Pelco Switch PV130 RS 422 User Manual

C1919M-C (11/00)  
PV130 RS-232/422 Converter Kit  
Installation Instructions  
®
3500 Pelco Way,  
Clovis, CA 93612-5699  
USA  
DESCRIPTION  
The PV130 RS-232/422 Converter Kit provides a bi-directional electrical interface between RS-232  
and RS-422 data ports.  
In North America & Canada:  
Tel (800) 289-9100  
FAX (800) 289-9150  
The plug-in power supply, included in this package, allows the PV130 to communicate serial port  
data over wire pairs for distances up to 4,000 feet (1,219 m) on the RS-422 side.  
DataFAX (800) 289-9108  
User must supply all necessary cable between converter and receivers.  
Contents of this package:  
International Customers:  
Tel +1(559) 292-1981  
FAX +1(559) 348-1120  
DataFAX +1(559) 292-0435  
Qty  
1
Description  
RS-232/422 Converter  
12 VDC power supply, 1.2W  
Part number  
EE03-1235-5430  
PS04-1000-0112  
PelcoEurope BV  
1
Dillenburg Center  
Dillenburgstraat 5F  
5652 AM Eindhoven  
The Netherlands  
Tel +31(40) 251-9870  
FAX +31(40) 251-9835  
INSTALLATION  
Refer to Figure 1 during the installation instructions that follow.  
Control Connections  
1. Attach the 9-pin side of the converter to the computer’s serial port or to the COM 2 port on  
the PelcoVision Transmitter.  
Pelco Online  
2. Wire the receiver’s RX- and RX+ terminals to the converter’s TX- and TX+ terminals. If neces-  
sary, use a 120-ohm resistor to terminate the line at the receiver’s RX- and RX+ terminals.  
NOTE: Proper operation of an RS-422 circuit requires that the active devices at both ends  
of the communications facility be referenced to a common ground, such as earth. If the  
ground is established through a metallic conductor, it is recommended that 100-ohm resis-  
tors be placed in series with the ground connection at each end (refer to Figure 2). This will  
limit any currents that may be caused by other ground paths.  
Connecting the Power Supply (See Figure 1)  
1. Connect the black/white stripe wire to the converter’s +12 VDC terminal and the solid black  
wire to the GND terminal.  
2. Plug the power supply into a 115 VAC wall socket or power strip.  
+12 VDC  
*12 VDC POWER SUPPLY  
GND  
RX +  
*IF NECESSARY  
RX -  
TO RECEIVER(S)  
FEMALE DB9 TO  
TRANSMITTER  
COM 2 PORT  
PV130 CONVERTER  
Figure 1. Connection Diagram  
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