LT-6652 Rev 0
Page 4 of 4
D.
Connect the wiring harness
Connect the wiring harness to the MD-1245 lobby controller board
1. Connect the 4-pin connector on the wiring harness to the 4-pin terminal on the lobby
controller board as shown in Figure 5.
2. If there is a jumper on JW11, remove it (see Figure 5).
3. Reconnect power to the unit, and then turn it on.
Figure 5 Microphone wiring on MD-1245
+
Speaker
Connection
-
White
Microphone
Connection
Red Black
Unused
Unused
JW11
open
Sheild
