XTH9-MI-128 Digi International/Maxstream, XTH9-MI-128 Datasheet - Page 74

• Manufacturer Part Number: XTH9-MI-128
• Description: MODULE RF 900MHZ 1W 115K W/MMCX
• Manufacturer: Digi International/Maxstream

Specifications of XTH9-MI-128

• Frequency: 900MHz
• Data Rate - Maximum: 230kbps
• Modulation Or Protocol: FHSS, FSK
• Power - Output: 30dBm
• Sensitivity: -110dBm
• Voltage - Supply: 3.3V, 5V
• Current - Receiving: 80mA
• Current - Transmitting: 260mA
• Data Interface: Connector, 2 x 10 Header
• Antenna Connector: MMCX
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Applications: -
• Memory Size: -

XTend™ RF Module ‐ Product Manual v2.x6x
Interfacing Protocols
RS-232 Operation
DIP Switch Settings and Serial Port Connections
The XTend Module Assembly (XTend RF Module mounted to the XTIB-R Interface Board) supports
the following interfacing protocols:
Figure B‐11.
RS‐232 DIP Switch Settings
DIP Switch settings are read and applied
only while powering‐on.
Table B‐04. RS‐232 Signals and their implementations on the XTend Module Assembly 
* ‘X‐CTU’ is software that can be used to configure the module. The software includes a naming convention
where ʺGPIʺ stands for ‘General Purpose Input’ and ʺGPOʺ for ‘General Purpose Output’.
© 2010 Digi Internatonal, Inc.
DB-9 Pin
• RS-232
• RS-485 (2-wire) Half-Duplex
• RS-485 (4-wire) and RS-422
1
2
3
4
5
6
7
8
9
(Low‐asserted signals are distinguished by horizontal line over pin name.)
RTS / CMD
RS-232
Name
DCD
RXD
DTR
GND
DSR
TXD
CTS
RI
X-CTU
Name*
GPO2
GPO2
GPO1
GPI2
GPI1
DO
DI
-
-
Data-Terminal-Ready
Data-Carrier-Detect
Request-to-Send /
Transmitted Data
Command Mode
Data-Set-Ready
Received Data
Description
Ground Signal
Clear-to-Send
Ring Indicator
Figure B‐12.
Pins used on the female RS‐232 (DB‐9) Serial Connector
Serial data entering into the module assembly (from host)
Provides RTS flow control or enables Command Mode
Optional power input that is connected internally to the
Can enable Power-Down on the module assembly
Serial data exiting the module assembly (to host)
positive lead of the front power connector
Connected to DSR (pin6 of DB-9)
Connected to DCD (pin1 of DB-9)
Provides CTS flow control
Implementation
Ground
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