DSX-1 telephony interface

Feature

Specification

Interface

ANSI T1.102, T1.403

Framing

D4, ESF

Line code

AMI, B8ZS

Zero bits

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

Alarm signal capabilities

Loss of signaling multiframe alignment and loss of CRC multiframe alignment (red), remote alarm and remote multiframe alarm (yellow), alarm indication signal (AIS)

Counts

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

Loopback

Per channel and overall under software control.

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