CEPT E1 G.703 telephony interface

Specification

G.703 2048 kbit/s trunk interface

Framing

CEPT G.703/G.704 channel associated signaling

Signaling capabilities

ABCD bits for channel associated signaling and HDLC/LAPD for generating/terminating data link

Line code

HDB3 (in zero code suppression) or AMI

Alarm signal capabilities

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

Counts

Bit error rate, CRC errors, slips, line code violations, far-end block errors

Loopback

Per channel and across channels under software control

Interfaces

Four trunks: Two Dialogic® MD1 RJ-45 interfaces, each with two trunks