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Front Panel - TC8277 Series and TC8278 Series and
Back Panel - TC8277 Series
CAM
M
O
N
A
ALARM /
ACCESSORY
M
O
N
B
2
2
1
CAM
CAM
3
4
5
6
V
C
R
7
8
S9505017AE
Monitor B (75 Ohm )
Alarm O utput Relay Closure to VCR
Camera 4
Camera 1
Door Switch
Additional C am eras
Camera 2
Camera 3
1
6
11
2
7
12
3
8
13
4
9
14
5
10
15
S929A45AE
Typical Application - TC8278 Series
Alarm/Accessory Connector - Pin-Out
Pin Function Pin Function Pin Function
1 Ground 6 Alarm 1 11 Alarm 2
2 Alarm 3 7 Alarm 4 12 Alarm 5
3 Alarm 6 8 Alarm 7 13 Alarm 8
4 Alarm Clear 9 Alarm Relay (NO) 14 Alarm Relay (NC)
5 No Connection 10 No Connection 15 Vidloss OUT
NO: Normally Open - Relay to ground.
NC: Normally Closed - Relay to ground.