FCD-IPMInstallation and Operation ManualChapter 1 Introduction

1.4

Technical Specifications

E1 Link Interface

Framing Options

256N (no MF, CCS)

 

 

256N (no MF, CCS) with CRC-4

 

 

256S (TS16 MF, CAS)

 

 

256S (TS16 MF, CAS) with CRC-4

 

Bit Rate

2.048 Mbps

 

Line Code

AMI

 

Zero Suppression

HDB3

 

Line Impedance

Balanced interface: 120

 

 

Unbalanced interface: 75

 

Signal Levels

Receive level:

 

 

FCD-IPM with LTU: 0 to –30 dB

 

 

FCD-IPM without LTU: 0 to –12 dB

 

 

Transmit level:

 

 

Balanced interface: ±3V ±10%

 

 

Unbalanced interface: ±2.37V ±10%

 

Jitter Performance

As per ITU-T Rec. G.823

 

Connectors

Balanced interface: RJ-48c 8-pin connector

 

 

Unbalanced interface: Two BNC coaxial

 

 

connectors

 

Compliance

ITU G.703, G.704, G.706, G.732

 

Diagnostics

User activated local and remote loopbacks

T1 Link Interface

Framing Options

D4

 

 

ESF

 

Bit Rate

1.544 Mbps

 

Line Code

AMI

 

Zero Suppression

Transparent

 

 

B7ZS

 

 

B8ZS

 

Impedance

Balanced: 100

Technical Specifications

1-11

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RAD Data comm Modular Access Device with Integrated Router, E1/T1 Zero Suppression, Unbalanced interface Two BNC coaxial