User talk:Rabolais

Having read the article on dial tone, can anyone tell me which color wire in the 25 pair ribbon cable in a PBX deliver the dial tone? Thanks in advance.


 * Hello. I noticed your question in the recent changes feed. I don't know the answer, but you might try asking at the Reference desk. Cheers,  W ODU P  03:39, 30 August 2007 (UTC)