Siemens SIMATIC NET PROFIBUS - Manual (Page 213)

Passive Components for Electrical Networks
7-17
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
7.3.1 Fiber-Optic Standard Cable
Outer jacket black PVC
Inner jacket gray PVC
Support element (impregnated glass yarn)
Kevlar yarn
Glass fiber G62.5/125 µ m
Figure 7-4 Structure of the Fiber-Optic Standard Cable
Fiber-Optic Standard Cable 6XV1820-5****
The fiber-optic standard cable contains two multimode graded fibers of type
62.5/125
µ
m.
The outer jacket is labeled “SIEMENS SIMATIC NET FIBER-OPTIC 6XV1
820-5AH10” approximately every 50 cm. Meter markers consisting of a vertical line
and a 4-figure number make it easier to estimate the length of an installed cable.
Properties
The fiber-optic standard cable has the following properties:
S
Can be walked on
S
Flame-retardant complying with IEC 60332-3 cat. CF
S
Not halogen free
S
Available in meter lengths up to 4000 m
S
Available preassembled with 4 BFOC connectors in lengths up to 1000 m
Uses
The fiber-optic standard cable is the universal cable for use indoors and outdoors.
It is suitable for connecting optical ports operating at the wavelengths of 850 nm
and 1300 nm.