Videoswitch VDM User Manual Page 59

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Videoswitch VDM Digital Recorder
Vdm601t.doc 51
12.3.4 Alarms and Keyboard
123
14
4
15
5
16
6
17
7
18
8
19
9
20
10
2122242425
111213
Pin Function
Pin Function
1
GND
14
Connect to Pin 4 to terminate RS422 Input
2
Alarm Input 15
15
Alarm Input 16
3
RS422 Out-
16
RS422 Out+
4
RS422 In-
17
RS422 In+
5
Alarm Input 9
18
Alarm Input 10
6
Alarm Input 11
19
Alarm Input 12
7
Alarm Input 13
20
Alarm Input 14
8
Alarm Input 1
21
Alarm Input 2
9
Alarm Input 3
22
Alarm Input 4
10
Alarm Input 5
23
Alarm Input 6
11
Alarm Input 7
24
Alarm Input 8
12
Relay 2
25
Relay COM
13
Relay 1
12.3.5 Serial Port (RS232)
54
9
3
8
21
76
Pin Function
Pin Function
1
DCD
6
Not connected
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
Not connected
5
GND
Mating plug required: 9-way female D-type.
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