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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 - TRO
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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). This information must be provided to the telephone company. FCC Registration No: US:5FWM503BDSERIES FIC: 02LS2 SOC: 9.0Y USCC Jack: RJ11C 2.
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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. 7. No repairs are to be made by you. Repairs are to be made only by Data Comm for Business or its licensees. Unauthorized repairs void registration and warranty. 8. This equipment ca
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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. Applications for the D56 modem include those industrial applications where rack mounting is required, a metal enclosure is required, or where the power source avai
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Front and Rear Views 5
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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 2.1.4 Physical/Electrical Power requirements: 9 VDC, 500 ma Supports 9 to 18 VDC external power on 2.5mm x 5.5 mm power connector Options available for 24 or 48 VDC external power Rack mount bezel available for 1, 2 or 3 units per 1U rack height Size:
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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 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. This modem is country specific. Refer to the +GCI command in the Command Reference for the correct setting for your location. The d
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4. FRONT PANEL INDICATORS 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 data from the far end DTR ON DTR is asserted by the attached DTE device DCD ON Modem carrier is asserted 8
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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 Data Carrier Detect OUT 20 Data Terminal Ready IN 9
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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. 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. Use this as a reference to note your observations, test steps and test results. A picture keeps you focu
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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. This warranty is exclusive of abuse, misuse, accidental damage, acts of God or consequential damages, etc. DCB liability shall not exceed the original purchase price. All equipment returned for repair must be accompanied by a Returned Ma
