Pelco PV130 RS-422 دليل المستخدم

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TX-
TX+
RX-
RX+
GND
+12 VDC
C1919M-D (3/02)
PV130 RS-232/422 Converter Kit
Installation Instructions
®
3500 Pelco Way, DESCRIPTION
Clovis, CA 93612-5699
The PV130 RS-232/422 Converter Kit provides a bi-directional electrical interface between RS-
USA
232 and RS-422 data ports. This allows any application that requires an RS-232 device to con-
nect to an RS-422 or RS-485 port on Pelco products. RS-422 and R-485 ports are found on
In North America & Canada:
Pelco switchers, multiplexers, keyboards

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TROUBLESHOOTING Why is there no control? •Transmitter DIP switch settings or programming incorrect for receiver type •Transmitter COM 2 port baud rate and/or parity programming incompatible with receiver type • Converter-to-receiver twisted pair connections reversed or wired incorrectly • Power supply +12 VDC and GND connections to converter reversed Why is the control erratic? • Cabling between converter and receiver incompatible with RS-422 operation • Wire distance between converter and recei