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Re: DATACENTER: Serial console concentrator/server



>>>>> On Sat, 6 Nov 1999 22:25:28 -0500, Jeff Wasilko <[email protected]>
>>>>> said:

Jeff> On Sat, Nov 06, 1999 at 07:03:57PM -0800, Joseph Chin wrote:
>> What do you think is the "best" solution for aggregrating access to
>> serial consoles of 10-25 Sun/UNIX servers? Majority of my servers
>> are Sun E250/E450/Netra T1, but there are a few Intel
>> (LB440GX-based gray boxes) and Compaq that support console redirect
>> to serial port.

Jeff> I really like the Bay/Annex terminal servers.

Jeff> The Cisco servers have a bad habit of sending what looks like a
Jeff> 'break' signal if you power cycle the terminal server (which
Jeff> does bad things to your sun boxes).

IIRC, that break is defined by at least a half a second of no signal
on all the pins.  When you power cycle the 2509/11, the suns see that
as a break.  if you power cycle other vendors' products, what happens?
if they don't look like a break, why not?

rob