Sierra Wireless AirLink RV50 Series User Manual page 337

Windows Dial-up Networking (DUN)
15. Confirm that the Maximum Port Speed is set to 115200 (default).
16. Click OK to exit.
17. Click OK again to exit out of the Phone and Modem Options.
18. Go to Start > Control Panel > Device Manager.
Figure A-11: Device Manager
19. Under Modems, highlight Standard 33600 bps Modem. Right-click and select
Update Driver Software....
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