Datacom Systems D56 User Manual Download Page 8 | Manualshive

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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

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Summary of Contents for D56

Page 1: ...N 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 ...

Page 2: ... REN s on a telephone line may result in the devices not ringing in response to an incoming call In most but not all areas the sum of REN s should not exceed five 5 0 To be certain of the number of devices that may be connected to a line as determined by the total REN s contact the local telephone company The REN for this product is part of the FCC registration number that has the format US AAAEQ ...

Page 3: ...ipment requiring AC power should consider using a surge arrestor Telephone companies report that electrical surges typically lightning transients are very destructive to customer terminal equipment connected to AC power sources FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class A computing device P...

Page 4: ...Applications for the D56 modem include those industrial applications where rack mounting is required a metal enclosure is required or where the power source available is DC rather than an AC wall outlet 1 1 Features Metal enclosure Stand alone or rack mounting Two wire dial up modem DB 25 serial asynchronous interface LED s for Power TxD RxD DTR DCD Ideal for remote data collection applications SC...

Page 5: ...5 Front and Rear Views ...

Page 6: ...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 5 75 x 1 45 x 5 5 Weight one pound Temperature 40 to 70 C ...

Page 7: ...anual 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 default is United States ...

Page 8: ...or 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 ...

Page 9: ...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 ...

Page 10: ... 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 focused and often saves duplicate effort 3 Record the front panel indications before changing anything This is an important part of fact gathering 4 If you change anything change only one thing at a t...

Page 11: ...al damages etc DCB liability shall not exceed the original purchase price All equipment returned for repair must be accompanied by a Returned Material Authorization RMA number To receive an RMA number call 217 897 6600 between the hours of 8 AM and 5 PM central time Equipment must be shipped prepaid to DCB and will be returned at DCB s expense Ship returned items to Data Comm for Business 2949 CR ...

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