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V.23 ASYNC Modem
TABLE OF CONTENTS
SECTION 1 - DESCRIPTION .......................................................................... 2
SECTION 2 - SPECIFICATIONS .................................................................... 3
SECTION 3 - INSTALLATION ........................................................................ 5
SECTION 4 - CONTROLS AND INDICATORS ............................................ 6
SECTION 5 - INTERFACE SIGNALS AND CABLES ................................. 7
SECTION 6 - TROUBLESHOOTING ............................................................ 8
SECTION 7 - WARRANTY................................................................................ 9
NOTICE
The PC card modem meets the applicable Industry Canada Terminal
Equipment Technical Specifications. This is confirmed by the registration
number. The abbreviation, IC, before the registration number signifies that
registration was performed based on a Declaration of Conformity indicating
that Industry Canada technical specifications were met. It does not imply
that Industry Canada approved the equipment.
The RINGER EQUIVALENCE NUMBER (REN) for this terminal equipment
is Not Applicable. The REN assigned to each terminal equipment provides an
indication of the maximum number of terminals allowed to be connected to a
telephone interface. The termination of an interface may consist of any
combination of devices subject only to the requirement that the sum of the
Ringer Equivalence Numbers of all the devices does not exceed five (5.0).
Data Comm for Business, Inc.
PO Box 6329
Champaign, IL 61826-6329
October 23, 2015
(217) 897-6600
Firmware Version: 1.8
www.dcbnet.com
8500123
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Table of Contents
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Summary of Contents for DCB V.23
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Page 1: Table Of Contents
V.23 ASYNC Modem TABLE OF CONTENTS SECTION 1 - DESCRIPTION ................2 SECTION 2 - SPECIFICATIONS ..............3 SECTION 3 - INSTALLATION ................ 5 SECTION 4 - CONTROLS AND INDICATORS ..........6 SECTION 5 - INTERFACE SIGNALS AND CABLES ......... 7 SECTION 6 - TROUBLESHOOTING ............ -
Page 2: Section 1 - Description
DESCRIPTION The V.23 modem operates at 0 to 1200 bps asynchronous, with FSK modulation. It uses the latest DSP modem circuitry to insure excellent performance and future availability. It has 900 hz soft carrier turn off for multidrop applications and an anti-streaming option. -
Page 3: Section 2 - Specifications
SPECIFICATIONS Modem Analog full duplex, 4-wire, 600 ohm balanced, Frequency Shift Keying Mark-1300 hertz, Space-2100 hertz Speed: 0 to 1200 bps ASYNC Transmit level: 0 or -16 dBm Receive range: 0 to - 42 dBm Carrier turn-on time: less than 20 ms 900 Hertz Soft Carrier Turn-Off for multidrop operation Switched carrier or constant carrier operation (RTS forced on or terminal controlled) - Page 4 Environmental -35 to 70° C, 0 to 95% relative humidity, non-condensing Physical / Electrical Stand Alone 5.5W x 7.375D x 1.5H 110VAC wall mount power supply, 12VDC, 500ma output Optional 240VAC, +12VDC, +24VDC, -48VDC or +125VDC power supplies available PC Card half card, 7.25D x 4.25H ISA bus format PC bus is used for power and ground only...
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Page 5: Section 3 - Installation
INSTALLATION Unpacking The following is included with each unit: Unit and external power supply • Cable for connection to phone line • Manual • Information regarding warranty, maintenance contracts and • repair Location Place the unit in a clear area where you can see the front panel indicators and reach the rear panel to connect the cables. -
Page 6: Section 4 - Controls And Indicators
CONTROLS AND INDICATORS Controls 4.1.1 DIP Switches The option DIP switches are located on the front of the unit. The switch functions are as follows: Switch DOWN 1 Reset 2 Anti-Streaming 3 Phase Equalizer 4 Carrier Constant RTS controlled 5 Soft Carrier Turn-off disabled enabled 6 Line Type... -
Page 7: Section 5 - Interface Signals And Cables
INTERFACE SIGNALS AND CABLES Interface RS-232 Port, DB-25S Signal In/Out Frame Ground ------ Transmit Data Receive Data Request to Send Clear to Send Data Set Ready Signal Ground ------ Data Carrier Detect TELCO, RJ-11 Signal Color In/Out Receive Tip Black Transmit Ring Transmit Tip Green... -
Page 8: Section 6 - Troubleshooting
4. If you change anything, change only one thing at a time. 5. Use the built-in test functions, especially the loopback tests. Record your results. Assistance If you need assistance troubleshooting your system, contact DCB customer support at (217) 897-6600 between 8:00 am and 5:00 pm central time Monday through Friday. -
Page 9: 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.
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