Belden HIRSCHMANN BRS20, User Manual

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7.13 De-rating due to SFP transceiver
7.13.1 Fast Ethernet SFP transceiver
SFP-GIG-BB LX+/
LC EEC SM 1550 nm 1310 nm 9/125 µm 3 dB ... 20 dB 7.45 mi ...
24.86 mi
(12 km ... 40 km) 0.25 dB/km 19 ps/(nm×km)
SFP-GIG-BA LH/
LC EEC SM 1490 nm 1550 nm 9/125 µm 4 dB ... 24 dB 11.80 mi ...
49.71 mi
(19 km ... 80 km) 0.25 dB/km 19 ps/(nm×km)
SFP-GIG-BB LH/
LC EEC SM 1550 nm 1490 nm 9/125 µm 4 dB ... 24 dB 11.80 mi ...
49.71 mi
(19 km ... 80 km) 0.25 dB/km 19 ps/(nm×km)
a. MM = Multimode, SM = Singlemode, LH = Singlemode Longhaul
b. Including 3 dB system reserve when compliance with the fiber data is observed.
Product code De-rating for a device with operating
tempe140 °F (+60 °C) per SFP
transceiver used De-rating for a device with operating
tempe158 °F (+70 °C) per SFP
transceiver used Order number
M-FAST SFP-MM/LC 0 K a 943 865-001
M-FAST SFP-MM/LC EEC 0 K 0 K 943 945-001
M-FAST SFP-SM/LC 0 K a 943 866-001
M-FAST SFP-SM/LC EEC 0 K 0 K 943 946-001
Table 35: De-rating due to Fast Ethernet SFP transceivers
Product code
SFP-GIG-B... Mode
a
Wave length
TX Wave length
RX Fiber System
attenuation Example for F/O
cable length
b
Fiber
attenuation Dispersion
Table 34: F/O port (bidirectional Gigabit Ethernet SFP transceiver)