Installation and Startup
2-9
FM 456-2 Application Function Module Installation, Hardware, and Startup
C79000-G7076-C458-01
Removing the Connector and the Socket Covers
Situated on the right-hand side of the application function module is a 120-pin
socket for connecting expansion modules to the ISA bus. This socket is protected
by a screw-mounted metal cover (see Figure 2-3).
The EXM 478, ATM 478 and NSM 478 expansion modules contain
The matching connector on the left side,
An expansion socket on the right side so that other expansion modules can be
plugged in.
Remove the transport protection from the expansion plugs and the covers from the
expansion sockets of the module that are to accept other expansion modules.
Example: FM 456-2
Example: EXM 478
Expansion socket
Expansion plug
Figure 2-3
Locations of the Expansion Socket and Plug with Associated Covers