Juniper Networks M7I - Manual (Page 68)

E3 IQ PIC (M7i Router)
• Junos OS Release 6.1 and later Software release
• Four E3 ports
• Power requirement: 0.38 A @ 48 V (18 W)
• Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface
Description
• Clear-channel (34.368-Mbps) and subrate E3
• Unframed or ITU G.751 framing
• Data service unit (DSU) functionality
• Subrate and scrambling:
• Digital Link/Quick Eagle
• Kentrox
• HDB3 line encoding
• Full bit error rate test (BERT)
• Local and remote loopback testing
Hardware features
• Quality of service (QoS) per port: weighted round-robin (WRR), random early detection (RED),
weighted random early detection (WRED)
• Simple Network Management Protocol (SNMP): E3 MIB, QoS MIB
• Input policing and output shaping
• Provider-side rate limiting
• Full data link connection identifier (DLCI) range with sparse channel numbering
• Per-DLCI queues with weighted deficit round-robin and strict priority
• Encapsulations:
• High-Level Data Link Control (HDLC)
• Frame Relay
• Circuit cross-connect (CCC)
• Translational cross-connect (TCC)
• Point-to-Point Protocol (PPP)
Software features
• Standard E3 BNC coaxial cable interfaces Cables and connectors
Copyright © 2010, Juniper Networks, Inc. 68
M7i Multiservice Edge Router PIC Guide