
EPN Plus Series
3. Cables and I/O Terminal Block
Cable Descriptions
1
2
3
4
5
6
7
RS-485+ (Yellow)
RS-485- (Orange)
24V AC
Video Cable
Audio In
Audio Out
RJ-45
No Name and Descriptions No Name and Descriptions
1 RS-485+ (Yellow): Connects to an RS-485 device. 5 Audio In: Connects to a microphone.
2 RS-485- (Orange): Connects to an RS-485 device. 6 Audio Out: Connects to a speaker.
3 24V AC: Connects to the power adapter. 7 RJ-45 Cable: Connects to the network.
4 Video Cable: Connects to a DVR or monitor.
Note: Microphones with external power supplies are required.
I/O Terminal Block
The I/O terminal block, located on the rear panel of the Base Board, can be used to develop applications
for alarm input and output, motion detection, PTZ control or a variety of other functions.
CON3
1 2 3 4 5 6 7 8 9 10 11 12
Pin Assignment
No. Functions No. Functions
1 GND (Ground) 7 ALM_NC_A (Alarm Output Normal Close A)
2 ALM_NO_B (Alarm Output Normal Open B) 8 GND (Ground)
3 ALM_COM_B (Alarm Output Common B) 9 ALMIN1 (Alarm Input 1)
4 ALM_NC_B (Alarm Output Normal Close B) 10 GND (Ground)
5 ALM_NO_A (Alarm Output Normal Open A) 11 ALMIN2 (Alarm Input 2)
6 ALM_COM_A (Alarm Output Common A) 12 GND (Ground)
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