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DCB 202T 4-wire Private Line Modem

The 202T modem operates at 0 to1200 bps asynchronous, with FSK modulation. It uses the latest DSP modem circuitry to insure excellent performance and future availability.

  • Full duplex to 1200 bps
  • Asynchronous RS-232
  • 4-wire, full duplex line application
  • 900 Hz soft carrier turn off
  • Anti-streaming
  • Standalone or rack mount
  • High stability transmit and receive frequency
  • Ruggedized for full temperature range
  • Quiet multi-layer board
  • Fully compatible with other 202T's

FEATURES
DESCRIPTION
SPECIFICATIONS

General
Indicators
Switches
Physical and Electrical

HOW TO ORDER

FEATURES
DESCRIPTION

The 202T modem operates at 0 to1200 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 and an anti-streaming option. 7.25" half card size, standalone and custom OEM board configurations are available. The pc card version uses the internal PC ISA bus only for power from the pc bus. The PC card fits into a 20 slot rack mount chassis that is only 7" high. The phone line connector is an RJ-11 for 4-wire leased line operation. Transmit is on positions 2 and 3, receive 1 and 4 of the 4 position RJ-11connector. The modem has a push/push switch for local digital loop on or off. The loopback switch is located on the rear of the unit, next to the DB-25 terminal connector.
SPECIFICATIONS
General
Modem Digital Interface
Controls and Indicators
Physical and Electrical
Switches
OPTION SWITCH SETTINGS 
Switch				DOWN			UP
1 - Reset			Toggle Up/Down	
2 - Anti-streaming		Off			On	
3 - RTS/CTS delay		12 ms			20 ms
4 - RTS control		Forced on		Controlled by Terminal	
5 - Soft Carrier Turnoff	Off			On
6 - Reserved			-			-
7 - Transmit Level		-16 dB			0 dB
6 - Loopback			Off			On

APPLICATION
Standalone rack fixture - 18.95" x 1.5" high Single Unit Rack Mounts

How to Order

Part #

202T-SA 202T Modem - Standalone
202T-R 202T Modem - Rackmount
20S Rack 20 Slot Rack w/ power supply
1U Rack Rack mount 1 unit wide
1U Rack-3 Rack mount 3 units wide
 

DCB Products

     

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