Digi XStream-PKG User guide
Digi Application Guide
Configuring XStream-PKG Serial RF Modems for Serial Bridging
March 2012 v.1 Digi International 1 of 5
1. Configure two XStream-PKG RF modems for serial bridging.
Objective: Configure two XStream-PKG Serial RF modems to build a serial bridge between two
terminals or between a terminal and a device
1.1 Software Requirements
-XCTU
-PuTTy or any Terminal application
1.2 Hardware Requirements
-XStream-PKG RS-232/485 RF Modem x 2
2. Scenario
In our example, we will connect a terminal application running on a computer on each XStream modems
and send data through the bridge.
3. Sample diagram.
Wireless
Terminal
Local
RS232
Terminal
Remote
RS232
Digi Application Guide
Configuring XStream-PKG Serial RF Modems for Serial Bridging
March 2012 v.1 Digi International 2 of 5
4. Step by step instructions
4.1 Configuring the Local XStream modem
a) Proceed to a factory reset of the modem to restore default parameters:
a. Power ON the modem
b. Set switches 1 & 2 to their ON state (up)
c. Power OFF the modem for at least one second, then on again.
b) Verify that the DIP switches settings are the following: 1 ON all OFF.
c) Connect the XStream modem to the Local Terminal computer using a RS232 Straight Thru
cable
d) Open the XCTU application and select the COM port of your computer
e) In our example we use the 19200 version of the XStream mode, so set the baud rate
accordingly and click the “Test Query”button, a new window should appear :
f) Communication with the modem is OK, click on the “Modem Configuration”tab
Digi Application Guide
Configuring XStream-PKG Serial RF Modems for Serial Bridging
March 2012 v.1 Digi International 3 of 5
g) Scroll down to Networking Set the HP (Hoping Channel) value to “1”and DT (Destination
Address) to “10”
-The Hoping Channel value is the channel on which the radio modem will
communicate. These channels are not non-interfering. Both modems must be
communicating on the same channel
-The Destination Address is the address that identifies the destination of the RF
packet. Only radio modems having matching addresses can communicate with each
others.
h) In the Modem Parameter and Firmware click the “Write”button
4.2 Configuring the Remote XStream modem
a) Proceed to a factory reset of the modem to restore default parameters:
a. Power ON the modem
b. Set switches 1 & 2 to their ON state (up)
c. Power OFF the modem for at least one second, then on again
b) Verify that the DIP switches settings are the following : 1 ON all OFF
c) Connect the XStream modem to the Local Terminal computer using a RS232 Straight
Thru cable
d) Open the XCTU application and select the COM port of your computer
e) In our example we use the 19200 version of the XStream mode, so set the baud rate
accordingly and click the “Test Query” button, a new window should appear :
Digi Application Guide
Configuring XStream-PKG Serial RF Modems for Serial Bridging
March 2012 v.1 Digi International 4 of 5
f) Communication with the modem is OK, click on the “Modem Configuration” tab
Digi Application Guide
Configuring XStream-PKG Serial RF Modems for Serial Bridging
March 2012 v.1 Digi International 5 of 5
g) Scroll down to Networking Set the HP (Hoping Channel) value to “1” and DT
(Destination Address) to “10”
-The Hoping Channel value is the channel on which the radio modem will
communicate. These channels are not non-interfering. Both modems must be
communicating on the same channel
-The Destination Address is the address that identifies the destination of the RF
packet. Only radio modems having matching addresses can communicate with each
others.
h) In the Modem Parameter and Firmware click the “Write” button
i) Close XCTU and open a terminal application such as PuTTy to the COM port where the
modems are connected on each system
j) In this test, data is sent from Local (COM1) to Remote (COM4)
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