M20 Internet Router PIC Guide

DS3 PIC

Software release

JUNOS 3.1 and later

Description

Four DS3 ports

 

Power requirement: 0.47 A @ 48 V (22.5 W)

 

Integrated DSU interoperability with leading DSU vendors

Hardware features

High-performance throughput on each port at speeds up to 44.736 Mbps, full duplex

 

C-bit framing

 

B3ZS line encoding

 

Subrate and scrambling:

 

 

Digital Link

 

 

Kentrox

 

 

Larscom

 

Per-port rate policing on input

 

Per-port rate shaping on output

 

Packet buffering, Layer 2 parsing

Software features

DS3 functionality:

 

 

C-bit framing

 

 

B3ZS line encoding

 

DS3 diagnostics and loopback control

 

DS3 alarm and event counting and detection

 

Per-packet counts and byte counts

 

Local and remote loopback testing, as well as BERT testing per DS3

 

DS3 far-end alarm and control (FEAC) channel support

 

Encapsulations:

 

 

High-Level Data Link Control (HDLC)

 

 

Frame Relay

 

 

Circuit cross-connect (CCC)

 

 

Point-to-Point Protocol (PPP)

Cables and connectors

Custom 10-ft (3.05-m) posilock SMB to BNC male cable, separate Rx and Tx (provided)

36DS3 PIC

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Juniper Networks M20 manual DS3 PIC