CTC Union FMUX04 Manuel d'utilisateur télécharger pdf (Page 10)

Chapter 1. Introduction

1-4 Multiplexer Unit : Apr 2003

1.3 Technical Specifications

E1 Link

Framing Unframed (transparent)

Bit Rate 2.048 Mbps

Line Code AMI

HDB3

Line Impedance Unbalanced 75 ohms (BNC)

Balanced 120 ohms (RJ-45)

Receiver sensitivity -20dB

"Pulse" Amplitude Nominal 2.37V?10% for 75 ohms

Nominal 3.00V?10% for 120 ohms

"Zero" Amplitude ?0.3V

Transmit Frequency Tracking

Internal Timing

(w/external clock card option)

?30 ppm

Jitter Performance According to ITU-T G.823

Complies With ITU-T G.703, G.706 and G.732

Interface Connectors RJ-45

BNC

Test Loops LLB (Local Loop Back)

NELB (Near End Loop Back)

RLB (Remote Loop Back)

RRLB (Request Remote Loop Back)

T1 Link

Framing Unframed (transparent)

Bit Rate 1.544 Mbps

Line Code AMI

B8ZS

Line Impedance Balanced 100 ohms (RJ-45)

Receiver sensitivity -20dB

"Pulse" Amplitude Nominal 3.00V?10% for 100 ohms

"Zero" Amplitude ?0.3V

Transmit Frequency Tracking

Internal Timing

(w/external clock card option)

?30 ppm

Jitter Performance According to ITU-T G.824

Complies With ITU-T G.703, G.706 and G.733

Interface Connectors RJ-45

Test Loops LLB (Local Loop Back)

NELB (Near End Loop Back)

RLB (Remote Loop Back)

RRLB (Request Remote Loop Back)

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