7-2
Hardware Installation Guide for the Cisco 4451-X Integrated Service Routers
OL-27644-01
Chapter 7 Online Insertion and Removal (OIR) and Hot-Swapping
OIR Procedures
OIR Procedures
The following procedures describe using the OIR process to remove and replace data and voice modules.
Removing a Module
From a console terminal issue the hw-module subslot <subslot> stop command. The service module
adapter LED blinks, then turns off, and the console displays a prompt signaling the module can be
removed.
See the following output:
Router# hw-module subslot 2/0 stop
Proceed with stop of module? [confirm]
damo-O2#
*Mar 22 20:43:31.088: %SPA_OIR-6-OFFLINECARD: SPA (SM-X-1T3/E3) offline in subslot 2/0
*Mar 22 20:43:31.088: %IOSXE_OIR-6-SOFT_STOPSPA: SPA(SM-X-1T3/E3) stopped in subslot 2/0,
interfaces disabled
Router#sh hw-m
Router#sh hw-module su
Router#sh hw-module subslot 2/0 oir
Module Model Operational Status
------------- -------------------- ------------------------
subslot 2/0 SM-X-1T3/E3 stopped
Inserting a Data or Voice Module
This step is only required if the oir-stop command was issued and the module was not physically
removed from the slot. If the module was physically removed, this command is not needed.
From a console terminal issue the hw-module sm {slot} oir-start command. The console displays a
output showing the module changing states. See the following output:
Router# hw-module sm 2 oir-start
Router#
*Nov 11 21:06:17.546: %ATMOC3POM-6-SFP_IN: Interface ATM2/0 OC3 MM SFP has been inserted.
Router#
*Nov 11 21:06:19.442: %LINK-3-UPDOWN: Interface ATM2/0, changed state to up
*Nov 11 21:06:20.442: %LINEPROTO-5-UPDOWN: Line protocol on Interface ATM2/0, changed
state to up
Hot-Swapping Procedures
The following items can be hot-swapped:
• Fan trays
• Power supplies only when the router is backed up with an RPS
See the “Replacing a Fan Tray” section on page 6-34 and the “Replacing Power Supplies and Redundant
Power Supplies” section on page 6-31.
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