A24-HASM-450 Datasheet, PDF (54/60 Pages) List of Unclassifed Manufacturers – XBee Series 2 OEM RF Modules

XBee/XBeeȬPROȱZigBeeȱOEMȱRFȱModulesȱv1.x1xȱȱ[2007.06.01]
RS-232 Pin Signals
FigureȱBȬ03. PinsȱusedȱonȱtheȱfemaleȱRSȬ232ȱ(DBȬ9)ȱSerialȱConnectorȱȱ
DevelopmentȱGuide
TableȱDȬ02. PinȱAssignmentsȱandȱImplementations
DB-9 Pin
RS-232 Name
Description
1
DCD
Data-Carrier-Detect
2
RXD
Receive Data
3
TXD
Transmit Data
4
DTR
Data-Terminal-Ready
5
GND
Ground Signal
6
DSR
Data-Set-Ready
7
RTS / CMD
Request-to-Send /
Command Mode
8
CTS
Clear-to-Send
9
RI
Ring Indicator
Implementation*
Connected to DSR (pin6)
Serial data exiting the module assembly
(to host)
Serial data entering into the module assembly
(from host)
Can enable Power-Down on the module assembly
Ground
Connected to DCD (pin1)
Provides RTS flow control or
enables Command Mode
Provides CTS flow control
Optional power input that is connected internally to
the positive lead of the front power connector
*ȱFunctionsȱlistedȱinȱtheȱimplementationȱcolumnȱmayȱnotȱbeȱavailableȱatȱtheȱtimeȱofȱrelease.
©ȱ2007ȱDigiȱInternational,ȱInc.ȱ
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