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Juniper Networks M20 User Manual

Page 31

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Duplex LC/PC Connector (Rx and Tx)

Optical interface support—see Table 6 on page 33

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 OC48c/STM16 PIC (Quad-Wide)

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SONET/SDH OC48c/STM16 PIC (Quad-Wide)