Replacing An M320 Xenpak Module; Removing An M320 Xenpak Module - Juniper M320 Hardware Manual

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Replacing an M320 XENPAK Module

Removing an M320 XENPAK Module

Copyright © 2015, Juniper Networks, Inc.
Arrange the cable in the cable management system to prevent the cable from
6.
dislodging or developing stress points. Secure the cable so that it is not supporting its
own weight as it hangs to the floor. Place excess cable out of the way in a neatly coiled
loop in the cable management system. Placing fasteners on the loop helps to maintain
its shape.
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.
Verify that the status LEDs on the PIC faceplate indicate that the SFP is functioning
7.
correctly (there is an LED for each SFP port). For more information about the PIC
LEDs, see the interface module reference for your device. You can also verify PIC
functioning by issuing the
M320 PIC Description on page 54
M320 Chassis Description on page 7
Maintaining M320 PICs and PIC Cables on page 276
Removing an M320 XENPAK Module on page 243
1.
2. Installing an M320 XENPAK Module on page 245
To remove a XENPAK module (see
Place an electrostatic bag or antistatic mat on a flat, stable surface to receive the
1.
XENPAK module. Have ready a rubber safety cap for the XENPAK transceiver and the
cable.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the ESD points on the chassis.
Label the cable connected to the XENPAK module so that you can later reconnect it
3.
to the correct module.
Disconnect the cable from the XENPAK module. Immediately cover the transceiver
4.
and the end of the cable with a rubber safety cap.
Chapter 27: Replacing Line Card Components
show chassis fpc pic-status
Figure 100 on page 244):
command.
243