Tom> I am a little concerned that the first time you use it, the
Tom> driver logs to dmesg:

Tom> WARNING: driver rp should register devices with make_dev() (dev_t = 
Tom> "#rp/0x10082")

While I haven't tested it, I expect that this message goes away with
FreeBSD 4.7. The rp driver got some work done to it between 4.6 and
4.7.

http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/rp/rp.c

Tom> Has the driver been updated since FreeBSD 4.5?  (Yeah, our
Tom> RocketPorts are on older machines... a testament to how reliable
Tom> FreeBSD 4.x is :-) ...we haven't needed to upgrade them).

Our box handling the serial consoles is also running 4.5.  :)

Tom> My other concern is that the RocketPorts have RJ45 connectors and
Tom> finding the right cable is sometimes difficult.  They look like
Tom> modern Cisco RJ45 serial ports, but they aren't compatible.  I
Tom> wish there was a vendor that I could call and say, "Hi!  I have
Tom> this weird device... here's my credit-card #... send me the right
Tom> cable for my console server."

There is no standard for running a RS232 serial connection over RJ45
connectors like there is for DB-25 and DB-9 connectors. I wish there
were, but....  

We just make our own cables and ends. Using flat satin cable, putting
the RJ45 ends on is trivial, and Comtrol's pin out allows a cross over
cable to be built by putting the RJ45 connector on one end of the
cable on backwards.

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