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T1/E1 Interfaces

Parameters

T1

E1: Balanced

Line Rate

1544 Kbps +/- 20 ppm

2048 Kbps +/- 20 ppm

Line Code

AMI and B8ZS

HDB3

Framing

D4 (Super Frame) and ESF (Extended Super Frame)

Basic Frame

Cable

STP 120

STP 120

Input Sensitivity

0.3V p-p

0.3V p-p

Jitter and Wander Performance

In accordance with GR-1244-CORE

In accordance with ITU-T G.703

Reference Specification

GR-1244-CORE

ITU-T G.703, ITU-T G.823

Over-voltage protection is not provided in the VX system. The VX system is not intended for use with outside wiring. Interlace grounding is provided by the chassis ground where applicable.


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