Testing the TTY Port, Selecting the Dialer Profile

Figure 339:

Figure 338: Port I/O error

Once you find one (or more) modem TTY port, configure it in the cellular profile and test the port.

Testing the TTY Port

After your TTY port is correctly configured, the port is in the 'Device Ready' state.

Device Ready State

The 'Device Ready' state indicates the port has passed the diagnostic test and is ready. You can also run extended diagnostics to displays more information about the modem.

NOTE: Not all modems support the extended AT command set. If the modem hangs after sending an extended AT command;

removing the device and then re-inserting it usually fixes the problem

The AT+CSQ command queries is the modem's current signal strength. The first number represents the signal ranging from 1 (poor) to 33 (excellent). In the example below, the strength is in the excellent range (31).

Figure 340: usb test extended.

Selecting the Dialer Profile

The phone number, user name, and password (if any) are set in the dialer setting. In the United States, AT&T and T-Mobile use the 'gsm_us' profile, while Sprint and Verizon use the 'evdo_us' profile. User names and passwords are not typically used by U.S. carriers, but they may be required by International carriers.

Choose the dialer group that matches your carrier. If one doesn't exist, create a new dialer group with information from your carrier (Figure 341)

738 W-600 Series Controllers

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

6.2 specifications

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Dell 6.2 manual Testing the TTY Port, Selecting the Dialer Profile

Models: 6.2