Technical Data
4.2 Protection Data Interfaces and differential protection topology
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
586
1)
If protection data interface communication is used for distances of less than 25 km or 15.5 miles , the trans-
mit output has to be reduced by a set of optical attenuators. Both attenuators can be installed on one side.
1)
If protection data interface communication is used for distances of less than 50 km or 31.1 miles, the transmit
output has to be reduced by a set of optical attenuators. Both attenuators can be installed on one side.
FO18
Distance, maximum 60 km or 37,3 miles
Connector Type LC duplex connector, SFF (IEC 61754–20 Standard)
Protocol full-duplex
Baudrate 155 MBits/s
Receiver interfacing AC
Optical wavelength λ = 1300 nm
Fibre Type Monomode 9 µm/125 µm
Transmit output coupled in Monomodefaster min. -5.0 dBm
avg
max. -0 dBm
avg
Receiver sensitivity min. -34.0 dBm
avg
max. -34.5 dBm
avg
Optical budget 29.0 dB
Laser Class 1 according to EN 60825–1/-2 Using glass fibre 9 µm/125 µm
Reach for multimode optical fibre, an optical signal attenuation of 0.3
dB/km is used for calculating light with a wavelength of λ = 1300
nm
Attenuators required for distances of less than 25 km (15.5 miles)
1)
FO19
Distance, maximum 100 km
Connector Type LC duplex connector, SFF (IEC 61754–20 Standard)
Protocol full-duplex
Baudrate 155 MBits/s
Receiver interfacing AC
Optical wavelength λ = 1550 nm
Fibre Type Monomode 9 µm/125 µm
Transmit output coupled in Monomodefaster min. -5.0 dBm
avg
max. -0 dBm
avg
Receiver sensitivity min. -34.0 dBm
avg
max. -34.5 dBm
avg
Optical budget 29.0 dB
Laser Class 1 according to EN 60825–1/-2 Using glass fibre 9 µm/125 µm
Reach for multimode optical fibre, an optical signal attenuation of 0.2
dB/km is used for calculating light with a wavelength of λ = 1550
nm
Attenuators required for distances of less than 50 km (31.1 miles)
1)
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