Telenetics
Restricted Rights Notification for U.S. Government Users
Proprietary Material
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Contents
Contents
Troubleshooting Guide
Modem Leased Line with Dial Restoral
Glossary Return Procedures
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326X Series Modem Family
Using the Documentation Set Overview
Product Family Model Numbers
This Model Number... Denotes
How to Use the Documentation Set
Using the Documentation Set
Documentation Target Audience
326X V.34 Series Modem Reference Card TEL-T0009-01
326X V.34 Series Modem User’s Guide TEL-T0009
Trademarks
References
326X Series Modem Reference Guide TEL-09925
Special Notices
Using the Documentation Set Conventions
Mise en Garde
Using the Documentation Set Messages spéciaux
Avertissement
Besondere Hinweise
Precaucion
Using the Documentation Set Avisos Especiales
Advertencia
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Introduction
Telenetics Customer Information
Location or Description
Sales-Related Issues Comments about the Manual
Chapter
From a network management system NMS
Introduction
Repair
Safety and Operational Notices
Lightning
Operating the Modem from the Front Panel
Automatic Calling Interfaces ACUs
Selecting Programmed Option Sets
25bis ACU
Managing a Modem
ITU-T V.34 Compliant Modulation Mode
Restoring Data Transmission
Automode/Multimode Feature
Synchronous Data Compression SDC Feature
Modulation Mode Characteristics
Compatibility in V.34 Modulation Mode
Error Correction and Data Compression
Remote Configuration
Security
Status Snapshots
Adaptive Rate System
Troubleshooting V.54 and V.22bis Tests
Country-Specific Information
NET Compliance
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Contents
Installing the Modem
Appendix C Appendix B
U.S.A Outside the U.S.A
Unpacking the Modem
One User’s Guide One Reference Card
Choosing a Site
Additional Equipment Required
Rear Panel Connectors
Connecting the Modem
An AC power switch
Modular jacks for making
Operating at V.34 DTE Rates
Electrical Interfaces-EIA/TIA-232 and ITU-TS
Models 3261 and 3266 Dial Line Connections
Ferrite Cylinders
Models 3267
Modems
Installing a Ferrite Cylinder on a DTE Cable
Installing a Ferrite Cylinder on an Audio Cable
Installing a Ferrite Cylinder on a Power Cable
Installing a Ferrite Cylinder on a Power Cable
Important Information About the Modular Nest Enclosure
Cabling the Modem
3265 Modem Cabling
Connecting to a 9110 NMS
Connecting the Modem to a Network Management System
Turning on the Modem
11. Connecting Modems in a Daisy Chain Configuration
Handling Error Messages
After Installing the Modem
Automatic Self-Test
Self-Test Messages
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Getting Started
Configuring and Operating the Modem
System Requirements for Software Upgrades
Using the Front Panel
If You Are Unsure of Your DTE’s Data Format
326X LEDs
326x Ready
Name Description
RC/NC
Front Panel Display
Setting Configuration Options from the Front Panel
Navigating the Configuration Menu Tree
Menu Structure
Front Panel Keys
Talk/Data Switch
Example Accessing a Configuration Option
Status Displays
Where Do I Go from Here?
Using the Modem with a Network Management System NMS
Operating Status Displays
Option Sets/Dialing Options
Using the Modem with an Async Terminal
Using the AT Automatic Calling Unit ACU
Selection, refer to
Using the Modem with a PC and Async Communications Software
25bis ACU for Sync or Async Applications
Other Call Establishment Methods
NetView LPDA-2 ACU for Sync Applications
NetView LPDA-2 ACU for synchronous applications
External Auto-Call Units
Sync Dialing from an IBM AS
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Configuring the Modem
Select the Modem’s Preconfigured Option Set
Configuring the Modem for Use with Communications Software
Communications Software Package Operating Notes
General Notes
Operating Notes
Set Modem Flow=Off
Direct Operating Mode
Preparing for Operation
Reinitializing Memory Using the AT&F Command
If the Communications Software and Modem Do Not Operate
Reinitializing Memory from the Front Panel
What is an Option Set?
Configuration Option Sets
Option Set Summary-326X V.32bis and V.34 Modems
Option Set Summary-326XFAST-SDC Modem
Option Set Descriptions-326X V.32bis and V.34 Modems
Option Set 1-Async Calls to Central Site Using the AT ACU
Option Set 2-Sync Dial A/B Restoral
Option Set Descriptions-326XFAST-SDC Modems
Option Set 3-Sync Dial Only
To create a customized option set
Configuring an Option Set
Option Set Defaults-326X V.32bis and 326X V.34 Modems
Option Set Defaults
Save Changes=n
Option Set Parameter 3260/62/65/67 3261/63/66/68
EC/DC OPT’S
Terminal OPT’S
Option Set
Option Set Defaults-326X-SDC V.34 Modem
Option Option Set 3261/63/66/68
Answer Country-specific Async Echo Char Length V25 Char
For This Type of Application Select
326X V.32bis and 326XFAST Modem Application Examples
Changing Default Configuration Settings
Option Set 1-Async Calls to Central Site Using AT ACU
Option Set 3-Sync Calls to Central Site, V.25bis ACU
Option Set 2-Sync Answering Central Site Without ACU
Synchronous Dialing from an IBM AS
Mode=Originate in the other modem
SDC Pre-Operation Notes
326XFAST-SDC Modem Application Examples
Operational Requirements
Optimizing Network Performance
Ensuring Optimum Network Performance in SDC Mode
Configuring the Modem for SDC Operation
SDC Option Set 1-Async Calls to Central Site Using AT ACU
SDC Sample Applications
To 56 kbps
To 33.6 kbps To 56 kbps
X-SDC Dial-Only Application-Option Set
SDC Option Set 3-Sync Dial Only
Bandwidth On Demand-Option Set
Bandwidth On Demand
Select SDC Option Set 4 for this application
Point-to-Point Leased Line Application with Dial Restoral
When Remote Access Reset Is Disabled
Remote Access Reset
Operation
Using the AT Automatic Calling Interface
Industry-Standard AT Command Set-AT and AT
Using AT Commands
What is the Attention AT Command Set?
Entering AT Command Lines
To enter a single AT command line
AT Command String Examples
To enter multiple AT commands on a single command line
For Further Detail on AT Commands
Interpreting AT Command Strings
Escape Sequence-+++
Autobaud Feature
Valid Autobauding Character Formats
Start Bit Data Bits Parity Stop Bits
To use the escape sequence with guard time
Non-Configuration AT Commands
ATA, Manual Answer
Re-Execute Last Command
ATD, Dial
ATH, Hang Up
ATO, Leave Command Mode
ATI, Display Software Information
AT*RD, Redial Last Number
Registers
Displaying and Changing S-Register Values
Display S-Register Value ATSn?
Display S-Register Value AT?
Register Descriptions
Change S-Register Value ATSx=n
Change S-Register Value AT=x
Register 2-Escape Code Character
Register 1-Ring Count
Register 3-Carriage Return Character
Register 4-Line Feed Character
Register 6-Wait for Dial Tone
Register 5-Backspace Character
Register 7-Wait for Data Carrier
Register 10-Carrier Loss Hang Up Delay
Register 8-Pause Time for Pause Delay Dial Modifiers
Register 11-DTMF Tone Duration
Register 18-Test Timer
Register 12-Escape Code Guard Time
Register 26-RTS/CTS Delay
Register 25-Delay Before Looking for DTR
Register 30-DTE Inactivity Disconnect
Register 45-Access Security Tone Duration
Register 38-Disconnect Buffer Delay
Register 46-Access Security Lead Digit Delay Timeout
Register 96-Signalling System #5
Register 97-Break Signal Duration
Register 99-V.32 Training Time
Register 98-AC Detect
Troubleshooting Guide
Troubleshooting Steps
Troubleshooting
Assumptions
First Step
Call Establishment
Max Rate AT*MX Min Rate AT*MN
Data Mode
Data stops passing
Call Termination
Fast Call=Off AT*FC0 in it
Modem wont connect
Test Description Command
326X Series Modem Diagnostic Tests
To initiate a test from the modem’s front panel
Synchronous Data Compression SDC Testing
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Appendix a
Configuration Quick Reference
Configuration options and functions
Configuration Quick-Reference-Menu Trees
For More Detail
Audience and Assumptions
Figure A-1. The 326X Series Modem Menu Structure Part 1
Figure A-2. The 326X Series Modem Menu Structure Part 2
Figure A-3. The 326X Series Modem Menu Structure Part 3
Figure A-4. The 326X Series Modem Menu Structure Part 4
Stored #=n
Dial From
Async Echo
Speaker
Volume
Dial
RsltCode
Select Options
Longspace
Guard Tone
Reinitialize Memory
=Off Modem does not use a guard tone
=550 Modem uses a guard tone of 550 Hz
Line
Telco
AT Form
Pulse Cycle
CTS Control
RTS signal from the DTE, set the modem RTS= Normal
Mode=Direct
DSR Control
Clock
Power Up
Enter Phone #
Answer
Ans Rest
Asym Rate
Blind Dial
Auto Type
Break
Mode
Default Dialing
See the AT&Z command description
Buffer Delay
=Off Off setting disables the Delay option
Dial Wait
Data Compression
Dial Wait
DTE Rate
Data Form
RTS/CTS Delay
To D
DTR Delay
Pause Delay
Auto Redial
Stored#
Flow Control
Flow
DTE Ct
Hold DL Line
Line Compen
To L
LAL Busy Out
Pstn Signaling
Link Phone #’s
Low Speed
Mod
Modem Flow
Min Rate
AT Message
AT Msg
Max Rate
Maximum Rate
Netwrk Comp
Buffers
View Phone #
Ext Cntrl
Overspeed
Password
Set Protection
Unlock Pass
Change Pass
Restore
Word
Rmt Acc
Parity
Parity
RTS Control
Retrain
Inactivity
Speed Conver
Throughput Minimization Delay
RTS/DCD Remote Signaling
RemRTS/DCD
TpDlyMin
Call Timeout
Call Timeout
Tone Length
Tone Length
Access security password from the remote modem
Callback Feature
Displays only when selected by an NMS
This command defines dial command limitations
Sim Ring
Rem Num Rqrd
PW Verify
Table A-2 Front Panel Configuration Options
V25 Resp
Sync Idle
LPDA2 Addr
LPDA2 Det
OverrideMode
Group PW
NC Address
NC PortRate
Front Panel Option Description
Performing Numeric Entry
Register AT Command Front Panel Option
Register/AT Command Cross-Reference
Table A-3 Register Cross-Reference
Table A-4 Dial Modifiers
Dial Modifiers for Special Dialing Requirements
Modifier Function Description
Quick-Reference
Table A-5 Result Codes
Result Codes
Connect
Configuration Quick Reference A-43
Table A-6 Rear Panel Switches
Configuring the Modem’s Dual In-line Package DIP Switches
Switch Number Setting Function
Configuration Quick Reference A-45
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Cabling and Interface Pinouts
Appendix B
Pin 232-D ITU Signal Definition
326X/326X-SDC cabling requirements and diagnostics
EIA/TIA 232-D Modem to Computer Interface
Table B-1 Modem/Computer Interface Connections
Models 3261/3263/3266/3268 only. Signal passed from modem to
Figure B-1 XFAST-SDC Series Modem with ITU V.35 Interface
ITU Recommendation V.35 Modem-to-Computer Interface
ITU Rate V.35 Modem-to-Computer Interface Pinouts
Pin Signal Definition
Table B-2 ITU V.35 Modem/Computer Interface Connections
Differences, EIA/TIA 232-D and ITU RateV.35 Interfaces
Dial LINE, Lease Private LINE, Phone Connector Pinouts
NC Network Control Port Pinouts
Table B-3 Network Control Port Connector Pinouts
Cabling
Cable Considerations
Table B-4 Maximum Cable Capacitance per Data Rate
Telenetics Product Up to Description Code Kbps ft Kpbs ft
Table B-5 Telenetics DB-25 Low Capacitance Cables for
Table B-6 Vendor Wire for
DTE Cable Diagnostics
Cabling and Interface Pinouts B-11
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Appendix C
Country-Specific Information
Country Support
Models 3265/3266
Installation Notes
All Models
Setting AT Command
Restricted Features Summary
AT *AA0
AT *AA1
Feature Australia Austria Belgium Canada
Czech Republic Feature Poland Denmark Finland France
Feature Germany Hong Kong Ireland Israel
Feature Italy Japan Malaysia Netherlands
AT*DD2 AT*DD3
Feature Norway Portugal South Africa Spain
AT*DR1 AT*DR2 AT*DR3 AT*DR4
AT*TL0 AT*LL
AT*DD4 AT*DD3
Feature Sweden Switzerland United Kingdom Universal
AT*DD3 S7 AT*DD9 AT*DP
AT*DR1 AT*DR2 AT*DR3 AT*LL
Standalone Modem Rear Panel Views
Operating Notes
Modem Rear View Leased Line, Dial Restoral
Dial Only Modem
Modem Rear Panel Dial Only
Figure C-3.View a Rear Panel Layout 3265 Dial Only
Modem Rear Panel-View a
Modem Rear Panel-View C
Modem Rear Panel-View B
Modem Rear Panel-View D
Modem Leased Line with Dial Restoral
For an Illustration of the Enclosure Card Backplane
Rear Panel Interface Pinouts
Wire Leased Line Interface Models 3260/3265
Standalone Models 3260/65 and 3261/66 Interface Pinouts
Dial Line Interface Models 3260/3265
Dial Line Interface Models 3261/3266
Phone Connector Interface Models 3260/3265
Table C-3 Phone Line Interface Models 3260/3265
Table C-4 Dial Line Interface Models 3261/3266
Table C-5 Wire Leased Line Interface Models 3261/3266
Wire Leased Line Interface Models 3261/3266
Table C-6 Wire Leased Line Interface Models 3261/3266
Card Models 3262/67, 3263/68 Backplane Interface Pinouts
Phone Connector Interface Models 3261/3266
Dial Line Interface All Card Models
Table C-7 Phone Line Interface Models 3261/326
Wire Leased Line Interface Models 3263/3268
Wire Leased Line Interface Models 3262/3267
Table C-9 Wire Leased Line Interface Models 3262/3267
Table C-10 Wire Leased Line Interface Models 3263/3268
Australia-Delayed Call Lists
Delayed and Forbidden Lists
Table C-11 Wire Leased Line Interface Models 3263/3268
Austria-Forbidden Call Lists
Belgium-Delayed Call Lists
France-Delayed and Forbidden Call Lists
Finland-Delayed Call Lists
Ireland-Delayed Call Lists
Hong Kong-Delayed Call Lists
Norway-Delayed Call Lists
Netherlands-Delayed Call Lists
Other Country-Specific Information
Spain-Delayed Call Lists
Canada
DOC Registration and Requirements
Canadian Emissions Statement
Industry Canada Equipment Attachment Limitations
Table C-13 Phone Connector Pinouts for Jack Operation
Table C-12 Dial Line Connector Pinouts for Jack Operation
Rear Panel Pinouts
Modem
Table C-15 Phone Connector Pinouts for Jack Operation
Table C-14 Dial Line Connector Pinouts for Jack Operation
Telco Option AT&J
Hong Kong and United Kingdom-BABT Regulations
Denmark-Blind Dialing
Compliance with BS6328 Part 1 1982 Section
Compliance with BS6305 Clause 6.2, BS6320 Clause
Compliance with BABTSITS/82/01/C and BABT/SITS/ 82005S/D
Ringer Equivalence Number REN
Compliance with BS6789 .11986 Clause
Compliance with BABT/SITS/83/08/A Clause
Compliance with BS6301
Compliance with DTI 83/009I
Compliance with Babt Sits 83/009 Section D
Application for Installation of Telephone Socket
Installation of Telephone Socket
FCC Registration
FCC Regulations
Pin Voice Jack Permissive
Dial Line Jack Types
Pin Data Jack Programmable
Jack Type Description
Table C-17 Phone Connector Pinouts for Jack Operation
Table C-16 Dialline Connector Pinouts for Jack Operation
Jack Leased Connector Pin No Function
Dial Line Telco Jack Selection
Table C-19 Phone Connector Pinouts for Jack Operation
Table C-18 Dial Line Connector Pinouts for Jack Operation
Dial and Leased LineTransmit Levels
Connecting an Exclusion Key Telephone
Making Telephone-to-Modem Connections
Dial Line Transmit Level
Declaring The Jack Type
Option Setting AT Command
Using the Modular Nest Backplane’s Busy Out Feature
Pin Pair Function A. and Canada Other UI Countries
Country-Specific Information C-45
Modem a Modem B
ACU
Glossary
CRC
EIA
ITU-TS
Pstn
SYN
Return Procedures
Expiration of Lease
Equipment Return Procedures
Factory Repair
Packaging Guidelines for Equipment Return
Index
DOC
Lease Line B-6PHONE B-7
Phone
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