DSX-1 telephony interface

Feature

Specification

Interface

ANSI T1.102, T1.403

Framing

D4, ESF

Line code

AMI

Zero bits

Selectable B8ZS, jammed bit (ZCS) or no zero code suppression

Alarm signal capabilities

Yellow and red

Counts

Bipolar violation, F(t) error, and CRC error

Loopback

Per channel and overall under software control. Automatic remote loopback with CSU option.

Connectors

One RJ-48T connector

Maximum cable length

655 feet of 22 AWG twisted pair