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Infrared Transceivers
(IRTs) are used for automatic, wireless offloading of APC (or other stored
data) in a garage. One transceiver is mounted on the vehicle and the other
in the garage.
IRT Features
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PCU to garage wayside communications at 9600 or 19200 baud
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RS-422 interface for connection distance up to 700 m
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5 m maximum transmission distance
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Tolerant of misalignments greater than 1 m
Detailed Description
The IRT is a half-duplex optical modem for data communications, usually
between an APC-equipped vehicle and a garage wayside computer. The IRT
can transmit and receive data at 9600 or 19,200 baud, by encoding the data
into short pulses of near-infrared light. The IRT's optics are deisgned
to tolerate substantial misalignment, while still operating in most ambient
light conditions. Typically, the garage computer, running software available
through PMT, establishes a communications link with an APC-equipped bus
when the bus IRT and wayside IRT line up during fuelling operations, automatically
offloading the stored APC data.
PMT also offers its IR data communications
technology for other transportation and industrial applications. E-mail
info@permetricstech.com
for more information. |
