Rack-Mount Models DT101R, DT102R, DT101R/xx, DT102R/xx
Data/Voice/Fax Concentrator
Desktop Models DT101, DT102, DT101/xx, DT102/xx
Owner’s Manual
Patents
DataTalker Series
Record of Revisions
Trademarks
Chapter 3 - Front and Rear Panel Descriptions
Chapter 2 - Configuration
Chapter 1 - Introduction and Description
Contents
Chapter 7 - Troubleshooting
Chapter 4 - Unpacking and Configuration
Chapter 5 - Installation
Chapter 8 - Warranty, Service and Tech Support
Index
Appendixes
Glossary
Appendix A - ASCII Conversion Chart
Page
Chapter 1 - Introduction and Description
1.2 About This Manual
Chapter 2 - Configuration Examples
1.1 Introduction
Chapter 1 - Introduction
Chapter 7 - Troubleshooting
Chapter 4 - Unpacking and Configuration
Chapter 5 - Installation
Chapter 8 - Service, Warranty and Tech Support
Figure 1-2. Block Diagram
1.3 Product Description
+++ATCR
DataTalker Owner’s Manual
communications software to the DATA/COMMAND connector on the back panel and configure the data channel for the type of data that is going to be transferred. For example, if an asynchronous device is going to be connected to the data channel, you must set the speed of the channel, the word length, the number of stop bits, whether or not you are going to have parity checking, the flow control type, and other aspects of asynchronous data. After you have configured the data channel, remove the command port device and connect the data channel device, allowing data to be transferred from the asynchronous device to the MultiMux’s input/ output circuitry
Chapter 1 - Introduction and Description
1.4.2 Data Channel
1.4 System Features
1.4.1 Voice/Fax
1.4.3 Composite Link
1.4.7 Operational Statistics
1.4.6 Diagnostics
Chapter 1 - Introduction and Description
1.5 FCC Regulations for Telephone Line Interconnection
DataTalker Owner’s Manual
1.6 Canadian Limitations Notice
Chapter 1 - Introduction and Description
1.7.1 Async Data Channel
1.7 Specifications
1.7.3 System Control Command Port
1.7.2 Sync Data Channel
1.7.7 ISDN Terminal Adapter
1.7.5 Internal Modem
1.7.6 Internal DSU
1.7.8 Voice/Fax Channel
Rack-mount Models
1.7.9 Electrical/Physical
Desktop Models
DataTalker Owner’s Manual
Chapter 2 - Configuration
Configuration
DataTalker Configurations
Valid Voice/Fax Configurations
2.1 Introduction
Chapter 2 - Configuration
2.2 Configuration 1 - Dial-Up Link
Home Office
To configure the DataTalker, enter 1 and press ENTER
DataTalker Owner’s Manual
Chapter 2 - Configuration
AT$D1 CR AT&W CR Q CR
ATDTNumber to DialN0 CR
To connect the home office DataTalker to its PC, connect an RS232C cable between the DATA/ COMMAND connector on the DataTalker and an async port on the PC typically, COM1 or COM2. Place DIP switch position 3 on the side of the DataTalker in the OPEN up position to enable the data channel
DataTalker Owner’s Manual
Chapter 2 - Configuration
2.3 Configuration 2 - MMH900 Series with Voice/Fax
Figure 2-2. Adding Voice to Data-Only Network
19200
DataTalker Owner’s Manual
Async
Echo
Configurations
Chapter 2 - Configuration
Composite Link Settings - Internal DSU
Speed
Figure 2-3. LAN to LAN Configuration
2.4 Configuration 3 - LAN to LAN
DataTalker Owner’s Manual
Chapter 2 - Configuration
DataTalker Owner’s Manual
ENTER
Chapter 2 - Configuration
The DataTalker knows the type of link device being used by the way a DIP switch is set or by detecting a device installed on the main PC board. In this configuration, a 56K bps internal DSU is used for the composite link device, so when the Composite Link Settings menu is displayed, it is for a DSU
Local Site
2.5 Configuration 4 - PBX to PBX
Remote Site
Figure 2-4. PBX to PBX Configuration
Chapter 2 - Configuration
The terminal adapter menu displays the transmit rate and option 2 allows you to configure the terminal adapter. Use option 2 Configure TA to access the terminal adapter’s built-in configuration menus refer to the ISDN Terminal Adapter Owner’s Manual for details. The Flush Time option is used only with an Alpha microcomputer or Wyse terminal. Enter S and press ENTER to store all configurations
DataTalker Owner’s Manual
Chapter 3 - Front and Rear Panel Descriptions
Data/Command Indicators
3.2 Indicators
Table 3-1. LED Indicators
3.1 Introduction
Chapter 3 - Front and Rear Panel Descriptions Voice/Fax Channels
Composite Link Status
28.8/56 28.8K bps/56K bps This composite link speed indicator displays the baud rate of the internal modem 28.8 or DSU 56K. The type of composite link device is indicated by which of the EXT, MDM, DSU, or TA indicators lights
3.3.2 POWER Connector
3.3 Connectors
3.3.1 Frame Ground Connector GND
3.3.3 DATA/COMMAND Connector
3.3.9 MODEM LEASED Connector
3.3.7 VOICE/FAX CHANNEL 1 E&M Connector
3.3.8 DSU/TA DIGITAL Connector
3.3.10 MODEM DIAL-UP Connector
3.4.2 Power Switch
3.4 Switches and Shunts
3.4.1 Front Panel Switches
Chapter 3 - Front and Rear Panel Descriptions
Position
3.4.3 DIP Switch
3.4.4 RS232C/V.35 Shunt
DataTalker Owner’s Manual
Chapter 4 - Unpacking and Configuration
DataTalker Owner’s Manual
4.1 Introduction
4.2 Unpacking
Figure 4-1. Unpacking
Chapter 4 - Unpacking and Configuration
4.3 Configuration Summary
4.4 Data Port Configuration Considerations
Connector
4.5 Voice/Fax Channel Configuration Considerations
DataTalker Owner’s Manual
4.6 Composite Link Configuration Considerations
Chapter 4 - Unpacking and Configuration
Table 4-1. Configuration Procedure
4.7 Configuration Procedure
DataTalker Owner’s Manual
Chapter 4 - Unpacking and Configuration
6 Apply power to the terminal or PC. Run your PC communications software in terminal mode. Press the ENTER key twice to establish communications with the DataTalker the Main Menu then appears
DataTalker Owner’s Manual
Voice/Fax Channel Configuration
Data Port Async/Sync 1 - Async 2 - Sync P - Previous Menu Selection
Chapter 4 - Unpacking and Configuration
Composite Link Configuration
Accept the defaults for the first five options
ATDTNumber Modem to DialN0 AT$D1 - DTR Dialing command
DataTalker Owner’s Manual
Chapter 4 - Unpacking and Configuration
DataTalker Owner’s Manual
Chapter 5 - Installation
DIP Switch
Table 5-1. Cabling Procedure
Step Procedure Composite Link
5.1 Introduction
ISDN Terminal Adapter
Chapter 5 - Installation MMH2834 Modem, Leased Line
Figure 5-3. Leased Line Connection DSU
Figure 5-4. DSU Line Connection
Voice/Fax Channel
External Modem, DSU, or ISDN Terminal Adapter
Data Channel
DataTalker Owner’s Manual
Figure 5-9. PBX Connection
Chapter 5 - Installation
Figure 5-10. PBX E&M Trunk Connection
5.3 V.35 Shunt
Table 5-2. V.35 Shunt Procedure
Step Procedure
DataTalker Owner’s Manual
Composite Link Device
5.4 Power-On and Checkout
Table 5-3. Power-On and Checkout Procedure
Chapter 5 - Installation
Composite Link
Composite link Data channel Voice/fax channel
Data Channel
Chapter 5 - Installation Voice/Fax Channel
DataTalker Owner’s Manual
Chapter 6 - Menus
6.1 Introduction
6.2 Configurations Menu
DataTalker Owner’s Manual
6.2.1 Data Port Configuration
Chapter 6 - Menus
Composite Link Facility
DataTalker Owner’s Manual
DataTalker A IN IN IN OUT OUT UT
DataTalker B 8 OUT 6 OUT 22 OUT 4 IN 20 IN 25 IN
6.2.2 Sync Data Port Configuration
Chapter 6 - Menus
Voice/Fax Channel 1 Configuration
6.2.3 Voice/Fax Channel Configuration
DataTalker Owner’s Manual
Configuration
Local
Remote
Configuration
Page
Composite Link Settings - Internal MMH2834
6.2.4 Composite Link Configuration
Chapter 6 - Menus
Selection
x - Enter the number of seconds0 is off P - Previous Menu
Composite Link Settings - Internal TA
Composite Link Settings - Internal 56K DSU
Chapter 6 - Menus
Selection
The Disconnect on Inactivity DOI Timer option signals the terminal adapter to hang up the composite link by dropping DTR to it when the timer expires. When the DOI Timer option is selected, a submenu is displayed in which you can enter the number of minutes that the inactivity timer is set for. The range of the timer in minutes is 01 to 99. The default setting for the timer is three minutes
Selection
DataTalker Owner’s Manual
x - Enter the number of minutes P - Previous Menu
Composite Link Settings - External Device
Chapter 6 - Menus
x - Enter the number of seconds0 is off P - Previous Menu
6.3 Statistics
DataTalker Owner’s Manual
Reset Options 1 - Reset Unit 2 - Reset Data and Voice/Fax Channels
6.4 Reset Options
6.5 Diagnostic Tests
3 - Reset Voice/Fax Channel 4 - Reset Voice/Fax Channel
Internal DSU Test
6.5.1 Loop Tests
Voice Loopback Test
External Device Test
6.6.1 MMV8/16/32 Configuration Options
6.6 Configure Remote Unit
Chapter 6 - Menus
Will this unit be installed at the main office? Y/N/Q
6.6.2 Quick Setup
Warning The memory test will destroy all stored configurtions
DataTalker Owner’s Manual
MMH2834 Modem Leased Line
Table 6-1. Main Office Installation
MMH2834 Modem Dial-up
Digital DSU
Configuration and installation is complete
DataTalker Owner’s Manual
Chapter 6 - Menus
Table 6-2. Home Office Installation
Step Procedure
MMH2834 Modem Dial-up
POWER
DATA/COMMAND Connector RS232 Cable
DataTalker Owner’s Manual
Chapter 7 - Troubleshooting
Receive Block Errors
7.1 Introduction
7.2 Importance of the Composite Link Statistics Report
Link Alarms
Chapter 7 - Troubleshooting
7.3 Test Cables
Data Channel
7.4 Troubleshooting Guide
DataTalker Owner’s Manual
Voice/Fax Channel
Problem
Table 7-1. Command Port Troubleshooting
Table 7-2. Composite Link Troubleshooting Internal DSU
Command port device not
Table 7-2. Composite Link Troubleshooting Internal DSU
Problem Composite link down with CD, CTS, XMT, RD and RCV LEDs on
Flashing RXT LED
Solution
Composite link down with CD, CTS, XMT, RCV and RD LEDs on
Problem Composite link down with CTS, XMT and RD LEDs on
Internal ISDN Terminal Adapter
Chapter 7 - Troubleshooting
Solution
Problem Composite link down with CTS, XMT, and RD LEDs on
Internal MMH2834 Modem
DataTalker Owner’s Manual
Flashing RXT LED Composite link down with CD, CTS and RD LEDs on
Solutions
External Composite Link Device
Chapter 7 - Troubleshooting
Async Data Channel
Table 7-3 Data Channel Troubleshooting
ProblemPossible CausesSolution
Sync Data Channel
Data throughput slows excessively when voice/fax channel is active
Table 7-4. Voice/Fax Troubleshooting
Volume levels not sufficient on local voice/fax channel
FXO to FXO configuration - local telephone does not ring
Problem
Table 7-4. Voice/Fax Troubleshooting continued
No communication on voice/fax channel
Solution
Chapter 7 - Troubleshooting
7.5 Composite Link Settings - Internal DSU
Table 7-5. Composite Link Settings - Internal DSU
Step Procedure
Step Procedure
7.6 Composite Link Settings - Internal ISDN Terminal Adapter
Table 7-6. Composite Link Settings - Internal ISDN Terminal Adapter
DataTalker Owner’s Manual
StepProcedure
7.7 Composite Link Settings - Internal Modem
Table 7-7. Composite Link Settings - Internal MMH2834
Chapter 7 - Troubleshooting
Step Procedure
7.8 Composite Link Settings - External Device
Table 7-8. Composite Link Settings - External Device
DataTalker Owner’s Manual
Chapter 7 - Troubleshooting
7.9 Composite Link Statistics
Table 7-9. Composite Link Statistics
Step Procedure
DataTalker Owner’s Manual
Chapter 7 - Troubleshooting
7.10Data Port Configuration
Table 7-10. Data Port Configuration
Step Procedure
Data Port Configuration
DataTalker Owner’s Manual
Chapter 7 - Troubleshooting
7.11 Voice/Fax Channel Configuration
Table 7-11. Voice/Fax Channel Configuration
Step Procedure
DataTalker Owner’s Manual
Chapter 7 - Troubleshooting
7.12Diagnostic Testing
Table 7-12. Diagnostic Testing
Step Procedure
DataTalker Owner’s Manual
Chapter 8 - Warranty, Service and Tech Support
8.1 Introduction
8.2 Limited Warranty
8.2.1 On-line Warranty Registration
DataTalker Owner’s Manual
ATTN SERVICE OR REPAIRS
8.3.2 Service
Chapter 8 - Warranty, Service and Tech Support
8.3 Tech Support
To Download a file
8.4 The Multi-Tech BBS
To log on to the Multi-Tech BBS
If you know the file name
Chapter 8 - Warranty, Service and Tech Support
8.5 About the Internet
ftp//ftp.multitech.com
DataTalker Owner’s Manual
Appendixes
CODE HEX
Appendix A - ASCII Conversion Chart
CTRL CODE HEX DEC
CODE
SIGNAL INFORMATION
Appendix B - RS-232C Interface Specification
Appendix B - RS-232C Interface Specification
SIGNAL
DataTalker Owner’s Manual
Appendix C - Cabling Diagrams
Channel Cables
To DCE Device
RS232C/V.24 Configured Composite Link
Appendix C - Cabling Diagrams
Composite Link Cabling
V.35 Adapter Cable Configured on a RS232C/V.35 Composite Link
1 2 3 4 5 6 7
1 2 3 4 5 6 7
DataTalker Owner’s Manual
RJ-48 Cable for Internal DSU
E&M Voice/Fax Channel Cable
Voice/Fax Channel Connectors
Wire
DSU Back-to-Back Cable
DATATALKER-INITIATED FLOW CONTROL
Appendix D - Flow Control Background
DataTalker Owner’s Manual
CHANNEL DEVICE INITIATED PACING
S0 Number of Rings Until Modem Answers
Appendix E - MMH2834 Modem S-Registers
Introduction
S6 Wait Time for Dial Tone
S11 Tone Dialing Tone Spacing and Duration
S13 Remote Configuration Escape Character
S19 Dial-Back Timer
S18 Automatic Leased Line Restoral
MMH2834 Command Summary
Appendix F - MMH2834 Modem Commands F.1 Introduction
Appendix F - MMH2834 Modem Commands
DESCRIPTION
COMMAND
TYPE
Negotiate V42 Mode During Handshake
Continuous Redial
F.2 Dialing Action Commands
Dial Command
A or
Set Pulse Dial Ratios &P
F.3 Dial Modifier Commands
Pulse or Tone Dial P
Automatic Pauses in Dialing
Flash On Hook
Wait for New Dialtone
Reverse the Mode of Operation R
“Calling Card” Detect Tones
D...N
F.4 Phone Number Memory Commands
Storing Phone Numbers
Number Linking
Loading Factory Defaults &F
F.5 Configuration and Default Storage Commands
Store Configuration & S-Register Params. in Non-Volitile Memory &W
Modem Reset
Result Codes Enable/Disable and No Response Answer
F.6 Command Response Result Code Commands
Echo Command Mode Characters
Result Codes “Multi-Tech” or “Standard AT”
TERSE
Result Codes Verbose/Terse
Result Codes Basic and Extended and Call Progress Selection
VERBOSE
DataTalker Owner’s Manual
X2 Looks for dial tone only and will not provide a busy response
Enable or Disable Recognition of Remote Digital Loop Signal
F.7 Phone Line Conditioning Commands
F.8 RS232C Interface Control Commands
Enable/Disable Trellis Coded Modulation
Auto-Reliable Buffering
F.9 Error Correction Commands
V.42 Mode Select
DataTalker Owner’s Manual
Retransmit Count
Enable/Disable Auto-Reliable Fallback Character
V.42 Error Correction/300bps
Appendix F - MMH2834 Modem Commands
Data Compression
F.10 Compression and Maximum Block Size Commands
Maximum Block Size
Modem Baud Rate $MB
F.11 Speed Conversion Commands
Speed Conversion $BA
AT$MB28800
= 115,200 bps
Serial Port Baud Rate
AT$SB115200
DataTalker Owner’s Manual
Inquiry for Product Code
F.12 Immediate Action Commands
Help Screens $H
Listing Current Operation Parameters L5, L7
ATL8
Listing On-Line Diagnostics
DataTalker Owner’s Manual
Glossary
Glossary
DataTalker Owner’s Manual
Circuit Any closed path through which electrical current can flow
Glossary
De facto standards A de facto standard is one of two types of voluntary standards recognized by a given market. It is introduced by a single vendor and becomes a standard by its widespread use and acceptance by other vendors. AT&Ts Bell 212A, IBMs Binary Synchronous Protocol or DECs VT-100 terminal protocol are examples of de facto standards. Compare with de jure standards
DataTalker Owner’s Manual
1. The way text is set up on a page
Format
Node Any point within a network which has been assigned an address
Glossary
P Parameter
RJ-45 An 8-wire modular connector for voice and data circuits
DataTalker Owner’s Manual
UTP unshielded twisted pair Telephone-type wiring V
Threshold A value or condition which, when reached, triggers an event
Glossary
Index
Symbols
DataTalker Owner’s Manual
Index
Troubleshooting
DataTalker Owner’s Manual