08-07-2002
To my knowledge, as long as there is no keyboard plugged in, the serial port will automatically be used for input/output.
As for the pin-out: I know terminal concentrator vendors (such as Digi) sometimes require you to use their connectors. These generally run for around $20 or so per. I am not familiar with what you are running, but checking with the manufacturer of the device is always a great place to start. Unfortunately, their response may very well be: "Spend more money". In that case, you may want to try the DB25-to-RJ45 adapter that comes with most any Cisco product (labeled: MODEM CAB-5MODCM). This generally works for laptop-to-Sun connections.
Hope this is of value.
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mdc(4) Kernel Interfaces Manual mdc(4)
Name
mdc - DS5100 serial line driver
Syntax
device mdc0 at ibus? vector mdcintr
device mdc1 at ibus? vector mdcintr
device mdc2 at ibus? vector mdcintr
Description
A DS5100 base system (mdc0) provides four asynchronous ports. An optional asynchronous card (mdc1 and mdc2 ) can be added to supply eight
additional ports.
The mdc ports are used as follows:
Port Usage Connector
0 Console port 6-pin MMJ on CPU board
1 Local terminal 6-pin MMJ on CPU board
2 Full modem control port 25-pin D-Sub on CPU board
3 Local terminal 6-pin MMJ on CPU board
An optional asynchronous board provides an additional eight lines:
4 Local terminal 6-pin MMJ
5 Local terminal 6-pin MMJ
6 Full modem control port 25-pin D-Sub
7 Local terminal 6-pin MMJ
8 Local terminal 6-pin MMJ
9 Local terminal 6-pin MMJ
10 Local terminal 6-pin MMJ
11 Local terminal 6-pin MMJ
The console baud rate is set to 9600 baud by default. You can change this by setting the baud environment variable from console prompt.
Each communication port from the serial line controller behaves as described in the reference page and can be set to run at any of 16
speeds. For the encoding, see
You can establish the state of port 2 (port 6) by specifying either modem or nomodem as part of the file entry.
Restrictions
The speed default is to 9600 baud on the console port. The console device must be set for 8-bit character length with one stop bit and no
parity. The driver enforces these restrictions; that is, changing speeds with the command may not always work on console ports.
Files
Console terminal
Full modem control or local terminal
See Also
console(4), devio(4), tty(4), ttys(5), MAKEDEV(8)
RISC mdc(4)