Juniper Networks M20 manual Channelized OC12 IQ PIC

M20 Internet Router PIC Guide

Channelized OC12 IQ PIC

Software release	■	JUNOS 5.6 and later
Description	■	One OC12 port
	■ Power requirement: 0.23 A @ 48 V (10.8 W)
	■ Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface
	■ Channelization: OC3, DS3, DS1, DS0
Hardware features	■	Subrate and scrambling:
		■	Digital Link/Quick Eagle
		■	Kentrox
		■	Larscom
		■	ADTRAN
		■	Verilink
	■ Packet buffering, Layer 2 parsing
	■ M13/C-bit parity encoding
	■ DS3 far-end alarm and control (FEAC) channel support
	■ 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): OC3 MIB, DS3 MIB, T1 MIB
	■ Dynamic, arbitrary channel configuration
	■ Full bit error rate test (BERT)
	■	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	■	Duplex SC/PC connector (Rx and Tx); single-mode fiber

■ Optical interface support—See Table 10 on page 31

30■ Channelized OC12 IQ PIC