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XBee Series 2 ZigBee OEM RF Modules v1.x2x [2007.07.019]
RS-232 Development Board
External Interface
Figure B‐01. Front View
B‐01c.
DB‐9 Serial Port
B‐01b.
I/O & Power LEDs
B‐01a.
Config Switch
Figure B‐02. Back View
B‐02a.
DIP Switch
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Note: In the following sections, an OEM RF Module mounted to an interface board will be referred to as
a "Module Assembly".
B-01a. Reset Switch
The Reset Switch is used to reset (re-boot) the RF module. This
switch only applies when using the configuration tabs of MaxStream's
X-CTU Software.
B-01b. I/O & Power LEDs
LEDs indicate RF module activity as follows:
B‐01d
RSSI LEDs
B‐01e.
Power Connector
B-01c. Serial Port
Standard female DB-9 (RS-232) connector.
B-01d. RSSI LEDs
RSSI LEDs indicate the amount of fade margin present in an active
wireless link. Fade margin is defined as the difference between the
incoming signal strength and the module's receiver sensitivity.
B-01e. Power Connector
5-14 VDC power connector
B-02a. DIP Switch
DIP Switch functions are not supported in this release. Future down-
loadable firmware versions will support DIP Switch configurations.
© 2007 Digi International, Inc.
Yellow (top LED) = Serial Data Out (to host)
Green (middle) = Serial Data In (from host)
Red (bottom)
= Power/Association Indicator (Refer to the D5
(DIO5 Configuration) parameter)
3 LEDs ON
= Very Strong Signal (> 30 dB fade margin)
2 LEDs ON
= Strong Signal (> 20 dB fade margin)
1 LED ON
= Moderate Signal (> 10 dB fade margin)
0 LED ON
= Weak Signal (< 10 dB fade margin)
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Development Guide
69
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