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D-Series
Dial-Up Modem
TABLE OF CONTENTS
SECTION 1 - DESCRIPTION.......................................................................2
SECTION 2 - SPECIFICATIONS.................................................................4
SECTION 3 - INSTALLATION.....................................................................5
SECTION 4 - FRONT PANEL INDICATORS ............................................9
SECTION 5 - INTERFACE SIGNALS .......................................................10
SECTION 6 - TROUBLESHOOTING .......................................................11
SECTION 7 - WARRANTY ..........................................................................12
Data Comm for Business, Inc.
807 Pioneer Street
Champaign, IL 61820
Revision Date: November 4, 1999
217-352-3207
8500073
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Summary of Contents for DataComm D14.4
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Page 1: Table Of Contents
D-Series Dial-Up Modem TABLE OF CONTENTS SECTION 1 - DESCRIPTION...............2 SECTION 2 - SPECIFICATIONS..............4 SECTION 3 - INSTALLATION..............5 SECTION 4 - FRONT PANEL INDICATORS ..........9 SECTION 5 - INTERFACE SIGNALS ............10 SECTION 6 - TROUBLESHOOTING ............11 SECTION 7 - WARRANTY ................12 Data Comm for Business, Inc. -
Page 2: Section 1 - Description
DESCRIPTION Description The DCB Dial-Up modem is available in 14.4, 33.6, or 56 Kbps (V.90) versions. The case, connectors, power supply and lights are the same for all three versions. The modem can be powered by an external AC wall mount power supply, or by an optional internal 24, or 48 volt DC supply. - Page 3 D33.6 Front and Rear Views...
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Page 4: Section 2 - Specifications
Specifications 2.1.1 General Three model options, (14.4, 33.6 or 56 Kbps) 14.4 model – D14.4 33.6 model – D33.6 56K model – D56 For special power options, add the suffix -24 or -48 for 24 or 48 volt DC power 2.1.2... -
Page 5: Section 3 - Installation
INSTALLATION Unpacking The following is included with each D Series Modem: • Modem and external 120 VAC power supply • Cable for connection to phone line • Manual • Information regarding warranty, maintenance contracts and repair Setup For Use With SR Series Multiplexers To configure your SR Multiplexers to work with external DCB dial- up modems first connect the modems to the multiplexers using the Modem to Composite cable supplied. - Page 6 HOST MULTIPLEXER AT YOUR COMMAND >> CN<Enter> CONFIGURE NETWORK ------------------------------- SYNC MODEM LEASED LINE ERROR CORRECTION ON SYNC or ASYNC modem? [S/A] >> A<Enter> ASYNC rate? [9600 / 19200 / 38400 / 57600 / 115200] >> 57<Enter> Leased or Dialup Line? [L/D] >> D<Enter> Enable Error Correction? [Y/N] >>...
- Page 7 REMOTE MULTIPLEXER AT YOUR COMMAND >> CN<Enter> CONFIGURE NETWORK ------------------------------- SYNC MODEM LEASED LINE ERROR CORRECTION ON SYNC or ASYNC modem? [S/A] >> A<Enter> ASYNC rate? [9600 / 19200 / 38400 / 57600 / 115200] >> 57<Enter> Leased or Dialup Line? [L/D] >> D<Enter> Enable Error Correction? [Y/N] >>...
- Page 8 Setup For Use With DCB Access Switch To configure your Access Switch to work with the external DCB dial- up modem first attach the modem to input port 1 (1 IN DTE) using the Modem to Composite cable provided. Next attach a terminal or PC to input port 2 (2 IN-DTE) using the green cable and the appropriate adapter.
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Page 9: Section 4 - Front Panel Indicators
FRONT PANEL INDICATORS Indicators Indicator Condition Meaning Power Power is supplied to the modem Flickering Modem is sending data to the far end Flickering Modem is receiving data from the far end DTR is asserted by the attached DTE device Modem carrier is asserted... -
Page 10: Section 5 - Interface Signals
INTERFACE SIGNALS DTE Port Interface Signal In/Out Frame Ground Transmit Data Receive Data Request to Send Clear to Send Data Set Ready Signal Ground Data Carrier Detect Data Terminal Ready... -
Page 11: Section 6 - Troubleshooting
TROUBLESHOOTING General Approach When troubleshooting problems, a rational plan can save you many hours of frustration. The following is a brief outline of standard troubleshooting procedures. 1. Gather the facts to determine the exact nature of the problem. 2. Draw a picture of the system showing the equipment at both the host and remote ends and the phone lines or in-house wiring. -
Page 12: Section 7 - Warranty
WARRANTY DCB modems are warranted to be free of defects in materials and workmanship for two years. Data Comm for Business, Inc. will repair or replace any equipment proven to be defective within the warranty period. All warranty work is F.O.B. Champaign, IL. This warranty is exclusive of abuse, misuse, accidental damage, acts of God or consequential damages, etc.
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