Beta Draft Confidential
Installing and Removing Modules
Installing and Replacing IOP Modules
6-24
4/5/03
CBX 500 Multiservice WAN Switch Hardware Installation Guide
To install or replace an IOP module:
1. Put on the antistatic wrist strap (provided in the accessory kit) and plug it into the
ESD grounding jack on the switch.
2. From the back of the switch, use a #2 Phillips-head screwdriver to loosen, but not
remove, the corresponding IOA module. Failure to use a #2 Phillips-head
screwdriver may damage the screw heads.
3. From the front of the switch, slide the ejector lock located at the top of the IOP
module down to disconnect the module from the network.
4. Lift the top and bottom card ejectors simultaneously to remove the module from
the switch. Lift both ejectors simultaneously to avoid damage to the module.
5. Slide the IOP module out of the switch and place it into an antistatic container.
6. Align the new or replacement IOP module with the card guides and carefully slide
the module into the switch. Press firmly to be sure that it has engaged the
backplane connectors.
7. Depress the ejectors simultaneously.
8. Slide the card ejector lock up.
9. Using a #2 Phillips-head screwdriver, secure the module into the switch by
tightening the thumbscrews on the IOP and IOA modules (using a maximum of 6
to 8 inch-pounds of torque).
Warning – The following procedure may make the device susceptible to electrostatic
charge.
Note – If the SP detects a mismatch of boot code between the SP and the new IOP
card, the SP automatically downloads its current version of the boot code to the IOP
card before downloading the application code. The IOP card may reboot several times
before the download process completes.
