Installation and Commissioning
8-437SA6 Manual
C53000-G1176-C156-2
Optical Fibres For the protection data communication see section 8.2.2.
Signals transmitted over optical fibres are unaffected by interference. The fibres guar-
antee electrical isolation between the connections. Transmit and receive connections
are identified with the symbols for transmit and for receive.
The character idle state for the optical fibre interface is “Light off.” If this setting is to
be changed, use the operating program DIGSI
®
4, as described in Section 5.6.
Warning!
Laser injection! Do not look directly into the fibre-optic elements!