Table of Contents
Advertisement
Chapter 5
Network Adaptation Module
Do not look directly at the optical connector output beams during connector removal. The
Warning
beams can cause permanent eye damage.
At the associated Hub Filter module (HFM), press the button at the bottom and push the HFM slightly
Step 1
upward (about 10 mm [0.5 in.]) to expose two grooves on the HFM top. Remove the fiber from the two
lateral grooves on top.
If the NAM (channel) is protected, repeat Step 1 on the other side of the passive optical shelf.
Remove the MU duplex connector from one HFM at a time.
Step 2
Put caps on the ends of the disconnected optical fiber jumper cables.
Step 3
Put dust plugs in the MU adapters in the HFM.
Step 4
If the NAM is protected, repeat Steps 2, 3, and 4 on the other side of the passive optical shelf.
One at a time, disconnect the three (or two unprotected) MU connectors at the CLIP module:
Step 5
a.
b.
Using a slot or Phillips screwdriver, loosen the NAM retaining screw.
Step 6
Carefully remove the NAM from the slot.
Step 7
If you are not going to replace a NAM, carefully insert a Dummy NAM into the slot.
Step 8
Procedure: Replace a Network Adaptation Module in the ONS 15252 MCU
Before replacing a NAM, verify that the NAM is the appropriate release for the shelf assembly or
Caution
equipment damage could result. For an ONS 15200 Release 1.01 shelf assembly (800-12162-03) the
NAM front panel should display NEBS-3. For an ONS 15200 Release 1 shelf assembly
(800-12162-02) the NAM will not be printed.
If you are replacing a NAM, remove the currently installed NAM. If you are replacing a Dummy
Note
NAM, remove the Dummy NAM from the relevant NAM position.
Before replacing the NAM, verify that the NAM jumpers are set to match the label on the NAM
Note
module. See
78-13767-01
Put a fiber cap on the MU connector.
Put a fiber plug in the MU adapter in the CLIP.
Table 5-2 on page 5-4
for the NAM jumper settings.
Removing and Replacing a NAM
Cisco ONS 15200 Module Handbook
5-7
Advertisement
Table of Contents
