MIRCOM TECHNOLOGIES LIMITED, 9500 Series: No Subscriber Line Page 20
WIRING THE ELECTROMAGNETIC DOOR LOCK TO 9501A, 9502A, or 9503 (Controllers)
Wire as shown in FIG. 8.
WIRING THE LOCK-BACK SWITCH TO 9501A, 9502A, or 9503 (Controllers)
Wire the Lock-Back Switch as shown in FIG. 9 to enable automatic door-open timer cut-off.