100 Base Fx Transmitter Characteristics; Pps Port; Fibre Teleprotection Interface - GE MiCOM P40 Technical Manual

P446SV
2.10.2

100 BASE FX TRANSMITTER CHARACTERISTICS

Parameter
Output Optical Power BOL 62.5/125 µm
NA = 0.275 Fibre EOL
Output Optical Power BOL 50/125 µm
NA = 0.20 Fibre EOL
Optical Extinction Ratio
Output Optical Power at Logic "0" State
Conditions: TA = 0°C to 70°C
2.11

1 PPS PORT

Main Use
Connector
Standard
Fibre type
Wavelength
Minimum reception level
Accuracy
2.12

FIBRE TELEPROTECTION INTERFACE

Main Use
Connectors (2)
Standard
Protocol
Fibre type
Wavelength
Minimum reception level
Accuracy
Optical budget
Minimum transmit output level (average power) -19.8 dBm
Receiver sensitivity (average power)
Optical budget
Less safety margin (3 dB)
Typical cable loss
Maximum transmission distance
P446SV-TM-EN-1
Sym Min.
-19
PO
-20
-22.5
PO
-23.5
PO
1 PPS port (fibre)
GPS accuracy clock reference
BFOC 2.5 –(ST®)
IEC 874-10
Multimode 50/125 µm or 62.5/125 µm
850 nm
-28 dBm
Better than +/- 50 ns for maximum absolute error between
actual GPS time and rising edge of 1 PPS signal.
Fibre Teleprotection Interface
Teleprotection communications
BFOC 2.5 –(ST®)
IEC 874-10
InterMicom 64
Multimode 50/125 µm or 62.5/125 µm or single-mode 9/125 µm
850 nm or 1300 nm (multimode), 1300 nm or 1500 nm (single mode)
-28 dBm
Better than +/- 50 ns for maximum absolute error between actual GPS time and
rising edge of 1 PPS signal.
850nm MM
-6 dBm
-25.4 dBm -49 dBm
5.6 dB 43 dB
2.6 dB 40 dB
2.6 dB/km 0.8 dB/km
1 km 50 km
Chapter 26 - Technical Specifications
Typ.
-16.8 -14
-20.3 -14
10
-10
-45
1300 nm MM 1300 nm SM
-6 dBm
-49 dBm
43 dB
40 dB
0.4 dB/km
100 km
Max. Unit
dBm avg.
dBm avg.
%
dB
dBm avg.
1550 nm SM
-6 dBm
-49 dBm
43 dB
40 dB
0.3 dB/km
130 km
687