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■JUNOS 3.1 and laterSoftware release
■Four OC3 ports
■Power requirements: 0.49 A/48 V @ 23.7 W
Description
■Multiplexing and demultiplexing
■Rate policing on input
■Rate shaping on output
■Packet buffering, Layer 2 parsing
Hardware features
■SONET/SDH framing
■Link aggregation
■Alarm and event counting and detection
■Dual-router automatic protection switching (APS)
■Multiprotocol Label Switching (MPLS) fast reroute
■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)
■Optical interface support—See Table 15 on page 58
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:
■Off—Not enabled
■Green—Online with no alarms or failures
■Amber—Online with alarms for remote failures
■Red—Active with a local alarm; router has detected a failure
LEDs
SONET/SDH OC3c/STM1 PIC ■57
SONET/SDH OC3c/STM1 PIC