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2744-01 T1 Interface

  
The 2744-01 T1 Interface receives T1 data and converts it to RS-422 clock and data and simultaneously receives RS-422 clock and data and converts it to T1 data. A 3-position DIP switch selects line lengths from 0 to 655 feet. The unit provides B8ZS/AMI encoding and decoding. It connects to DSX-1 cross connects and the RS422 interface.

 


 2744-01 T1 Interface Chassis and Rear Panel

Equipment Specifications*
 

Inputs/Outputs
Impedance, T1
Impedance, RS-422
Data Rate		 100 ohms (per ANSI T1.403)
terminated (120 ohms) or unterminated
1.544 Mbps
Signal
Encoding/Decoding
Line Length Select		 B8ZS/AMI
0 to 655 feet, DIP switch selectable
Indicators
T1 Data Red LED lights on loss of T1 receive signal (when 175 consecutive zeros have been detected; normal when a 12.5% ones density signal returns)
Other
Connectors
Size, Bench Top
Size, Rack Mount
Power		 RJ-45
4.7"W X 1.75"H X 12.5"D
(-R) 19 inch standard chassis, 1.75"H X 13"D
120 ± 10% VAC, 60Hz, 20W max, wall power supply

*+10 to +40 degrees C; 2000m max elevation; 80% humidity; Specifications subject to change without notice