V.23 4-Wire Private Line Analog Synchronous/Asynchronous Modem


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  • Full duplex to 1200 bps
  • Asynchronous or synchronous RS-232/V.24
  • 4-wire, full duplex line application
  • Standalone or rack mount
  • High stability transmit and receive frequency
  • Ruggedized for full temperature range
  • Quiet multi-layer board
  • Fully compatible with other V.23 modems

FEATURES
DESCRIPTION
SPECIFICATIONS

General
Indicators
Switches
Physical and Electrical
Download a copy of the manual.

HOW TO ORDER

Looking for a 2-wire asynchronous ony modem?
Check out our V.23 asynchronous 2-wire/4-wire model.
Click here.

FEATURES

DESCRIPTION

The V.23 modem operates at 600 and 1200 bps, synchronous or synchronous, with V.23 modulation. It accepts external transmit clock on pin 24 of the DTE connector or generates internal clock. It is now available in a full 13.5" PC ISA card, 7.25" half card size, and standalone configuration. The pc card uses the internal PC ISA bus only for power from the pc bus. The phone line connector is an RJ-11 for 4-wire leased line operation. Standard leased line wiring with transmit is on positions 2 and 3, receive 1 and 4 of the 4 position RJ-11 connector.

The modem has a push/push switch for local digital loop on or off. The DIP switch is located on the PC card and is accessible behind the front panel of the standalone modem. The loopback switch is located on the rear of the unit, next to the DB-25 terminal connector.

This modem is compatible with other V.23 modems, and features high stability transmit and receive frequency circuitry, and a large dynamic range.


SPECIFICATIONS
General
Modem Digital Interface
Controls and Indicators
Physical and Electrical
Switches
OPTION SWITCH SETTINGS 
Switch                        DOWN                        UP
1 - N/A
2 - Speed                1200                        6s00        
3 - RTS/CTS delay        4 ms                        8 ms
4 - Carroer                Constant                RTS Controlled         
5 - Clocking                Internal                External Pin 24 input        
6 - Transmit Level        See table
7 - Transmit Level        See table
8 - Digital Loop           Loop On                        Loop Off

    


APPLICATION
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20 slot rack chassis - 19"W x 16"D x 7"H
Standalone rack fixture - 18.95" x 1.75" high
Single, Triple Unit Rack Mounts

How to Order

Need it fast?  Buy on-line or call toll free 800-432-2638!

Item Number Description Price Buy Now!
V23-Synch-SA V.23 Synchronous Modem - Standalone w/ 110VAC wall mount supply $ 495 Qty:
V23-Sync-R V.23 Modem - Rackmount $ 395 Qty:
DCBL1 20 Slot Rack w/ power supply $ 1500 Qty:
9902096 19" Rack Bezel 1 unit wide $ 15 Qty:
9902095 19" Rack Shelf 3 units wide $ 75 Qty:
V23-12VDC 9-18 VDC external power supply option $ 75 Qty:
V23-24VDC 18-36 VDC input external power supply option $ 75 Qty:
V23-48VDC 36-72 VDC external power supply option $ 75 Qty:
V23-125VDC 125 VDC external power supply option $ 125 Qty:

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