GE VersaMax IC754TAN001, Quick Install Manual

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Description and Features
GFK-2299 VersaMax Expansion I/O Interface Card
3
Indicators
The EXP TX LED on the front of the VersaMax Expansion I/O
Interface Card indicates expansion bus communication status.
LED LED
Status
Description
ON
(Blinking)
Interface Card is communicating with the Expansion
Rack. EXP TX
OFF Interface Card is not communicating with the Expansion
Rack.
Expansion Bus Connector
The 26-pin female D-shell connector on the front of the VersaMax
Expansion I/O Interface Card is the expansion port for connecting to
an Expansion Receiver Module. There are two types of Expansion
Receiver Modules:

Isolated (IC200ERM001)

Non-Isolated (IC200ERM002).