"Stephen R. Besch" <[EMAIL PROTECTED]> wrote: >As far as I know, it doesn't. The POE source somehow monitors the line >(using impedance, etc) to determine if there is anything connected to >the pairs used to supply power. Since netcards and net connected >equipment are not supposed to use the "power" pairs, this should work in >most cases. If the termination just leaves them unconnected the >impedance is infinity and power will not be applied. Conversely, if the >termination are all grounded, impedance is (near) 0 and power will not >be applied. For some range of impedances in between, the far end is >assumed to require power and power will be applied.
So a reasonable (cheap!) alternative would be to only plug devices that need PoE into it, and have it always provide power. Doug -- Doug Meredith ([EMAIL PROTECTED]) SystemGuard - Oracle remote support 877-974-8273 (87-SYSGUARD) 506-854-7997 www.systemguard.com _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
