Siemens SIMATIC NET PROFIBUS - Manual (Page 206)

Passive Components for Electrical Networks
7-10
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
7.2.3 PCF Fiber-Optic Cables
PVC outer jacket
Kevlar strain relief
PCF fibers
Figure 7-3 Structure of the PCF FO Standard Cable
PCF FO Cable, Standard Cable 6XV1821-1B***
The PCF FO cable, standard cable 6XV1821-1B*** consists of two PCF fibers
surrounded by Kevlar strain relief elements and a violet PVC outer jacket. The
standard code is I-VY2K 200/230 10A17+8B20. The outer jacket has the identifier
“SIEMENS SIMATIC NET PROFIBUS PCF FIBER OPTIC 6XV1821-1AH10 (UL)”
printed on it as well as meter markers.
The cable is only available as a preassembled cable. Cables for devices with an
integrated optical interface are fitted with 2 x 2 simplex connectors, cables for
connection of OLM/P11 and OLM/P12 have 2 x 2 BFOC connectors. The cables
are supplied with a pulling loop at one end that allows the cables to be pulled, for
example, into cable channels.