Checking Optical Connections - ABB RELION REC650 Commissioning Manual

Section 4
Starting up
4.11
40

Checking optical connections

Check that the Tx and Rx optical connections are correct.
An IED equipped with optical connections has an minimum space
requirement of 180 mm for plastic fiber cables and 275 mm for
glass fiber cables. Check the allowed minimum bending radius
from the optical cable manufacturer.
1MRK 511 425-UEN A
M16022-2 v7
Bay control REC650 2.2 IEC
Commissioning manual