...@quantumbridge.com
Sent: Tuesday, November 19, 2002 2:00 PM
To: nebs@world.std.com
Subject: RE: 48Vdc tolerance
I have all of the checklists and the widest range I found was -40 to
-57.5Vdc. One of the hardware designers here recalls a Bellcore spec
that
included a range to -36Vdc.
I haven't found
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
Jack,
Others will probably give you the proper references. I do not have
them with me at
).
Jack
-Original Message-
From: Joe Finlayson [mailto:jfinlay...@telica.com]
Sent: Tuesday, November 19, 2002 4:28 PM
To: 'nebs@world.std.com'
Subject: RE: 48Vdc tolerance
Jack,
-40VDC to -56.7VDC rings a bell. I believe I got the -40VDC (1
minute soak) as a worst case from
: 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
: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
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
