Beta Draft Confidential
Installing and Removing Modules
Replacing the SPA Module
CBX 500 Multiservice WAN Switch Hardware Installation Guide 4/5/036-9
5. Using a #2 Phillips-head screwdriver, loosen the two thumbscrews on the top of
the SPA and the two thumbscrews at the bottom of the SPA. Figure 6-3 shows the
procedure for removing the SPA module from the back of the switch.
Figure 6-3. Removing the SPA Module
6. Holding on to the thumbscrews for leverage, carefully slide the SPA module out
of the switch and place it in an antistatic container.
7. Align the replacement SPA module with the card guides and slide it into the
switch.
8. Hand-tighten the thumbscrews on the SPA.
9. Reconnect the external cables and wires, and remove the tags that you placed on
them.
10. In the front of the switch, install the SP. Ensure that you push the ejector lock up
and tighten the thumbscrews.
11. On the back of the switch, finish tightening the thumbscrews at the top and bottom
of the SPA module.