3
Plug the modular cord into connector J1 on MDMUand connect the wires on the other end to theOver Ride terminal.

Figure 4. MDMU Connection to Over Ride

4
Connect the RJ-21 cable/connector to the MDMU Aux.Interface and to terminal block.
NOTE: For specific pin-out
information for this connector
refer to Figure 9 at the end of
this guide. Messages 1
through 6 correspond to
message starts 1 through 6.
AUX. CONNECTOR
J1
REM
OPTION BATTERY
SWITCH OFF ON
RJ-21 CABLE AND
CONNECTOR
SCREW LUG
TERMINAL BLOCK
MESSAGE #1
TYPICAL CONNECTION
TO MOMENTARY
CONTACT CLOSURE
TO START MESSAGE
MESSAGE #6
TYPICAL
CONNECTION TO
TERMINAL BLOCK

Figure 5 Connection of RJ-21 Cable to MDMU.

4