Hello Kannan,

As far as I know it was used in Russia, however they switch now to 48VDC. In 
deed there are many different systems and somewhere they might still use 60VDC. 
Maybe also in some other ex-Soviet Union countries.


Best regards,
Bostjan

From: Kannan Dhamodaran [mailto:kan...@india.tejasnetworks.com]
Sent: Friday, August 11, 2017 5:10 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] -60Vdc Telecom supply voltage

Dear valued members,

can you guide me on nations that uses -60Vdc supply for telecom installations?

Appreciate your valued inputs in advance.

Best regards,
Kannan
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