Model 253 Specifications  
 
 

Interface: COM PORT Complies with RS-232 for signal levels and PC Com Port for connector type and pin assignment. RS-422 Port complies with RS-422 for signal levels and phasing.

Data Rate: 0-19.2KBPS

Operating Distance: 8,000 feet

COM PORT Transmission Controls: CTS (Pin 8 turns on immediately after the PC raises RTS (Pin 7); DSR (Pin 6) and DCD (Pin 1) turn on immediately after PC raises DTR (Pin 4).

Connectors: PC side-DB9 Female 422 side - Screw terminals, RJ-11 or RJ-45, ordering option

Power: None required, uses TD as power source.

Size: .85" H (21.6 mm) x 1.3" W (33mm) x 3" L (76.2mm)

Weight: 0.8502 (29 gm)

Environment: 0 to 50 C, 0% to 95% RH

MTBF: 693,000 Hours (79 Years)

 

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