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Datacom Systems D56 User Manual

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D56 Modem

TABLE OF CONTENTS

SECTION 1 - DESCRIPTION....................................................................... 4
SECTION 2 - SPECIFICATIONS ................................................................. 6
SECTION 3 - INSTALLATION..................................................................... 7
SECTION 4 - FRONT PANEL INDICATORS.............................................. 8
SECTION 5 - INTERFACE SIGNALS .......................................................... 9
SECTION 6 - TROUBLESHOOTING ........................................................ 10
SECTION 7 - WARRANTY......................................................................... 11
Data Comm for Business, Inc.
PO Box 6329
Champaign, IL 61826-6329
October 21, 2003
(217) 897-6600
www.dcbnet.com
8500073

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Summary of Contents for Datacom Systems D56

  • Page 1: Table Of Contents

    D56 Modem TABLE OF CONTENTS SECTION 1 - DESCRIPTION............... 4 SECTION 2 - SPECIFICATIONS ..............6 SECTION 3 - INSTALLATION..............7 SECTION 4 - FRONT PANEL INDICATORS..........8 SECTION 5 - INTERFACE SIGNALS ............9 SECTION 6 - TROUBLESHOOTING ............10 SECTION 7 - WARRANTY.................
  • Page 2 FCC REGULATIONS REQUIRE THAT THE FOLLOWING INFORMATION BE PROVIDED TO THE CUSTOMER: 1. This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA. On the bottom of this equipment is a label that contains, among other information, the FCC registration number, Facility Interface Code (FIC) and Service Order Code (SOC).
  • Page 3 6. If trouble is experienced with this equipment or for repair or warranty information, please contact Data Comm for Business in the USA at 800- 432-2638. If this equipment is causing harm to the network, the telephone company may request you to remove the equipment from the network until the problem is resolved.

  • Page 4: Section 1 - Description

    DESCRIPTION Description The DCB D56 modem is a 56 Kbps (V.90) dial-up modem. The modem can be powered by an external AC wall mount power supply, or by an optional internal 24, or 48 volt DC supply. A rack front is available for the metal case, so it can be easily rack mounted with one, two or three modems per 1U rack height.
  • Page 5 Front and Rear Views...

  • Page 6: Section 2 - Specifications

    SPECIFICATIONS Specifications 2.1.1 General 56K model – D56 For special power options, add the suffix 24 or 48 for 24 or 48 volt DC power 2.1.2 Front Panel Indicators Power, TxD, RxD, DTR, DCD 2.1.3 Controls AT command set included on disk 2.1.4 Physical/Electrical Power requirements: 9 VDC, 500 ma...

  • Page 7: Section 3 - Installation

    INSTALLATION Unpacking The following is included with each D56 Modem: Modem and external 120 VAC power supply Cable for connection to phone line Manual Information regarding warranty, maintenance contracts and repair NOTE Please refer to the Command Reference file on the enclosed disk for proper commands to configure the modem for your application.

  • Page 8: 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 9: 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 10: 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 11: 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. Dewey, IL. This warranty is exclusive of abuse, misuse, accidental damage, acts of God or consequential damages, etc.