Juniper Networks M20 manual Channelized DS3 IQ PIC, Adtran

M20 Internet Router PIC Guide

Channelized DS3 IQ PIC

Software release	■	JUNOS 5.6 and later
Description	■	Four DS3 ports
	■ Power requirement: 0.32 A @ 48 V (15.6 W)
	■ Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface
	■	Channelization: DS3, DS0
Hardware features	■	Data service unit (DSU) functionality
	■	Subrate and scrambling:
		■	Digital Link/Quick Eagle
		■	Kentrox
		■	Larscom
		■	ADTRAN
		■	Verilink
	■	B3ZS line encoding
	■ M13 or C-bit parity
	■ Full bit error rate test (BERT)
	■ Local and remote loopback testing
Software features	■	Quality of service (QoS) per channel: weighted round-robin (WRR), random early detection
		(RED), weighted random early detection (WRED)
	■ Simple Network Management Protocol (SNMP): DS1 MIB, DS3 MIB
	■ Dynamic, arbitrary channel configuration
	■	Encapsulations:
		■ High-Level Data Link Control (HDLC)
		■	Frame Relay
		■ Circuit cross-connect (CCC)
		■ Translational cross-connect (TCC)
		■ Point-to-Point Protocol (PPP)
Cables and connectors	■	Standard DS3 BNC coaxial cable interfaces

22■ Channelized DS3 IQ PIC