Juniper Networks M7I - Manual (Page 55)

DS3 PIC (M7i Router)
• Junos OS Release 6.0 and later Software release
• Two or four DS3 ports
• Power requirement: 0.47 A @ 48 V (22.5 W)
• Integrated DSU interoperability with leading DSU vendors
Description
• 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
Hardware 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)
Software features
• Custom 10 ft (3.05 m) posilock SMB to BNC male cable, separate Rx and Tx (provided) Cables and connectors
One tricolor per port:
• Off—Not enabled
• Green—Online with no alarms or failures
• Yellow—Online with alarms for remote failures
• Red—Active with a local alarm; router has detected a failure
LEDs
55 Copyright © 2010, Juniper Networks, Inc.
DS3 PIC (M7i Router)