Installation manual
25-PIN CABLE ELECTRICAL CONNECTIONS 
75
5
USER INTERFACE
O+ 
8/11 
22/12 
O- 
DS4800 
Vext 30 Vdc max. 
C 
E 
Figure 71 - Open Collector Output Connections 
V
CE
 max = 30 Vdc 
I max = 40 mA continuous; 130 mA pulsed 
5.7  USER INTERFACE - HOST 
The following table contains the pinout for standard RS232 PC Host interface. For other user 
interface types please refer to their own manual. 
RS232 PC-side connections 
1 
5 
9 6 
9-pin male connector 
13 
25 14
1
25-pin male connector 
Pin Name Pin Name 
2 RX 3 RX 
3 TX 2 TX 
5 GND 7 GND 
7 RTS 4 RTS 
8 CTS 5 CTS 
How To Build A Simple Interface Test Cable: 
The following wiring diagram shows a simple test cable including power, external (push-
button) trigger and PC RS232 COM port connections. 
25-pin D-sub male 
7 
20 
GND 
RX 
TX 
21
DS4800 
25 
13
GND 
Vdc
9-pin D-sub female 
GND
TX
RX 
PC
2 
3 
5
18 
13
I1A
Vdc
Power Supply
Vdc (10 – 30 Vdc)
Power GND
Trigger 
I1B 
19
Test Cable for DS4800 










