Jack, At the very least AT&T, Verizon, and SBC have some specific requirements.
You can download copies of the customer requirements at: http://www.curtis-straus.com/nebs.html Regards, Mary Wilson -----Original Message----- From: jmur...@quantumbridge.com [mailto:jmur...@quantumbridge.com] Sent: Tuesday, November 19, 2002 2:41 PM To: nebs@world.std.com Subject: 48Vdc tolerance Has anybody any information on the required operating range for equipment with respect to -48Vdc power? I'm looking for Telcordia requirements outside of the NEBS requirements that apply. Thanks, Jack
