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Video Recorder - User Manual 26
11
12
10
NO NC
!
8
9
7
5
6
4
2
3
1
Digital
Output Board
S1
NC1
N
O
1
S2
NC2
N
O
2
S3
NC3
N
O
3
S4
NC4
N
O
4
S5
NC5
N
O
5
S6
NC6
N
O
6
NC
NO
Normally Open
Contacts
Normally Closed
Contacts
Figure 2-6 DO Board Relay Contact Setting
2.5.7 Wiring communications
This software package has been designed to operate with three kinds of serial communication
standards which are: RS232, RS422 and RS485. Refer to the following chapters for the wiring
configuration of each of them. For more details on the wiring, please refer to your computer product
manual.