

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.
INDICE DE CLASSEMENT: C93541-3
DIN EN 50169 (1995-08) - Identical
BS EN 50169:1996 - Identical
SN EN 50169:1994 - Identical
SS EN 50169 Ed. 1 (1995) - Identical
UNE EN 50169:1996 - Identical
I.S. EN 50169:1995 - Identical
NBN EN 50169:1995 - Identical