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3 flexible fiber-optic trailing cable – Siemens SIMATIC NET PROFIBUS User Manual

Page 215

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Passive Components for Electrical Networks

7-19

PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000

7.3.3

Flexible Fiber-Optic Trailing Cable

Outer jacket

Inner jacket

Support element

Aramid yarn

Glass fiber G 62.5/125

µ

m

Aramid yarn

Dummy element

Fleece/strands

Figure 7-6

Structure of the

Flexible Fiber-Optic Trailing Cable

Flexible Fiber-Optic Trailing Cable 6XV1820-6****

The flexible fiber-optic trailing cable contains two multimode graded fibers 62.5/125

µ

m. Integrated dummy elements produce a round cross-section.

The outer jacket is labeled “SIEMENS SIMATIC NET FLEXIBLE FIBER OPTIC
6XV1 820-6AH10” at intervals of approximately 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 flexible fiber-optic trailing cable has the following properties:

S

Highly flexible (100,000 bending cycles at a minimum bending radius of 150
mm)

S

Not halogen free

S

Available in meter lengths for up to 2000 m

S

Available preassembled with 4 BFOC connectors in fixed lengths up to 650 m