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

Two Dialogic® MD1 RJ-45 interfaces that can support up to four 120 ohm RJ-48C trunk connectors (using two dual T1/E1 trunk adapter cables).

Maximum cable length

655 feet of 22 AWG twisted pair