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Optical diagnostics and related alarms
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Per-port SONET/SDH framing
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Link aggregation
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Alarm and event counting and detection
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Dual-router automatic protection switching (APS)
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Multiprotocol Label Switching (MPLS) fast reroute
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Encapsulations:
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High-Level Data Link Control (HDLC)
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Frame Relay
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Circuit cross-connect (CCC)
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Translational cross-connect (TCC)
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Point-to-Point Protocol (PPP)
Software features
You can install any transceiver supported by the PIC. For information about installing and
removing transceivers, see the PIC and Transceiver Installation Instructions.
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Duplex LC/PC connector (Rx and Tx)
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Optical interface support—See Table 29 on page 96, Table 30 on page 97, and
Table 31 on page 97
NOTE: To extend the life of the laser, when a PIC is not being actively used with any valid
links, take the PIC offline until you are ready to establish a link to another device. For
information about taking a PIC offline, see the request chassis pic offline command in the
JUNOS System Basics and Services Command Reference.
Cables and connectors
One tricolor per port:
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Off—Not enabled
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Green—Online with no alarms or failures
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Amber—Online with alarms for remote failures
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Red—Active with a local alarm; router has detected a failure
LEDs
SONET/SDH OC12/STM4 (Multi-Rate) PICs with SFP ■ 95
SONET/SDH OC12/STM4 (Multi-Rate) PICs with SFP