NBN EN 50169:1995被替代
Sectional Specification For Backbone Cables, Riser And Campus, With A Common Overall Screen For Use In Digital Communication
出版：Belgian Standards
专家解读视频
Covers individually screened or unscreened pair(s) or quad(s) in cables for vertical shafts or vertically between floors (riser backbone cables) or in horizontal between buildings (campus backbone cables). Covers cables that are meant to operate with voltages and currents normally adopted for communication systems.
UNE EN 50169:1996 - Identical
I.S. EN 50169:1995 - Identical
DIN EN 50169 (1995-08) - Identical
BS EN 50169:1996 - Identical
SN EN 50169:1994 - Identical
SS EN 50169 Ed. 1 (1995) - Identical
NF EN 50169:1995 - Identical
