Specifications

Using the GPIO Connector (J17)
Using SkyePlus Multiplexers with a CBIB 43
Copyright 2008 SkyeTek, Inc. All Rights Reserved. Version 080715
Using the GPIO Connector (J17)
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Note – This option applies to all SkyeModule readers (i.e., with either the CF or
MH style connectors).
To connect your SkyePlus multiplexer to the CBIB using the MUX connector at
location J19:
1. Use the 7-pin cable provided with your mult
iplexer to connect JP1 on the
multiplexer to the MUX connector at J17 on the CBIB (see Table C-2 for
individual pinouts).
2. Use the antenna cable provided with your m
ultiplexer to connect the RF
port of the multiplexer (J1, SMA connector) to the external antenna port of
your SkyeModule reader (ANT1, MMCX plug).
3. Set the MUX Control system parameter to 0x02 to enable the GPIO
c
onnector. (Use the same technique described in ‘‘Example: Enabling a
Multiplexer’’ on page 28.)
Figure C-2 on page 44 shows the pin and antenna connections.
Table C-2 P
in Connections of SkyePlus to CBIB MUX Connector
SkyePlus Multiplexer (JP1) CBIB GPIO Connector (J17)
a
a. Pin 2 on CBIB connector J17 is not used.
1 Vcc 4 Vcc
2 GND 1 GND
3 Vcc 4 Vcc
4 A2 5 GPIO Control 0
5 A1 6 GPIO Control 1
6 A0 3 GPIO Control 2
7 GND 1 GND