Juniper Networks M7I - Manual (Page 34)

Channelized OC3 IQ PIC (M7i Router)
• Junos OS Release 7.6 and later Software release
• One OC3 port
• Power requirement: 0.39 A @ 48 V (18.6 W)
• Fine-grained queuing per logical interface
• Channelization: DS3, DS1, DS0
Description
• 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
Hardware 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)
Software features
• Duplex SC/PC connector (Rx and Tx); single-mode fiber intermediate-reach fiber
• SONET/SDH OC3/STM1 fixed transceivers:
• Intermediate reach (IR-1)
Optical interface specifications—see SONET/SDH OC3/STM1 Optical Interface Specifications
Cables and connectors
Copyright © 2010, Juniper Networks, Inc. 34
M7i Multiservice Edge Router PIC Guide