1 LE-DA, 2 LEF-5, Door Release, RY-AC External Signaling Relay

2 LE-D, 1 LEF-3, 2 RY-AC External Signaling Relays

IM Series with External Signaling

1 LE-D Door Station, 2 LEM-1DL Answering Stations, with External Signaling

1 LE-D Door Station, 1 LEM-1DL Answering Station, with External Signaling

1 LE-D Door Station, 1 LEM-1DL Answering Station, with AC-10S Keypad and External Signaling

Adding External Signaling to an AP-M Answering Station

IX Programming Walkthrough Episodes 09 -11 – IXW-MA Programming

External Signaling Configuration