Siemens SIMATIC NET PROFIBUS User Manual

7-22

PROFIBUS Networks SIMATIC NET

6GK1970-5CA20-0AA1 Release 2 05/2000

Copper wire

Insulation

Optical fiber

Strain relief

Protective sleeve

Winding

Copper braid

Common jacket

Outer jacket

Figure 7-8

Structure of the SIENOPYR Duplex Fiber-Optic Marine Cable

The SIENOPYR duplex fiber-optic marine cable contains two multimode graded
fibers 62.5/125 

µ

m. The cable also contains two stranded, rubber-insulated copper

wires with a 1 mm

2

 cross-sectional area. These can be used, for example, to

supply power to the attached devices.

The round cross-section of the cable makes it easier to seal cable glands.

The outer jacket is labeled with the year of manufacture and the label
“SIENOPYR-FR MI-VHH 2G 62.5/125   3,1B200+0,8F600+2x1CU   300V” at
intervals of approximately 50 cm.

The SIENOPYR duplex fiber-optic marine cable has the following properties:

S

Ozone proof complying with DIN VDE 0472 Part 805 test type B

S

Behavior in fire complying with IEC 60332-3 cat. A

S

Corrosivity of combustion gases complying with IEC 60754-2

S

Smoke density complying with IEC 61034

S

Free of halogens

S

Approved for ship building (Germanischer Lloyd, Lloyd’s Register, Registro
Italiano Navale).