STB 1642-2009
Telecommunication circuits of switched telephone network. Limits and measurement methods of electric parameters

Standard No.

STB 1642-2009

Release Date

2009

Published By

BELST

Latest

STB 1642-2009

STB 1642-2009 history

• 2009 STB 1642-2009 Telecommunication circuits of switched telephone network. Limits and measurement methods of electric parameters