Siemens siprotec 7SD5 User Manual page 77

Table 2-3
1)
Figure 2-11 Examples for communication connections
7SD5 Manual
C53000-G1176-C169-1
2.2 Protection Data Interfaces and Protection Data Topology
Communication via Direct Connection
Module in Connector
the Device Type
FO5 ST
FO6 ST
FO7 ST
FO8 FC
1)
FO17 LC
1)
FO18 LC
1)
FO19 LC
For direct connection over short distances, a suitable optical attenuator should be used to
avoid malfunctions and damage to the device.
Fibre Type Optical
Wavelength
Multimode 820 nm
62.5/125 µm
Multimode 820 nm
62.5/125 µm
Monomode 1300 nm
9/125 µm
Monomode 1300 nm
9/125 µm
Monomode 1300 nm
9/125 µm
Monomode 1300 nm
9/125 µm
Monomode 1550 nm
9/125 µm
Perm. Path At- Distance,
tenuation Typical
8 dB 1.5 km (0.95
miles)
16 dB 3.5 km (2.2
miles)
7 dB 10 km (6.25
miles)
18 dB 35 km (22
miles)
13 dB 24 km (14.9
miles)
29 dB 60 km (37.5
miles)
29 dB 100 km (62.5
miles)
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