Interface Terminal: V.35 with the following signals: Transmit Data, Transmit Timing, Receive Data, Receive Timing, External Timing, Request to Send, Clear to Send, Data Set Ready, Data Carrier Detect, Data Terminal Ready
Interface Line: HDSL compatible, Full Duplex Signal Format, Synchronous, 2B1Q Line Coding
Connectors: Terminal Interface - DB25 female Connector; Line Interface - RJ-45, Supervisory interface - DB9 female
Data Rate:
Model 681 - T1, 1.544 MBPS (± 100 ppm)
Model 682 - E1, or 2.048 MBPS (± 100 ppm)
Operating Distance: 3 miles on 22 AWG wire
Power: 110 Volts, 60 Hz; 220 Volts, 50 Hz via wall mounted adapter
Size: 6.75" W x 2" H x 9" D
Environment: 0° to 50°C, 0% to 95%RH