Instruction/ maintenance manual of the product D56 Datacom Systems
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8500073 D56 Modem TABLE OF CONTENTS SECTION 1 - DESCRIPTION ....................................................................... 4 SECTION 2 - SPECIFICATIONS ................................................................. 6 SECTION 3 - INSTALLATION .
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.
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.
4 1. DESCRIPTION 1.0 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.
5 Front and Rear Views.
6 2. SPECIFICATIONS 2.1 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.
7 3. INSTALLATION 3.1 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 w.
8 4. FRONT PANEL INDICA TORS 4.1 Indicators Indicator Condition Meaning Power ON Power is supplied to the modem TxD Flickering Modem is sending data to the far end RxD Flickering Modem is receiving da.
9 5. INTERFACE SIGNALS 5.1 DTE Port Interface Pin Signal In/Out 1 Frame Ground 2 Transmit Data IN 3 Receive Data OUT 4 Request to Send IN 5 Clear to Send OUT 6 Data Set Ready OUT 7 Signal Ground 8 Dat.
10 6. TROUBLESHOOTING 7.1 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.
11 7. 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.
An important point after buying a device Datacom Systems D56 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Datacom Systems D56 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Datacom Systems D56 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Datacom Systems D56 you will learn all the available features of the product, as well as information on its operation. The information that you get Datacom Systems D56 will certainly help you make a decision on the purchase.
If you already are a holder of Datacom Systems D56, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Datacom Systems D56.
However, one of the most important roles played by the user manual is to help in solving problems with Datacom Systems D56. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Datacom Systems D56 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
