DB-15 port (RS-232 and RS-485)
9
NetCam DVR
Section 1
Pin
Connection
Function
1
TXD
RS-232 transmit.
2
RXD
RS-232 receive.
3
S+
NetCam DVR RS-485. (half-duflex).
4
S-
NetCam DVR RS-485. (half-duflex).
5
GND
Ground
6
Input 1 +
Isolated input port
7
Input 1 -
Isolated input port
8
Input 2 +
Isolated input port
9
Input 2 -
Isolated input port
10
Output 1 +
SSR output port
11
Output 1 -
SSR output port
12
12 V +
Power Supply
13
IRIS
Not used
14
GND
Ground
15
EM
Not used
GND S- S+ RXD TXD
01+ 12- 12+ 11- 11+
EM GND IRIS +12V 01-
5
4
3
2
1
10
9
8
7
6
15
14
13
12
11
DVR_NC_ii_98911_0047.qxd 12/13/00 1:53 PM Page 9
