96
Installation BRS20/22/30/32/40/42/50/52
Release
12
01/2022
7.12.4 2.5 Gigabit Ethernet SFP transceiver
c. Using the bandwidth-length product is inappropriate for expansion calculations.
d. With F/O adapter compliant with IEEE 802.3-2002 Clause 38 (single-mode fiber offset-launch mode conditioning patch cord).
e. With F/O adapter compliant with IEEE 802.3-2002 Clause 38 (single-mode fiber offset-launch mode conditioning patch cord).
f. Including 2.5 dB system reserve when compliance with the fiber data is observed.
g. With F/O adapter compliant with IEEE 802.3-2002 Clause 38 (single-mode fiber offset-launch mode conditioning patch cord).
h. With F/O adapter compliant with IEEE 802.3-2002 Clause 38 (single-mode fiber offset-launch mode conditioning patch cord).
i. Including 2.5 dB system reserve when compliance with the fiber data is observed.
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 0.55 km (0.34 mi) 3.5 dB/km 2000 MHz×km
(OM3)
MM/LC EEC MM 850 nm 50/125 µm 0 dB ... 4 dB 0.4 km (0.25 mi) 3.5 dB/km 500 MHz×km
(OM2)
MM/LC EEC MM 850 nm 62.5/125 µm 0 dB ... 4 dB 0.17 km (0.11 mi) 3.5 dB/km 200 MHz×km
(OM1)
SM-/LC EEC SM 1310 nm 9/125 µm 0 dB ... 8.5 dB 5 km (3.11 mi) 0.4 dB/km 3.5 ps/(nm×km)
SM/LC EEC SM 1310 nm 9/125 µm 0 dB ... 13 dB 20 km (12.43 mi) 0.4 dB/km 3.5 ps/(nm×km)
SM+/LC EEC SM 1310 nm 9/125 µm 12 dB ... 25 dB 45 km (27.96 mi) 0.4 dB/km 3.5 ps/(nm×km)
LH/LC SM 1551 nm 9/125 µm 14 dB ... 28 dB 80 km
b
(49.70 mi)
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 95 km (59 mi).
0.25 dB/km 19 ps/(nm×km)
Table 32: F/O port 2.5 Gbit/s (SFP fiber optic Gigabit Ethernet transceiver)