Sierra Wireless MC5725 Hardware Integration Manual page 82

CDMA and GSM / UMTS Mini Card Hardware Integration Guide
82
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
MC5725 / M C5725V / M C8775 / M C8775V / M C8780 /
·
M C8781 (with no other USB devices connected):
(The AT port is the third new enumerated device — /
dev/ttyUSB2.)
· MC5727 / M C5727V / MC5728V/ M C8785V / M C8790 /
M C8790V / M C8791V / M C8792V (with one other USB
device already connected and assigned to ttyUSB1):
(The AT port is the fourth new enumerated device — /
dev/ttyUSB4.)
Some modules cause a Sierra Wireless Network Adapter to
6.
appear in Device Manager, as shown below. Disable the
adapter to allow entry of AT commands when performing
diagnostic tests.
Right‐click the Sierra Wireless Network Adapter to
a.
display the context menu.
b. Click Disable.
MC57xx
7. Make sure your modem is connected and running, and
then establish contact with the module:
(Windows systems)
Use a terminal emulation / c ommunications program such
as Microsoft HyperTerminal
port reserved for AT commands (see listings in Step 5):
Start HyperTerminal.
a.
b. On the File menu, select Connection Description. The
Connection Description dialog box appears.
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to connect over the COM
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