Juniper Internet Router M160 Hardware Manual page 198

M160 Internet Router Hardware Guide
interfaces that use it (such as ATM and SONET/SDH interfaces) emit laser light
that can damage your eyes.
9.
CAUTION: Do not let fiber-optic cable hang free from the connector. Do not allow
fastened loops of cable to dangle, which stresses the cable at the fastening point.
CAUTION: Avoid bending fiber-optic cable beyond its minimum bend radius. An arc
smaller than a few inches in diameter can damage the cable and cause problems
that are difficult to diagnose.
10.
CAUTION: After the
the FPC again, removing a FPC from a different slot, or inserting an FPC in
a different slot.
174
Replacing Packet Forwarding Engine Components
Insert the appropriate cable into the cable connector ports on each PIC on
the FPC. Secure the cables so that they are not supporting their own weight.
Place excess cable out of the way in a neatly coiled loop, using the cable
management system. Placing fasteners on a loop helps to maintain its shape.
Use one of the following methods to bring the FPC online:
Press and hold the FPC offline button until the green
button lights steadily, in about 5 seconds. The LEDS and offline button for
each FPC are located directly above it on the craft interface.
Issue the following CLI command:
user@host>request chassis fpc slot slot-number online
For more information about the command, see the JUNOS Internet Software
Operational Mode Command Reference: Protocols, Class of Service, Chassis,
and Management.
As the FPC comes online, the green FPC LED labeled
continues to blink while the Routing Engine downloads software to the FPC,
the FPC runs its diagnostics, and the PICs housed in the FPC are enabled.
Packet forwarding then halts for about 200 ms while the Packet Forwarding
Engine incorporates the memory on the new FPC into the memory buffers
shared by all FPCs. When the FPC is online, the
LED lights steadily, wait at least 30 seconds before removing
OK
LED next to the
OK
begins to blink. It
OK
LED lights steadily.
OK