Installation BRS20/30/40/50
Release
02
11/2018
67
6.11.4 2.5 Gigabit Ethernet SFP transceiver
6.11.5 Bidirectional Fast Ethernet SFP transceiver
Product code
M-SFP-2.5-...
Mode
a
a. MM = Multimode, SM = Singlemode, LH = Singlemode Longhaul
Wave length Fiber System
attenuation
Example for F/O
cable length
Fiber
attenuation
BLP/dispersion
MM/LC EEC MM 850 nm 50/125 µm 0 dB ... 4 dB 0.34 mi (0.55 km) 3.5 dB/km 2000 MHz×km
(OM3)
MM/LC EEC MM 850 nm 50/125 µm 0 dB ... 4 dB 0.25 mi (0.4 km) 3.5 dB/km 500 MHz×km
(OM2)
MM/LC EEC MM 850 nm 62.5/125 µm 0 dB ... 4 dB 0.11 mi (0.17 km) 3.5 dB/km 200 MHz×km
(OM1)
SM-/LC EEC SM 1310 nm 9/125 µm 0 dB ... 8.5 dB 3.11 mi (5 km) 0.4 dB/km 3.5 ps/(nm×km)
SM/LC EEC SM 1310 nm 9/125 µm 0 dB ... 13 dB 12.43 mi (20 km) 0.4 dB/km 3.5 ps/(nm×km)
SM+/LC EEC SM 1310 nm 9/125 µm 12 dB ... 25 dB 27.96 mi (45 km) 0.4 dB/km 3.5 ps/(nm×km)
LH/LC SM 1551 nm 9/125 µm 14 dB ... 28 dB 80 km
b
b. Typically the DWDM (Dense Wave Division Multiplexing) links have filters because the remaining attenuation budget is consumed by the filters.For
point-to-point connections without filters and with max. 1.5 dB of connector losses you can cover up to 59 mi (95 km).
0.25 dB/km 19 ps/(nm×km)
LH+/LC SM 1550.12 nm 9/125 µm 16 dB ... 31 dB 62.13 mi (100 km) 0.25 dB/km 19 ps/(nm×km)
LH+/LC SM 1550.12 nm 9/125 µm 16 dB ... 31 dB 99.41 mi (160 km) 0.25 dB/km 19 ps/(nm×km)
Table 24: F/O port 2.5 Gbit/s (SFP fiber optic Gigabit Ethernet transceiver)
Product code
SFP-FAST-B...
Mode
a
Wave length
TX
Wave length
RX
Fiber System
attenuation
Example for F/O
cable length
b
Fiber
attenuation
Dispersion
SFP-FAST-BA
MM/LC EEC
MM 1310 nm 1550 nm 50/125 µm
62.5/125 µm
0 dB ... 16 dB 0 mi ... 1.24 mi
(0 km ... 2 km)
1.0 dB/km 800 MHz×km
500 MHz×km
SFP-FAST-BB
MM/LC EEC
MM 1550 nm 1310 nm 50/125 µm
62.5/125 µm
0 dB ... 16 dB 0 mi ... 1.24 mi
(0 km ... 2 km)
1.0 dB/km 800 MHz×km
500 MHz×km
Table 25: F/O port (bidirectional Fast Ethernet SFP transceiver)
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