Allied Telesis AT-A19 - Manual (Page 7)

1
The AT-A1x Series Expansion Modules are optional uplinks for the AT-8216FXL/
MT, AT-8216FXL/VF, AT-8216FXL/SC, and AT-8224XL Fast Ethernet Switches.
The expansion modules are designed to be installed into the two expansion slots
on the front of each switch. The expansion modules, which can be installed in any
combination, offer you flexbility in building or expanding your network.
Figure 1 through Figure 5 show the front panels while Table 1 describes each
expansion module.
Figure 1 AT-A15 Expansion Module (SX or LX)
Figure 2 AT-A16 Expansion Module
Overview