-GB91-30 To ensure compliance with FCC Part 15 Regulations, a ferrite chokemust be installed on the power transformer cable. 1. Open the ferrite choke, place it around the power transformer cable as close as possible to the connector a...

2. Model 3830 Modem Installation 2-7 3830-A2-GB91-30 August 1998 Selecting Factory Configuration Options After the modem passes the power-up self-test, it can be configured foroperation using one of two factory preset configurations. These factory preset templates contain the most commonly usedconfi...

COMSPHERE 3800 Series Modems – Model 3830 2-8 August 1998 3830-A2-GB91-30 1. Use the AT&F&W command to load the appropriate factory configuration to the appropriate storage area. Enter the following: TYPE: AT&Fy&Wn Where: y is one of the following Factory configurations: 0 for Async ...

2. Model 3830 Modem Installation 2-9 3830-A2-GB91-30 August 1998 To establish a connection with a remote modem, use the D (Dial)command. Refer to Chapter 4, AT Commands and S-Registers , for more information. Recovering AT Commands AT commands are issued from asynchronous terminals and personalcompu...

2. Model 3830 Modem Installation 2-11 3830-A2-GB91-30 August 1998 Initialization Strings An initialization string contains several AT commands that are enteredat once to program the modem for a specific application. The following initialization strings identify essential AT commandsthat directly imp...

COMSPHERE 3800 Series Modems – Model 3830 2-12 August 1998 3830-A2-GB91-30 Synchronous Leased-Line Applications For synchronous leased-line operation, create the followinginitialization string with the following commands: TYPE: AT&F &D1 &S1 S44=n S45=n S82=n &M1 &Ln&W Where: ...

3-1 3830-A2-GB91-30 August 1998 Fax Operation Overview 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fax Operation 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview The procedur...

4-1 3830-A2-GB91-30 August 1998 AT Command Set and S-Registers Overview 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Modes 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Swit...

COMSPHERE 3800 Series Modems – Model 3830 4-2 August 1998 3830-A2-GB91-30 Switching Between Data Mode and Online Command Mode Sometimes it is necessary to change operating parameters while themodems are online. The Escape Sequence allows you to toggle themodem between Data mode and online Command mo...

4. AT Command Set and S-Registers 4-3 3830-A2-GB91-30 August 1998 Command Guidelines Review the following guidelines before using any AT Commands. • The escape sequence (+ + +) is used to enter online Commandmode from Data mode. • The asynchronous character format for the AT command setmust be one o...

COMSPHERE 3800 Series Modems – Model 3830 4-4 August 1998 3830-A2-GB91-30 Result Codes Table 4-1 lists all valid result codes for the Model 3830 modem. Referto the Vn and Xn commands for more on result codes. Table 4-1 (1 of 3) Result Codes Numbers (1) Numbers (2) Word Description 0 0 OK Command exe...

COMSPHERE 3800 Series Modems – Model 3830 4-6 August 1998 3830-A2-GB91-30 Table 4-1 (3 of 3) Result Codes Numbers (1) Description Word Numbers (2) 30 30 CONNECT 57600** Connection at 57,600 bps 32 32 CONNECT 76800** Connection at 76,800 bps 34 34 CONNECT 115200** Connection at 115,200 bps ** Appears...

4. AT Command Set and S-Registers 4-7 3830-A2-GB91-30 August 1998 Table 4-2 (1 of 23) Model 3830 AT Commands ***  AT Command Recovery Mode Allows the modem to remain in Asynchronous data mode so that ATcommands can be used to change the modem’s current configuration.Use this command when AT command...

COMSPHERE 3800 Series Modems – Model 3830 4-8 August 1998 3830-A2-GB91-30 Table 4-2 (2 of 23) Model 3830 AT Commands D n  Dial Begins the dialing sequence. The dial string n (modifiers and telephone number) is entered after the D command. Any digit 0–9, * , # , A, B, C, D, may be dialed as a DTMF t...

4. AT Command Set and S-Registers 4-9 3830-A2-GB91-30 August 1998 Table 4-2 (3 of 23) Model 3830 AT Commands D n, continued R – Reverse Dial mode. Causes the originating modem to send out ananswertone once it no longer detects ringback. (Ringback is the ring youhear at the originating site when maki...

4. AT Command Set and S-Registers 4-11 3830-A2-GB91-30 August 1998 Table 4-2 (5 of 23) Model 3830 AT Commands Q n  Result Codes Result codes are informational messages (such as Connect and Ring)sent from the modem and displayed on the asynchronous DTE terminal.Refer to Table 4-1 for a list of resul...

COMSPHERE 3800 Series Modems – Model 3830 4-12 August 1998 3830-A2-GB91-30 Table 4-2 (6 of 23) Model 3830 AT Commands X n  Extended Result Code, Dial Tone Detect, and Busy Tone Detect The X n command sets three configuration options simultaneously: Ext Dial Tone Busy Tone Result Code Detect Detect ...

COMSPHERE 3800 Series Modems – Model 3830 4-14 August 1998 3830-A2-GB91-30 Table 4-2 (8 of 23) Model 3830 AT Commands &C n  LSD Control Line Signal Detect (LSD) is a signal indicating that the carrier signal isbeing received from the remote modem. It is normally turned Off to theDTE when the po...

4. AT Command Set and S-Registers 4-15 3830-A2-GB91-30 August 1998 Table 4-2 (9 of 23) Model 3830 AT Commands &D n  DTR Action Data Terminal Ready (DTR) is a signal from the DTE to the modemindicating that the DTE is connected and ready for operation. &D0 Ignore. Modem ignores the true stat...

4. AT Command Set and S-Registers 4-17 3830-A2-GB91-30 August 1998 Table 4-2 (11 of 23) Model 3830 AT Commands & I n  Dial Transmit Level for Cellular Auto When Dial Transmit Level Type is set to Permissive, & In sets Dial Transmit Level to a value between –10 and –32 dBm. If EnhancedThroug...

COMSPHERE 3800 Series Modems – Model 3830 4-18 August 1998 3830-A2-GB91-30 Table 4-2 (12 of 23) Model 3830 AT Commands &Mn or &Qn  Async/Sync Mode and DTE Dialer Type Sets the modem for either asynchronous or synchronous operation andselects the type of dialing method the modem uses. &M...

4. AT Command Set and S-Registers 4-19 3830-A2-GB91-30 August 1998 Table 4-2 (13 of 23) Model 3830 AT Commands &R n  RTS Action Request-to-Send (RTS) is a signal from the DTE to the modem indicating the DTE has data to send to the modem. &R0 Standard EIA-232. DTE controls RTS to the modem i...

COMSPHERE 3800 Series Modems – Model 3830 4-20 August 1998 3830-A2-GB91-30 Table 4-2 (14 of 23) Model 3830 AT Commands &S n  DSR Control Data Set Ready (DSR) is a signal from the modem to the DTE indicatingthe modem is connected and ready for operation. &S0 Forced On. Forces DSR output ON c...

4. AT Command Set and S-Registers 4-21 3830-A2-GB91-30 August 1998 Table 4-2 (15 of 23) Model 3830 AT Commands &T n  Tests &T0 Abort. Stops any test in progress. &T1 Local Analog Loop. &T2 Pattern. Transmits and receives a 511 Bit Error Rate Test (BERT). *&T3 Local Digital Loopb...

4. AT Command Set and S-Registers 4-23 3830-A2-GB91-30 August 1998 Table 4-2 (17 of 23) Model 3830 AT Commands &Z n =x  Store Telephone Numbers Modem saves the telephone number and dial command modifiers (if any)entered for x (up to 40 characters in length) in Directory Location n (1–10). The D...

4. AT Command Set and S-Registers 4-25 3830-A2-GB91-30 August 1998 Table 4-2 (19 of 23) Model 3830 AT Commands \K n  Buffer Control, Send Break Control, Break Forces Escape The \K n command sets three configuration options simultaneously: Break Send Break Buffer Break Forces Control Control Escape ...

COMSPHERE 3800 Series Modems – Model 3830 4-26 August 1998 3830-A2-GB91-30 Table 4-2 (20 of 23) Model 3830 AT Commands N n  Error Control Mode Determines the type of error control used by the modem. In most cases,V42/MNPorBfr is the best choice. If V.42bis and MNP are enabled, thenthe modem uses th...

4. AT Command Set and S-Registers 4-27 3830-A2-GB91-30 August 1998 Table 4-2 (21 of 23) Model 3830 AT Commands \Tn  No Data Disconnect Timer Forces the modem to disconnect if no data is transmitted or receivedwithin a specified amount of time. \T0 Disable.\Tn Where n is a value from 1 to 255 in 1-m...

COMSPHERE 3800 Series Modems – Model 3830 4-28 August 1998 3830-A2-GB91-30 Table 4-2 (22 of 23) Model 3830 AT Commands %Bn  Modulation and Data Rate Sets the modulation and maximum VF rate. The %B300 and %B1200 commands work in conjunction with the B(ITU-T/ Bell Mode) command to determine modulatio...

COMSPHERE 3800 Series Modems – Model 3830 4-30 August 1998 3830-A2-GB91-30 S-Register List S-Registers affect the operating parameters of the Model 3830 modem.These registers are applicable only when the DTE Dialer Typeconfiguration option is set for AT. (See &Mn and &Qn commands.) S-Registe...

4. AT Command Set and S-Registers 4-31 3830-A2-GB91-30 August 1998 Table 4-3 (2 of 20) Model 3830 S-Registers S2  AT Escape Character Determines ASCII value used for escape sequence to enter Commandmode from Data mode. Enter a value from 0 to 127 for the escape character. Any value greaterthan 127 ...

4. AT Command Set and S-Registers 4-33 3830-A2-GB91-30 August 1998 Table 4-3 (4 of 20) Model 3830 S-Registers S18  Test Timeout Sets the duration (in seconds) for the modem tests. This automaticallycancels any test in progress after the time of this register expires. Anytest can be manually cancele...

COMSPHERE 3800 Series Modems – Model 3830 4-34 August 1998 3830-A2-GB91-30 Table 4-3 (5 of 20) Model 3830 S-Registers S35  Auto Redial (Leased Line) Auto Redial allows repeated automatic dial backup attempts by specifyingthe range of Directory Locations that can be tried. A redial attempt ismade in...

4. AT Command Set and S-Registers 4-35 3830-A2-GB91-30 August 1998 Table 4-3 (6 of 20) Model 3830 S-Registers S37  Auto Redial Works in conjunction with the Bad Lines Auto Originate and Rate AutoOriginate options. It allows repeated automatic dial backup attempts byspecifying the range of Directory...

COMSPHERE 3800 Series Modems – Model 3830 4-36 August 1998 3830-A2-GB91-30 Table 4-3 (7 of 20) Model 3830 S-Registers S39  Receive Buffer Disconnect Delay Determines the maximum amount of time the modem can continue tosend data in its Receive Buffer to the DTE after the modem iscommanded by the DTE...

4. AT Command Set and S-Registers 4-37 3830-A2-GB91-30 August 1998 Table 4-3 (8 of 20) Model 3830 S-Registers S43  V.32bis Train Register controls the modem’s train time for V.32bis/V.32 mode. Register has the following values: 0 = Long (A long train is required for satellite links which have long ...

COMSPHERE 3800 Series Modems – Model 3830 4-38 August 1998 3830-A2-GB91-30 Table 4-3 (9 of 20) Model 3830 S-Registers S46  Bad Lines Auto Originate Register determines if the modem performs an automatic dial backup ifthe leased lines fail. Register has the following values: 0 = Disable 1 = 30 secon...

4. AT Command Set and S-Registers 4-39 3830-A2-GB91-30 August 1998 Table 4-3 (10 of 20) Model 3830 S-Registers S48  Leased Line Carrier On Level Determines if the modem disconnects if the carrier signal on leased linesfalls below –26 dBm or –43 dBm. Register has the following values:0 = –43 dBm1 = ...

COMSPHERE 3800 Series Modems – Model 3830 4-42 August 1998 3830-A2-GB91-30 Table 4-3 (13 of 20) Model 3830 S-Registers S62  V.25bis Coding Identifies to the modem the type of coding used by the DTE while inV.25bis mode. Register has the following values: 0 = ASCII 1 = EBCDIC Factory setting is ASCI...

4. AT Command Set and S-Registers 4-45 3830-A2-GB91-30 August 1998 Table 4-3 (16 of 20) Model 3830 S-Registers S77  DTR Alarm Reporting Register determines whether an alarm is sent to the 6800 Series NetworkManagement System controller when the DTR signal has been Off formore than 10 seconds. Regis...

COMSPHERE 3800 Series Modems – Model 3830 4-48 August 1998 3830-A2-GB91-30 Table 4-3 (19 of 20) Model 3830 S-Registers S89  V.42 ARQ Window Size Increase Register allows the V.42 Automatic Request for Transmission (ARQ)window size to be set to a value from 6 to 15 frames to accommodatesatellite del...

4. AT Command Set and S-Registers 4-49 3830-A2-GB91-30 August 1998 Table 4-3 (20 of 20) Model 3830 S-Registers S91  Cellular Enhancements Valid only if Enhanced Throughput Cellular (ETC) is installed. Registerdetermines whether parameters are set to improve performance over acellular link. Should b...

A-1 3830-A2-GB91-30 August 1998 Troubleshooting Overview A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview This appendix points out basic problems that can occur when operatinga 3830 modem. Use Tables A-1 through A-5 to check out t...

COMSPHERE 3800 Series Modems – Model 3830 A-2 August 1998 3830-A2-GB91-30 Table A-1 Modem Health Symptom Action Modem did not passpower-up self-test Contact your customer service representative. Power LED doesnot light Make sure the modem’s ON/Off switch is inthe ON position. g Make sure the ac powe...

A. Troubleshooting A-5 3830-A2-GB91-30 August 1998 Table A-3 (2 of 4) Modem – VF Connection Symptom Action Modem goes off-hook,answers, but does notconnect (continued) Verify that originating modem supports yourmodem’s modulation schemes. The 3830modem recognizes V.32 terbo, CCITT V.32bis, V.32, V.2...

COMSPHERE 3800 Series Modems – Model 3830 A-8 August 1998 3830-A2-GB91-30 Table A-5 Leased-Line Operation Symptom Action Modems do not train-upon leased lines Verify that the correct cabling is used for yourapplication. Refer to Chapter 2 for modem installation instructions. Verify that one modem is...

B-1 3830-A2-GB91-30 August 1998 Technical Specifications Technical Specifications B-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Specifications Table B-1 shows the technical specifications for the Model 3830modem. Table B-1 (1 of 4) Model 3830 Technic...

C-1 3830-A2-GB91-30 August 1998 Pin Assignments EIA-232-D Pin Assignments C-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VF Connector Pin Assignments C-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EIA-232-D Pin Assignments Table C-1 lists t...

C. Pin Assignments C-3 3830-A2-GB91-30 August 1998 Table C-1 (3 of 3) EIA-232-D Pin Assignments RS-232 Pin Circuit Function Signal Source CCITT EIA Circuit Name 22 R1 CE 125 DCE Ring Indicator 23 CT111 CH 111 DTE Data RateSelector 24 XTXC DA 113 DTE External Clock 25 TEST TM 142 DCE Test Mode VF Con...

COMSPHERE 3800 Series Modems – Model 3830 C-4 August 1998 3830-A2-GB91-30 The Model 3830 provides the 2-wire leased-line signals on the sameleads used for Tip and Ring when in Dial mode. To connect the modemto a standard JM8 leased-line jack, a conversion cable (125-0054-1531)must be used. Note that...

COMSPHERE 3800 Series Modems – Model 3830 D-2 August 1998 3830-A2-GB91-30 The following section discusses those V.25bis commands supported bythe Model 3830 modem and the responses to those commands. TablesD-1 and D-2 in the Command Response section list the V.25bis command and response and the analo...

D. CCITT V.25 bis Dialing Commands and Response D-3 3830-A2-GB91-30 August 1998 Call Request with Number Provided (CRN) The CRN command dials the telephone number entered from the DTE.CRN is similar to the ATD command. The CRN command format is: CRNn Where: n is the dial string. The following charac...

D. CCITT V.25 bis Dialing Commands and Response D-5 3830-A2-GB91-30 August 1998 Call Answer Commands Call Answer commands disable or enable the modem’s AutoAnswerfunction. These commands are issued from the DTE. Call Answercommands include Incoming Call (INC), Disregard Incoming Call(DIC) and Connec...

COMSPHERE 3800 Series Modems – Model 3830 D-6 August 1998 3830-A2-GB91-30 Program Normal (PRN) The Program Normal (PRN) command allows the DTE to enter andstore a telephone number to a specific directory location. PRN issimilar to the AT&Z command. The PRN command format is: PRNx;n Where: x is t...

D. CCITT V.25 bis Dialing Commands and Response D-7 3830-A2-GB91-30 August 1998 Command Response A Command Response indicates that the command entered was a validor invalid entry. Command Response includes Valid (VAL) and Invalid(INV). Valid (VAL) The VAL response indicates that the modem has accept...

Glossary-1 3830-A2-GB91-30 August 1998 Glossary Active (Operating) A configuration area containing configurationoptions currently in use by the modem. When apower cycle occurs, a reset is performed, or a saveis issued, this area is updated with the contents ofActive (Saved). Active (Saved) A nonvola...

COMSPHERE 3800 Series Modems – Model 3830 Glossary-2 August 1998 3830-A2-GB91-30 asynchronoustransmission A data transmission that is synchronized by atransmission start bit at the beginning of acharacter (five to eight bits) and one or more stopbits at the end. AT command set A group of commands, i...

Glossary Glossary-3 3830-A2-GB91-30 August 1998 buffer A storage device used to compensate fordifferences in the data flow rate when transmittingdata from one device to another. byte A sequence of successive bits (usually eight)handled as a unit in data transmission. character A letter, figure, numb...

Glossary Glossary-5 3830-A2-GB91-30 August 1998 dial line A communications circuit that is established by aswitched circuit connection in the dial network. dial network See PSTN. dial string A series of characters that consists of numbers andmodifiers used to dial a telephone number. digital signal ...

Glossary Glossary-7 3830-A2-GB91-30 August 1998 Hz A unit of frequency (hertz) that equals one cycleper second. ITU-T The Telecommunications Standardization Sectorof the International Telecommunications Union,an advisory committee established by the UnitedNations to recommend communications standard...

COMSPHERE 3800 Series Modems – Model 3830 Glossary-8 August 1998 3830-A2-GB91-30 ITU-T V.42 ITU-T standard for error control protocol. ITU-T V.42 bis ITU-T standard for data compression. ITU-T V.54 ITU-T standard for local and remote diagnosticloopback tests. JM8 A jack used for leased-line networks...

Glossary Glossary-9 3830-A2-GB91-30 August 1998 modulation The process of varying some characteristics(usually amplitude, frequency, and/or phase) of acarrier wave to form data transmissions. off-hook A telephone or modem is being used. on-hook A telephone or modem is not being used. Originate mode ...

Glossary Glossary-11 3830-A2-GB91-30 August 1998 tone dialing One of two dialing methods, in which telephonenumbers are sent as tones across the telephonelines. training A process where two modems try to establish aconnection over the VF line. UL Underwriter’s Laboratories, Inc. UNIX Dial A factory ...

Index-1 3830-A2-GB91-30 August 1998 Index ! (hook flash), 4Ć9," dial modifier (Pause), 4Ć8," Pause Time (S8), 4Ć32;" (return to command mode), 4Ć9@ (quiet answer), 4Ć9 1800 Hz Training Tone (S34), 4Ć33220-240V power transformer, 2Ć2, 2Ć5 A/ (Repeat Last Command), 4Ć7ac power, 2Ć5Answe...

COMSPHERE 3800 Series Modems – Model 3830 Index-2 August 1998 3830-A2-GB91-30 &Q (Async/Sync Mode and DTE Dialer Type), 4Ć18 &R (RTS Action), 4Ć19 &S (DSR Control), 4Ć20 &T (Tests), 4Ć21 &V (View Configuration Options), 4Ć22 &W (Write to Memory), 4Ć22 &X (Transmit Clock S...

COMSPHERE 3800 Series Modems – Model 3830 Index-4 August 1998 3830-A2-GB91-30 character format, 4Ć3 problems, AĆ3, AĆ7 clock source (AT&X), 4Ć22command echo, 4Ć9, AĆ3Command mode, 4Ć1Command Response (V.25bis), DĆ7compression MNP5, 4Ć29 V.42bis, 4Ć29 COMSPHERE 6700 Series NMS, 1Ć2configuration o...

Index Index-5 3830-A2-GB91-30 August 1998 dialing problems, AĆ5Directory Location 1 Callback (S67), 4Ć43Disconnect Delay Receive Buffer, 4Ć36 Transmit Buffer, 4Ć39 display configuration options, 4Ć22 SĆRegister, 4Ć11 DSR Control (AT&S), 4Ć20DTE connection, 2Ć4DTE Rate CT111 Rate Control, 4Ć41 pr...

Index Index-7 3830-A2-GB91-30 August 1998 Identification (ATI), 4Ć10initialization strings, 2Ć11 DATAKIT, 2Ć12 synchronous leasedĆline applications, 2Ć12 V.25bis applications, 2Ć11 installation Model 3830 modem, 2Ć2 software, 2Ć6 ITU-T/Bell Mode (B), 4Ć7 Leased Line Carrier On Level (S48), 4Ć39Lease...

Index Index-11 3830-A2-GB91-30 August 1998 S88 (Straps When Disconnected), 4Ć47 S89 (V.42 ARQ Window Size Increase), 4Ć48 S90 (DTE Rate = VF Rate), 4Ć48 S91 (Cellular Enhancements), 4Ć49 S92 (V.29 Train On Data), 4Ć49 selfĆtest AT&T9, 4Ć21 failure, AĆ2 powerĆup, 2Ć6 Send Break Control (AT\K), 4Ć...