RE: Disconnect Devices for Telecom Equipment

2001-05-18 Thread WOODS
-- From: Rob Legg [SMTP:r...@potentia.ca] Sent: Friday, May 18, 2001 8:49 AM To: Richard Meyette; 'Tania Grant'; emc-p...@majordomo.ieee.org Subject: RE: Disconnect Devices for Telecom Equipment Group, Continual reference to cent

RE: Disconnect Devices for Telecom Equipment

2001-05-18 Thread Rob Legg
7;; 'emc-p...@majordomo.ieee.org' Subject: RE: Disconnect Devices for Telecom Equipment Tania, The -48V centralized DC power systems used in the central offices of telecommunications companies are limited to 60 VDC or less under normal operating conditions, including during charg

RE: Disconnect Devices for Telecom Equipment

2001-05-17 Thread Kazimier_Gawrzyjal
, 2001 12:22 PM To: 'Tania Grant'; 'emc-p...@majordomo.ieee.org' Subject: RE: Disconnect Devices for Telecom Equipment Tania, The -48V centralized DC power systems used in the central offices of telecommunications companies are limited to 60 VDC or less under normal operating co

RE: Disconnect Devices for Telecom Equipment

2001-05-17 Thread Richard Meyette
Grant [mailto:taniagr...@msn.com] Sent: Wednesday, May 16, 2001 7:18 PM To: Richard Meyette; 'emc-p...@majordomo.ieee.org' Subject: Re: Disconnect Devices for Telecom Equipment Rick, A -48 volt source is considered a secondary circuit, but that does not necessarily make it a SELV circuit.

Re: Disconnect Devices for Telecom Equipment

2001-05-17 Thread Tania Grant
Rick, A -48 volt source is considered a secondary circuit, but that does not necessarily make it a SELV circuit. I also don't believe that even if your equipment installation should be proven to be powered by a SELV circuit that the disconnect requirements of Section 2.6 do not apply. Here i