Figure 334: Driver=(none)

This means the driver does not work with these ports. Try the other drivers and see if they pick up the device. Airprime is the reliable catch-alldriver, Sierra is for certain Sierra cards, and cdc-acm is a legacy abstract control modem driver. Your goal is to assign a driver for the unclaimed (none) interfaces (If#).

If no option driver appears or only storage interfaces appear, then the modem must be switched to data mode (see "Switching Modes" on page 732).

Configuring the TTY Port

1. View the exposed TTY ports by executing the show usb ports 13 command.

Figure 335: show usb ports 13 command

In the example above, the command reveals four exposed TTY ports. One is the modem port, while the other ports are for GPS, real-time statistics, or diagnostics. If the command does not reveal any ports or if only storage devices (such as ‘sr0’) appear, then the device must be switched to data mode before proceeding. See "Switching Modes" on page 732 for instruction.

2. Send a test AT command to determine the correct modem port.

Figure 336: show usb test command

In the example above, the TTY port responds with an ‘OK’. This indicates that ttyUSB0 is a valid modem port.

There may be more than one modem port; you can continue to send AT commands to determine which ports are modem ports. If the port is not a valid modem port, a time out error is generated as shown in the example below

Figure 337: Time out error example.

In the example below, the TTY port does not exist, or is busy with a previous PPP session.

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6.2 specifications

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Dell has also prioritized security in the 6.2 series. It features enhanced biometric authentication and advanced encryption methods, safeguarding sensitive data from unauthorized access. Additionally, the system's BIOS protection and automatic updates provide an added layer of security, ensuring that the device remains safe from emerging threats.

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In summary, the Dell 6.2 series embodies a blend of speed, storage efficiency, connectivity, and security, making it a top choice for enterprises looking to enhance their computing capabilities. With its modern features and durable design, Dell 6.2 is positioned as a reliable partner in driving business success.
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