ctau - driver for synchronous Cronyx Tau WAN adapters

CONTENTS

Synopsis
Description
Hardware
See Also
History

.Cd device ctau

Additional options:
.Cd device sppp
.Cd options NETGRAPH
.Cd options NETGRAPH_CRONYX

In /boot/device.hints:
.Cd hint.ctau.0.at= isa
.Cd hint.ctau.0.port= 0x240
.Cd hint.ctau.0.irq= 15
.Cd hint.ctau.0.drq= 7

The ctau driver needs either sppp(4) or netgraph(4). Which one to use is determined by the NETGRAPH_CRONYX option. If this option is present in your kernel configuration file, the ctau driver will be compiled with netgraph(4) support. Otherwise, it will be compiled with sppp(4) support.

The base I/O port address specified in /boot/device.hints must match the port address set by the jumpers on the board. The DMA I/O channel and interrupt request numbers are configured by software at adapter initialization. Legal values are:

Port:	0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0
IRQ:	3, 5, 7, 10, 11, 12, 15
DMA:	5, 6, 7

The ctau driver supports autodetection. As for all non-PNP hardware, using autodetection could lead to some potential problems with other devices during the hardware detection process. It is always better to specify hardware resources manually.

Refer to sconfig(8) for information about the ctau adapter configuration.

The ctau driver supports the following cards:

• Cronyx Tau (RS-232/V.35)
• Cronyx Tau/R (RS-530/RS-449)
• Cronyx Tau/E1 (fractional E1)
• Cronyx Tau/G703 (unframed E1)

cp(4), cx(4), sppp(4), ifconfig(8), sconfig(8), spppcontrol(8)

The ctau driver was added in
.Fx 5.3 and
.Fx 4.10 . The ctau driver for previous versions of
.Fx is available from http://www.cronyx.ru/.

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