Juniper Networks M120 Manuel d'utilisateur télécharger pdf (Page 84)

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Duplex SC/PC connector (Rx and Tx)

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Optical interface support—See Table 25 on page 85

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

84 ■ SONET/SDH OC3c/STM1 PIC

M120 Internet Router PIC Guide

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Juniper Networks M120 Manuel d'utilisateur Page 84