Cisco MGX MGX 8800 Hardware Installation Manual page 408

Installing the MGX 8850 (PXM1E/PXM45) Switch, MGX 8850/B or MGX 8880 Media Gateway
Remove the Back Cards from an APS Assembly
Complete the following steps to remove back cards from an APS assembly and to remove the APS
connector from the switch.
An APS assembly consists of two back cards, a primary card and a secondary card, which are connected
Note
by an APS connector (Cisco Part Number MGX-8850-APS-CON or MGX-APS-CON).
Do not use a power screwdriver on captive screws.
Caution
A rocking motion during connector mating can bend or damage the APS connector pins.
Caution
In the next steps, you will remove one of the back cards connected to the APS assembly.
Use the flat-head or Phillips tip of the 3-in-1 tool to loosen the two captive screws located on the top and
Step 1
bottom of the back card faceplate.
Pull each of the two extractor levers, located at the top and bottom of the faceplate, out to the horizontal
Step 2
position.
Pull evenly on the two extractor levers to remove the back card from the APS connector.
Step 3
Repeat through
Step 4
connected to the second back card when it is removed and comes out of the switch with the card.
Carefully separate the second back card from the APS connector by pulling it out with a straight motion.
Step 5
Place the back cards and APS connector in antistatic bags or on an antistatic bench.
Step 6
Repeat through
Step 7
Install the Switch in the Rack
Even with the cards removed, the weight and bulk of the card cage mandate that three or more people
Caution
install it. Two installers can support and maneuver the switch while a third secures it to the rack.
This section details the procedures necessary for installing the MGX 8850 or MGX 8850/B switch with
a mechanical lift in a 19-inch or 23-inch rack or a 19-inch cabinet.
•
•
If the screw holes on the card cage are not aligned with the holes on the frame, place a flat-blade
Tip
screwdriver between the card cage and fan tray to raise the card cage. Insert the screws and tighten them.
Remove the screwdriver from between the fan tray and card cage.
Cisco MGX 8800/8900 Series Hardware Installation Guide
5-24
Step 3 for the remaining back card in the APS connector. The APS connector is still
Step 6 for any remaining APS assemblies.
"Install the Switch in a 19-Inch or 23-Inch Rack" section on page 5-25
"Install the Switch in a 19-Inch Cabinet" section on page 5-25
Chapter 5 Installing the Cisco MGX Switch or Gateway
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006