Hardware manual

Electra Elite Issue 8
System Hardware Manual 5 - 17
3.6.5 Connectors
The MIFA-U( )ETU has four connectors:
CN1 Connects to the backboard
CN2 Connects to the backboard
CN3 Used to connect the ETU backup battery
during installation, and disconnect the
battery when storing the ETU
IC6 Socket for the optional KMA(1.0)U
The ACD MIS cable connects at the COM4, a standard
female RS-232C DCE port, on the KSU that contains the
MIFA-U( ) ETU. A straight RS-232C cable is required.