On Thu, Apr 2, 2009 at 7:18 PM, Peter van Houten <[email protected]> wrote: > My curiosity was more directed to the complexity of muxing 1000+ serial > ports per container ...
Well, if you use the right kind of wiring, it's just another set of UTP cables. Whether they go into a switch or a serial terminal server is just a question of which gear is in the rack. Contrary to my previous post, they may actually use a serial terminal server in each rack. Add in an Ethernet switch in each rack. Plus the serial server's Ethernet port into the Ethernet switch, too. Now each rack can be concentrated into a single Ethernet cable. (Or maybe a few if they need to do trunking for bandwidth reasons.) Or they may only use the serial ports for trouble-shooting. If a node goes down, the tech brings a laptop and/or cart over to the faulty node and plugs in his serial cable to see if the console is responsive. Maybe hard-reset the board to see if anything comes up. -- Ben ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
