Juniper Networks M7I User Manual
Page 63
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PIC can be configured as twelve T1 ports or twelve E1 ports
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Local and remote loopback diagnostics
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E1 ports
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High-performance throughput on each port at speeds up to 2048 Mbps, full duplex
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HDB3 line encoding
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Integrated support for G.704 framed mode with CRC; this feature is user-configurable
NOTE: The G.704 implementation supports speeds slower than 2.048 Mbps; multiple channels
within a single E1 interface are not supported.
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G.704 framed without CRC4
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Unframed
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Framed clear channel mode
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Unframed clear channel mode
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Framed fractional mode
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T1 ports
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High-performance throughput on each port at speeds up to 1544 Mbps, full duplex
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AMI and B8ZS line encoding
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Framed clear channel mode
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Fractional mode
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Superframe (D4/SF) and extended superframe (ESF) framing
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ESF CSU counters, WRT impairments, and CRC checking
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Local DS1 line loopback, remote line loopback
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Loop timing and PIC line timing
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Encapsulations: Structure-agnostic time-division multiplexing (TDM) over packet (SAToP)
(RFC 4553)
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Pseudowire emulation edge-to-edge (PWE3) for ATM (RFC 4717) (Junos OS Release 9.6 and
later)
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ATM Pseudowire emulation edge-to-edge via dynamic labels (LDP, RSVP-TE) (Junos OS
Release 9.6 and later)
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Inverse mulitplexing (IMA) for ATM (Junos OS Release 10.0 and later)
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Simple Network Management Protocol (SNMP): ATM MIB (Junos OS Release 10.2 and later)
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ATM QoS (Junos OS Release 10.2 and later)
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Per-virtual circuit (VC) and per-virtual path (VP) traffic shaping
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Unspecified bit rate (UBR) traffic shaping
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Fine-grained real-time variable bit rate (rtVBR) and real-time variable bit rate (nrtVBR)
traffic shaping
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Port-level egress shaping
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Constant bit rate (CBR)
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Policing on a per virtual circuit basis
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Independent peak cell rate (PCR) and sustained cell rate (SCR) policing
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Counting, tagging, or discard policing actions
Software features
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RJ-21 connector
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Cables are rated for intra-building connections only.
Cables and connectors
63
Copyright © 2010, Juniper Networks, Inc.
E1/T1 Circuit Emulation PIC (M7i Router)