Page 2 - B. Get your QuickLink II Fax software ready:
Your modem needs a serial cable to connect it to your computer. One end must have a 25-pin plug, and the other end must have a socket that matches the modem port on your computer. This is a 25-pin or a 9-pin connector. Quick Installation for the COMSPHERE 3825 Plus Modem Plug the serial cable into y...
Page 3 - Plus Modem; Trademarks; COPYRIGHT
COMSPHERE 3825Plus Modem A November 1996 3825-A2-GB30-20 COMSPHERE3825 Plus Modem User’s Guide3825-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 or a limitedrevision of this manual. The 3825...
Page 4 - Important Safety Instructions
Safety Instructions B 3825-A2-GB30-20 November 1996 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. Slots and openings in the cabinet are provided for ventilation. To ensure reliable operation of the product an...
Page 5 - Notices
COMSPHERE 3825Plus Modem C November 1996 3825-A2-GB30-20 Notices ! ! ! !
Page 6 - Government Requirements and Equipment Return; United States; Notice To Users Of The Public Switched Telephone Network
Safety Instructions D 3825-A2-GB30-20 November 1996 Government Requirements and Equipment Return Certain governments require that instructions pertaining to modem connection to the public switched telephone network be included inthe installation and operation manual. Specific instructions are listed...
Page 7 - Canada
COMSPHERE 3825Plus Modem E November 1996 3825-A2-GB30-20 Canada Notice To The Users Of The Canadian Public Switched Telephone Network The Canadian Department of Communications label identifies certified equipment. This certification means that the equipment meetscertain telecommunications network pr...
Page 8 - United Kingdom; Ringer Equivalence Number; Connection to Supply Mains; All European Countries; Safety Notice
Safety Instructions F 3825-A2-GB30-20 November 1996 United Kingdom Ringer Equivalence Number The Ringer Equivalence Number (REN) is a customer guide indicating approximately the maximum number of items of apparatus thatshould be connected simultaneously to the telephone line. The sum of the RENs sho...
Page 9 - Japan; Restrictions
COMSPHERE 3825Plus Modem G November 1996 3825-A2-GB30-20 Japan Notices This equipment is in the 2nd Class category (information equipment tobe used in a residential area or an adjacent area thereto) and conformsto the standards set by the Voluntary Control Council for Interference byInformation Tech...
Page 10 - Table of Contents; Preface
i 3825-A2-GB30-20 November 1996 Table of Contents Preface Objectives and Reader Assumptions v . . . . . . . . . . . . . . . . . . . . . . . . . How to Use This Manual v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Related Documents v . . . . . . . . . . . . . . . . . . . . . ....
Page 12 - CCITT V.25bis Dialing Commands and Responses
Table of Contents iii 3825-A2-GB30-20 November 1996 E. CCITT V.25bis Dialing Commands and Responses Overview E-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Call Request Commands E-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C...
Page 13 - How to Use This Manual
v 3825-A2-GB30-20 November 1996 Preface Objectives and ReaderAssumptions This manual describes how to install and operate the 3825Plus modem. It is intended for all users of the3825Plus modem. How to Use This Manual Chapter 1 provides information about the 3825Plus modem’s hardware and software feat...
Page 14 - Introduction; Overview; The 3825Plus modem is a member of the; Features; The 3825Plus modem has a wide variety of features,
1-1 3825-A2-GB30-20 November 1996 Introduction Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 15 - The front panel of the 3825Plus modem is equipped; Plus Front Panel
COMSPHERE 3825Plus Modem 1-2 November 1996 3825-A2-GB30-20 • High-speed transmission using asynchronous,synchronous, or UNIX devices over full- orhalf-duplex dial networks or 2-wire leased lines. • Support as a remote (tributary) device by theCOMSPHERE 6700 or 6800 Series NetworkManagement System. •...
Page 16 - Plus LEDs
Introduction 1-3 3825-A2-GB30-20 November 1996 Table 1-1 3825 Plus LEDs Label Color Indicates EC/SQ green Error Control/Signal Quality ON: The modem is in Error Control mode. Off: The modem is not in Error Control mode. Flashing; Predominantly ON: The modem is in Error Control mode and is receiving ...
Page 17 - Modem Installation; Customer- Supplied Equipment
2-1 3825-A2-GB30-20 November 1996 3825 Plus Modem Installation Overview 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3825Plus Modem Package 2-1 . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 18 - Plus Installation; Before installing your standalone modem, make sure
COMSPHERE 3825Plus Modem 2-2 November 1996 3825-A2-GB30-20 3825 Plus Installation Before installing your standalone modem, make sure your installation site is clean and well-ventilated. Allowspace around the modem for installing cables andtelephone cords, and make sure the modem is locatedwithin rea...
Page 19 - DTE Connection; Telephone Connection; Procedure
3825Plus Modem Installation 2-3 3825-A2-GB30-20 November 1996 DTE Connection Use the following procedure to connect the RS-232-E cable from the modem to the DTE: " Procedure 1. Make sure the modem’s rear panel power switch is Off. 2. Connect the DB-25-P (male) connector on the cable to the DB-25...
Page 20 - NOTE; Recovering AT Commands; n is one of the following storage areas:
COMSPHERE 3825Plus Modem 2-4 November 1996 3825-A2-GB30-20 Modem Power-Up Once your modem is properly connected to the DTE, dial or leased lines, and ac outlet, press the modem’s rearpanel power switch to the ON position. The modembegins a power-up self-test in which all front panel LEDsmomentarily ...
Page 22 - Initialization Strings; Synchronous Leased-Line Applications
COMSPHERE 3825Plus Modem 2-6 November 1996 3825-A2-GB30-20 3. To save changes, use the &W command: TYPE: AT&Wn Where: n is one of the following storage areas: 0 for Active (Saved)1 for Customer 12 for Customer 2 PRESS: Enter The modem exits AT Recovery mode and returns toits previous applica...
Page 23 - Fax Operation
3-1 3825-A2-GB30-20 November 1996 Fax Operation Overview 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fax Operation 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 24 - AT Commands and S-Registers; Escape Sequence and Escape Guard Time
4-1 3825-A2-GB30-20 November 1996 AT Commands and S-Registers Overview 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Modes 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 26 - Plus AT Commands
AT Commands and S-Registers 4-3 3825-A2-GB30-20 November 1996 Table 4-1 (1 of 14) 3825 Plus AT Commands *** AT Command Recovery Mode Allows the modem to remain in Asynchronous data mode so that AT commands can be used to change the modem’scurrent configuration. Use this command when AT commands ar...
Page 40 - S-registers affect the operating parameters of the
AT Commands and S-Registers 4-17 3825-A2-GB30-20 November 1996 S-Register List S-registers affect the operating parameters of the 3825Plus modem. These registers are applicable onlywhen the DTE Dialer Type configuration option is set forAT. (See &Mn and &Qn commands.) S-registers can be disp...
Page 50 - Security; Password Types; VF passwords consist of DTMF tones and are entered; Originate Security; ATD is the AT dial command.; Answer Security
AT Commands and S-Registers 4-27 3825-A2-GB30-20 November 1996 Security Security configuration on the 3825Plus modem is performed using the AT commands and S-registers inTable 4-3. Password Types Security in 3825Plus modems is implemented with three basic types of passwords. There is one Administrat...
Page 51 - DTE Only
COMSPHERE 3825Plus Modem 4-28 November 1996 3825-A2-GB30-20 Callback Security Callback Security causes the responding modem to disconnect and call back to the phone number provided bythe user at the originating modem. The user enters thenumber, when prompted by the remote modem, as aDirectory locati...
Page 52 - Callback; Plus Security Commands
AT Commands and S-Registers 4-29 3825-A2-GB30-20 November 1996 User A dials this modem by following the phone number with a wait dial modifier and the VF password12345678, and is not prompted for a DTE password. User B dials this modem by following the phone numberwith a wait dial modifier and the V...
Page 55 - Remote Access; Control Remote
5-1 3825-A2-GB30-20 November 1996 Remote Access Overview 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Remote Access 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 57 - Table A-1 lists all the result codes 3825Plus modems
A-1 3825-A2-GB30-20 November 1996 Result Codes Overview A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview Table A-1 lists all the result codes 3825Plus modems may send to the DTE. Result co...
Page 61 - Troubleshooting; This appendix points out basic problems that can occur; Modem Health
B-1 3825-A2-GB30-20 November 1996 Troubleshooting Overview B-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Automatic Firmware Download B-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 63 - Modem – VF Connection
Troubleshooting B-3 3825-A2-GB30-20 November 1996 Table B-4 (2 of 3) Modem – VF Connection Symptom Action Modem goes off-hook,answers, but does notconnect (continued) Verify that originating modem supports your modem’s modulation schemes. The 3825 Plus modem recognizes V.34, V.32 terbo, V.32bis, V.3...
Page 65 - Download Failure
Troubleshooting B-5 3825-A2-GB30-20 November 1996 Table B-6 Fax Operation Symptom Action Modem cannot send orreceive a fax Make sure that your fax software is correctly installed. receive a fax Check your fax software to see if there is an Answer mode or Receive Fax setting that mustbe enabled. Sect...
Page 66 - Technical Specifications; Plus Technical Specifications
C-1 3825-A2-GB30-20 November 1996 Technical Specifications Table C-1 (1 of 2) Model 3825 Plus Technical Specifications Specifications Description APPROVALS Refer to the label on your modem or contact your local sales representative. COMPATIBILITY AND VF DATA RATES Dial-Line ModulationsProprietary V....
Page 68 - Pin Assignments
D-1 3825-A2-GB30-20 November 1996 Pin Assignments EIA-232-E Pin Assignments D-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . JM8 to RJ11 Crossover Cable D-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 69 - For 2-wire leased-line connections to a JM8 network
COMSPHERE 3825Plus Modem D-2 November 1996 3825-A2-GB30-20 JM8 to RJ11 Crossover Cable For 2-wire leased-line connections to a JM8 network interface, an 8-position to 6-position crossover cable (seeFigure D-1) must be used according to the following FCCrequirements: ‘‘The RJ series of jacks should n...
Page 70 - Plus modem must be
E-1 3825-A2-GB30-20 November 1996 CCITT V.25bis Dialing Commands and Responses Overview E-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Call Request Commands E-2 . . . . . . . . . . . . . . . . . ...
Page 71 - Call Request Commands; x is directory location 1–10.; Call Response; xx is
COMSPHERE 3825Plus Modem E-2 November 1996 3825-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), Call Request with StoredMemory Address P...
Page 72 - Call Answer Commands; x is a directory location.
CCITT V.25bis Dialing Commands and Responses E-3 3825-A2-GB30-20 November 1996 Call Connecting (CNX) The CNX response informs the DTE that the modem has connected to the remote modem. CNX is similar to theAT result code CONNECT. The CNX response format is CNX. Call Answer Commands Call Answer comman...
Page 73 - Command Response; CU
COMSPHERE 3825Plus Modem E-4 November 1996 3825-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 comma...
Page 74 - Table E-2 lists V.25bis response messages supported by; V.25bis Response Messages
CCITT V.25bis Dialing Commands and Responses E-5 3825-A2-GB30-20 November 1996 Table E-2 lists V.25bis response messages supported by the 3825Plus modem. Table E-2 V.25bis Response Messages V.25bis Command Description AT Command/Result Code Equivalent CALL RESPONSE CFI Call Failure Indication BUSY, ...
Page 80 - Glossary
Glossary-1 3825-A2-GB30-20 November 1996 Glossary Active (Operating) A configuration area containing configuration options currently in use by the modem. When apower cycle occurs, a reset is performed, or a save is issued, this area is updated with the contentsof Active (Saved). Active (Saved) A non...
Page 87 - Index; Symbols
Index-1 3825-A2-GB30-20 November 1996 Index Symbols ! (hook flash), 4-4“,” dial modifier (Pause), 4-4“,” Pause Time (S8), 4-18“;” (return to command mode), 4-4@ (quiet answer), 4-4 Numbers 3825Plus modem AT commands, 4-2description, 1-1features, 1-1operating modes, 4-1S-registers, 4-17 A A/ (Repeat ...
