Data/Voice/Fax Concentrator
Patents
DataTalker Series
Record of Revisions
Trademarks
Contents
Troubleshooting
Unpacking and Configuration
Installation
Warranty, Service and Tech Support
Glossary Index
Page
Introduction and Description
About This Manual
Configuration Examples
Introduction
Introduction
Troubleshooting
Unpacking and Configuration
Installation
Service, Warranty and Tech Support
Product Description
+++ATCR
Introduction and Description
System Features
Diagnostics
Operational Statistics
FCC Regulations for Telephone Line Interconnection
Canadian Limitations Notice
Async Data Channel
Specifications
System Control Command Port
Sync Data Channel
Isdn Terminal Adapter
Internal Modem
Internal DSU
Voice/Fax Channel
Electrical/Physical
Desktop Models
Rack-mount Models
Configuration
DataTalker Configurations
Valid Voice/Fax Configurations Description
Configuration 1 Dial-Up Link
Configuration
Home Office
Quick Setup
AT$D1 CR
DOD/DOI
Page
Configuration 2 MMH900 Series with Voice/Fax
Adding Voice to Data-Only Network
CTS
Composite Link Settings Internal DSU Speed
Configuration 3 LAN to LAN
Ethernet Concentrator
CTS
Enter
DOI
Configuration 4 PBX to PBX
Remote Site
Local Site
FXS
DOD/DOI
Front and Rear Panel Descriptions
Indicators
LED Indicators
Data/Command Indicators
Front and Rear Panel Descriptions Voice/Fax Channels
Composite Link Status
Page
Connectors
Modem Leased Connector
VOICE/FAX Channel 1 E&M Connector
8 DSU/TA Digital Connector
Modem DIAL-UP Connector
Switches and Shunts
Front Panel Switches
Power Switch
DIP Switch
4 RS232C/V.35 Shunt
Position
Unpacking and Configuration
Unpacking
Unpacking
Configuration Summary
Data Port Configuration Considerations
Voice/Fax Channel Configuration Considerations
Composite Link Configuration Considerations
Configuration Procedure
Configuration Procedure
CTS
Voice/Fax Channel Configuration
Composite Link Configuration
DOD/DOI
DOI
Page
Installation
Device DIP Switch
Cabling Procedure
Step Procedure Composite Link
Cabling
Installation MMH2834 Modem, Leased Line
Isdn Terminal Adapter
External Modem, DSU, or Isdn Terminal Adapter
Data Channel
Voice/Fax Channel
Installation
PBX Connection
V.35 Shunt Procedure
Step Procedure
V.35 Shunt
Power-On and Checkout
Power-On and Checkout Procedure
Composite Link Device
Composite Link
Installation Voice/Fax Channel
Page
Menus
Configurations Menu
Data Port Configuration
Menus
OUT
Sync Data Port Configuration
NRZ
Voice/Fax Channel Configuration
Voice/Fax Channel 1 Configuration
Configuration Local Remote
Page
Composite Link Configuration
Composite Link Settings Internal MMH2834
Selection
Composite Link Settings Internal 56K DSU
Composite Link Settings Internal TA
Enter the number of minutes P Previous Menu
Composite Link Settings External Device
Statistics
Reset Options
Diagnostic Tests
Internal DSU Test
Loop Tests
Voice Loopback Test
External Device Test
Configure Remote Unit
1 MMV8/16/32 Configuration Options
Quick Setup
Do you wish to continue y/n?
MMH2834 Modem Leased Line
Main Office Installation
MMH2834 Modem Dial-up
Digital DSU
DATA/COMMAND
Home Office Installation
DATA/COMMAND
Troubleshooting
Importance of the Composite Link Statistics Report
Troubleshooting
Test Cables
Troubleshooting Guide
Solution
Command Port Troubleshooting
Composite Link Troubleshooting Internal DSU
XMT, and RD LED on
Composite Link Troubleshooting Internal DSU
Internal Isdn Terminal Adapter
Internal MMH2834 Modem
Solutions
External Composite Link Device
Data Channel Troubleshooting
Async Data Channel
Sync Data Channel
Voice/Fax Troubleshooting
Voice/Fax Troubleshooting
Composite Link Settings Internal DSU
Composite Link Settings Internal DSU
Composite Link Settings Internal Isdn Terminal Adapter
Composite Link Settings Internal Isdn Terminal Adapter
100
Composite Link Settings Internal Modem
StepProcedure
101
Composite Link Settings External Device
102
Composite Link Statistics
Composite Link Statistics
103
104
10Data Port Configuration
10. Data Port Configuration
105
106
NRZ
Voice/Fax Channel Configuration
11. Voice/Fax Channel Configuration
107
108
FXS
12Diagnostic Testing
12. Diagnostic Testing
109
110
Warranty, Service and Tech Support
Limited Warranty
On-line Warranty Registration
112
Tech Support
Service
Warranty, Service and Tech Support
Recording DataTalker Information
Multi-Tech BBS
To log on to the Multi-Tech BBS
To Download a file
About the Internet
115
116
Appendixes
Appendix a Ascii Conversion Chart
118
Appendix B RS-232C Interface Specification
Appendix B RS-232C Interface Specification
119
Appendix C Cabling Diagrams
Channel Cables
120
Appendix C Cabling Diagrams
Composite Link Cabling
121
3 4 5 6 7
122
Voice/Fax Channel Connectors
Voice/Fax Channel Cable
DSU Back-to-Back Cable
Appendix D Flow Control Background
124
Wait Time for Dial Tone
Appendix E MMH2834 Modem S-Registers
Number of Rings Until Modem Answers
Pause Time for Comma
S11 Tone Dialing Tone Spacing and Duration
S13 Remote Configuration Escape Character
S19 Dial-Back Timer
S18 Automatic Leased Line Restoral
Appendix F MMH2834 Modem Commands
Appendix F MMH2834 Modem Commands Introduction
MMH2834 Command Summary
127
E15
128
Continuous Redial
Dialing Action Commands
Dial Command
Dialing a Stored Number N
Set Pulse Dial Ratios &P
Dial Modifier Commands
Pulse or Tone Dial P
Automatic Pauses in Dialing
Flash On Hook
Reverse the Mode of Operation R
Wait for New Dialtone
Calling Card Detect Tones
Number Linking
Phone Number Memory Commands
Storing Phone Numbers
Listing Numbers Stored in Memory
Modem Reset
Configuration and Default Storage Commands
Loading Factory Defaults &F
Async/Sync Mode Switching
Result Codes Enable/Disable and No Response Answer
Command Response Result Code Commands
Echo Command Mode Characters
Result Codes Multi-Tech or Standard AT
Result Codes Verbose/Terse
Result Codes Basic and Extended and Call Progress Selection
135
136
Phone Line Conditioning Commands
RS232C Interface Control Commands
Auto-Reliable Buffering
Error Correction Commands
Mode Select
138
Retransmit Count
Enable/Disable Auto-Reliable Fallback Character
Error Correction/300bps
139
Maximum Block Size
Compression and Maximum Block Size Commands
Data Compression
140
Speed Conversion Commands
Speed Conversion $BA
Modem Baud Rate $MB
= 115,200 bps
Serial Port Baud Rate
AT$SB115200
142
Inquiry for Product Code
Immediate Action Commands
Help Screens $H
Listing Current Operation Parameters L5, L7
Listing On-Line Diagnostics
144
Glossary
Glossary
145
146
147
148
Format
149
Parameter
150
151
Index
152
Index
153
42, 56
154