4-21
Chapter 4 Troubleshooting Procedures
NortelNetworks 5399 Access Switch HardwareInstallation Guide
Removing a Module
Toremove a Remote Access Concentrator, follow these steps:
1. Using the flat-tip screwdriver, loosen the two captive
retaining screws on the module un til they pop free of the
chassis.
2. Pusht hetop and bottom inserter/extractor levers away
fromthe center of the RemoteAccess Concentratorfront
panelto release the modulefrom the backplaneconnector.
3. Slidethe module out of the chassis.
Grip thef rontpanel with one hand while supporting the bottom
of the modulewith the other hand.
4. Placethe m odule on an antistatic mat.
If a module is removedfrom the chassis permanently or for more than a
few minutes,you should install a filler panel on the empty chassis slots
to maintain the cooling air flow within the chassis.
The removedRemote Access Concentrator retains all of its set
parameters,including the IP address. If you reuse this module
elsewherewithout removing this IP address, you will have
duplicate IPaddresses on your network.