User`s manual

◄Triplex DVR►
55
[ 4CH DVR ]
[ 8CH DVR ]
RS-232 & Alarm In/Out & RS-485
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14151617182021222325 24 19
Alarm In
GND
RX 232C
TX 232C
GND
21
Alarm Out COM
22
Alarm Out NC
8CH DVR
9 ~ 14
15
16
17 ~ 20
1 ~ 8
No
Alarm In
GND
RX 232C
TX 232C
GND
24
485B
25
485A
4CH DVR
5 ~ 14
15
16
17 ~ 20
1 ~ 4
No
23
Alarm Out NO
24
485B
25
485A
21
Alarm Out COM
22
Alarm Out NC
23
Alarm Out NO