Cisco 7000 Series Hardware Installation And Maintenance Manual page 225

Removing a Port Adapter
Port adapters are installed on each MIP at the factory. Each port adapter is anchored to the MIP with
one plastic double-row vertical board-to-board (BTB) connector and four Phillips screws that extend
through standoffs, into the mother board. (See Figure 5-21.) The port adapter is also anchored to the
carrier faceplate with two jackscrews and two lock washers.
The surface-mounted components on the port adapters are extremely susceptible to ESD
Caution
damage. Keep each port adapter in a separate antistatic bag until you are ready to install it. Always
wear an ESD-preventive ground strap and handle boards as little as possible. When you must handle
the board, limit contact to the board edges only, avoiding contact between the board and clothing.
To remove an E1 port adapter from the MIP, refer to Figure 5-21 and perform the following steps:
Ensure that the MIP is resting on an antistatic mat or on antistatic foam. You should still be
Step 1
wearing an ESD-preventive strap.
Step 2 Position the MIP so that it is in the same orientation shown in Figure 5-21.
Step 3 Locate the E1 port adapter to be removed and use a 3/16-inch nut driver to loosen the two
jackscrews, one on either side of the cable connector. (See Figure 5-21.)
Figure 5-21 Removing an E1 Port Adapter
Board stiffener
and EMI shield
BTB connector
MIP
connector
Installing and Configuring Processor Modules
Standoff screws (4)
Jackscrews (2)
Cable connector
Maintenance 5-67