[rescue] Statmux as console server?

Patrick Giagnocavo patrick at zill.net
Fri Mar 16 14:57:32 CDT 2007


I have two very nice, sturdily constructed MultiTech MMH904C 
statistical multiplexers. The case is made of steel, sturdy plastic 
front and back, and bright LEDs - many blinkenlights for each channel.

They have 8 DB25 serial ports apiece in additional to a serial console 
for configuring the unit, plus serial, modem, RS232/V35 ports for 
configuring whatever kind of outbound connection you want.

Is there a way to configure this as a console server so that I can hook 
up a bunch of Sun machines to the serial ports, then have one serial 
port (probably with a null modem) go to a host machine connected via 
Ethernet (then allow access to the serial ports via SSH login)?

I guess I am making the assumption that there is some way to connect 
each statmux port as a separate tty device?

It *looks* like there is a way to do this, but I am not sure. It seems 
that in some cases, a "proprietary HDLC" is used as the protocol, but 
that appears only in the reference of one type of connection.

MMH900 series manual:

Any help most appreciated.

Patrick Giagnocavo
patrick at zill.net

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