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9XTend ‐ PKG ‐ E? ? Ethernet ? RF ? Modem ? – ? Product ? Manual ? v2.x4x ? [2007.01.04]
2.3. Telnet Communications
In addition to com port communications, Telnet communications are also supported.
2.3.1. Test Communications (Telnet Loopback)
A wireless link can be tested by connecting to the specific IP address and port number.
Test a Wireless Link (Telnet Connection):
1.
2.
3.
Follow steps in the "Ethernet RF Modem Discovery" section [p9].
Setup hardware as shown in the 'Hardware Setup for Loopback Test' section of previous
page [Figure 2-06].
If using Windows: Select (Start ' Run); then type "cmd" (without quotation marks) in the
text box of the "Run" dialog box. Then select the 'OK' button.
If using Linux or UNIX: Run a command shell.
If using Mac OS X: Run (Applications ' Utilities ' Terminal).
[Remaining steps are for Microsoft Windows users]
4.
5.
At the command prompt, type: telnet xxx.xxx.xxx.xxx 14001 <CR>
("xxx.xxx.xxx.xxx" is the IP address of the Ethernet RF Modem, "14001" is the port number
and "<CR>" stands for carriage return or 'Enter' key.) [Figure 2-08]
Begin typing characters into the Telnet session window [Figure 2-09].
--> Characters typed should be echoed back to the screen. With each character typed, the
"Data Out" and "Data In" LEDs should flash briefly on each of the PKG RF Modems.
The wireless link can be double-checked by turning off the XTend-PKG-R RS-232/485 RF
Modem (leaving the PKG-E Ethernet RF Modem on) and sending characters. When the PKG-
R is turned off, characters should not be echoed back.
Figure ? 2 ‐ 08. Telnet ? Interface ? (connect ? to ? PKG ‐ E ? having ? an ? IP ? address ? of ? 192.168.0.168)
Figure ? 2 ‐ 09. Telnet ? Interface ? (Sent ? & ? Echoed ? back ? characters) ?
? ? 2007 ? MaxStream, ? Inc., ? Confidential ? & ? Proprietary ?‐? All ? Rights ? Reserved ?
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