AVer EB3004_MD - Manual (Page 12)

8
Sensor in and Alarm pinhole:
Pin # Definition
11 Sensor 1 signal
12 Sensor 1 Ground signal
13 Sensor 2 signal
14 Sensor 2 Ground signal
15 Sensor 3 signal
16 Sensor 3 Ground signal
17 Sensor 4 signal
18 Sensor 4 Ground signal
19 Relay signal
20 Relay signal
RS-232 pinhole:
Pin # Definition
21 RS-232 TX signal
22 RS-232 RX signal
23 RS-232 Ground signal
24 N/A