TransCore AR2200, Руководство пользователя

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3-3
Chapter 3
Installing the AR2200 RF Module
This chapter presents information and procedures for mounting and
installing a stand-alone RF module, or connecting one or two RF
modules to a single AI1200- or AI1301-series Reader.
AR2200 RF Module Installation Options
The AR2200 RF Module can be installed in either of two ways:
•
RF module enclosed in a standard NEMA box
•
Custom installed using a TransCore standard mounting kit
Differences in Installation Options
NEMA Box
—
If you install the RF module in a NEMA box, TransCore recommends
that the maximum operating temperature outside the NEMA enclosure not exceed
131
°
F (55
°
C).
Custom Installation
—
You may choose a custom installation for your stand-alone RF
module. If you do, TransCore strongly recommends that you contact TransCore’s
TrAC (the telephone number is listed on page iii of this guide) to have your mounting
option evaluated. TransCore recommends that the maximum outside temperature for
this mounting option not exceed 158
°
F (70
°
C). You must use a baseplate that serves
as a heat sink to lower the RF module temperature to an acceptable degree. You must
have an air gap of at least 0.45 inches (1.1 cm) underneath the mounting baseplate. If
you choose not to leave room for an air gap, you can install an additional metal plate
under the baseplate.
Caution
If your custom installation setup does not meet TransCore recommended mounting
constraints, temperatures above the maximum operating temperature may occur
resulting in premature failure of the RF module.
AI1200 Reader Power Supply Upgrade
If you are using the RF module with an AI1200 Reader with TransCore standard AC
power supply (P/N 47049-01, KEPCO ERX 15-4), you must replace that power sup-
ply with a new AC standard power assembly that incorporates a power supply with a
higher current rating.
Configuring the RF Module
The RF module has a dual-antenna output and may be configured to operate in one of
two modes: normal mode or compatibility mode. In normal mode, a single RF module
with one or two antennas is connected to the reader through terminals identified as 0
and 1 on the RF module and the reader. In compatibility mode, two RF modules, each