Allied Telesis AT-8288XL/SC - Manual (Page 38)

Installation
38
Installing an Expansion Module
This section contains instructions for installing an optional expansion
module in the switch. An optional expansion module package should
include the following items:
# One expansion module
# One quick install guide
# Warranty card
Note
For information on cabling specifications for the expansion
module, refer to the quick install guide shipped with the module.
To install an expansion module, perform the following steps:
1. Disconnect the switch’s power cord, if attached.
Caution
Be sure to disconnect the power cord before installing an
expansion module. Installing an expansion module with the switch
powered ON can damage the module.
Warning
The power cord is used as a disconnection device. To de-energize
equipment, disconnect the power cord.
" 10
2. Remove a blank faceplate from one of the expansion slots by
unscrewing the faceplates two captive screws. Refer to Figure 15. Do
not remove the blank faceplate if you are not installing an expansion
module in the slot.
Figure 15 Removing the Blank Panel
A
B