umodem - USB modem support

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Description
Hardware
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To compile this driver into the kernel, place the following lines in your kernel configuration file:

.Cd device umodem


.Cd device ucom

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

umodem_load="YES"

The umodem driver provides support for USB modems in the Communication Device Class using the Abstract Control Model. These modems are basically standard serial line modems, but they are accessed via USB instead. They support a regular AT command set. The commands can either be multiplexed with the data stream or handled through separate pipes. In the latter case the AT commands have to be given on a device separate from the data device.

The device is accessed through the ucom(4) driver which makes it behave like a tty(4).

Devices supported by the umodem driver include:

• 3Com 5605
• Curitel PC5740 Wireless Modem
• Metricom Ricochet GS USB wireless modem
• Sierra MC5720 Wireless Modem
• Yamaha Broadband Wireless Router RTW65b
• ELSA MicroLink 56k USB modem

tty(4), ucom(4), usb(4)

The umodem driver appeared in
.Nx 1.5 . This manual page was adopted from
.Nx by
.An Tom Rhodes Aq trhodes@FreeBSD.org in April 2002.

Only modems with multiplexed commands and data are supported at the moment.

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