AG Electronica XBee 2 Series Manual page 74

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XBee Series 2 ZigBee OEM RF Modules v1.x2x [2007.07.019]
Adapters
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The development kit includes several adapters that support the following functions:
• Performing Range Tests
• Testing Cables
• Connecting to other RS-232 DCE and DTE nodes
• Connecting to terminal blocks or RJ-45 (for RS-485/422 nodes)
NULL Modem Adapter (male-to-male)
Part Number: JD2D2-CDN-A (Black, DB-9 M-M) The male-to-male NULL modem adapter is
used to connect two DCE nodes. A DCE node connects with a straight-through cable to the male
serial port of a computer (DTE).
Figure B‐07. Male NULL modem adapter and pinouts
Figure B‐08. Example of a MaxStream Radio Modem (DCE node) connecting to another DCE node)
NULL Modem Adapter (female-to-female)
Part Number: JD3D3-CDN-A (Gray, DB-9 F-F) The female-to-female NULL modem adapter is
used to verify serial cabling is functioning properly. To test cables, insert the female-to-female
NULL modem adapter in place of a pair of module assemblies (RS-232 interface board + XTend
Module) and test the connection without the modules in the connection.
Figure B‐09. Female NULL modem adapter and pinouts
© 2007 Digi International, Inc.
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Development Guide
73
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