Communicating With The Usr3500; Communications Testing - US Robotics Courier USR3500 Getting Started Manual

6.

Communicating with the USR3500

After setting up the USR3500, communications can be established by directly sending
AT commands to the device using terminal software such as HyperTerminal for MS
Windows. The following subsections describe how this is done.
For more information about the AT commands described in the following sub-sections,
refer to the AT Commands Interface Guide at http://www.usr.com/support/3500.
6.1.

Communications Testing

To perform a communications test after the USR3500 has been setup using the RS232
serial port connection, do the following:
Connect the RS232 port between the external application COM port (DTE) and
the USR3500 (DCE).
Configure the RS232 port of the DTE as follows:
 COM port:
 Bits per second:
 Data bits:
 Parity:
 Stop bits:
 Flow control:
Using a communication software such as HyperTerminal, enter:
AT
When communications have been established, the USR3500 will respond with an
"OK", which is displayed in the HyperTerminal window.
If communications cannot be established with the USR3500, do the following:
Check the RS232 connection between the application (DTE) and the USR3500
(DCE).
Check the configuration of the COM port used on the DTE.
Refer to the table below for other AT commands that can be used after getting the
USR3500 started.
1 (commonly used port for PC serial)
115200 bps
8
None
1
Hardware
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