Juniper Networks M20 manual DS3 PIC

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)

36■ DS3 PIC