IBM N7800 Hardware And Service Manual page 132

5. With the impaired node showing the Waiting for giveback message or halted,
6. If in a dual-chassis HA pair , unplug both power cords from the power source.
Removing cables and media adapters from the NVRAM adapter
Before you remove the old NVRAM adapter from the controller module, you must
remove the cables and, if you are using fiber interconnect cables, the media
adapters.
Procedure
1. If you are not already grounded, properly ground yourself.
2. Remove the cables and any media converters (SFPs) from the NVRAM adapter.
If your system uses...
Fiber interconnect cables
106
IBM System Storage: N7000 Series Hardware and Service Guide
shut it down, depending on your configuration:
Is the Remote LAN Module (RLM)
configured?
Yes
No
Leave the cables in the cable clips of the cable management tray so that when
you reinstall the cable management tray, the cables are already aligned.
Use this method to disconnect the cables...
Remove each media converter by pulling the handle so that the latches open, and
then gently remove the media converter from the NVRAM adapter port, as shown in
the following illustration:
Sheath
Fiber cable
Then...
Log in to the RLM and issue the following
command:
system power off
At the impaired node's prompt, press Ctrl-C
and respond Y to halt the node.
Media
converter
Handle
MPO connector
L O
1 P
H 1
L O
2 P
H 2
N V
R A
M 5
Copper
IB ports