H3C Technologies H3C S12500 Series Switches - Manual (Page 18)

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Models and specifications
2.5-Gigabit SFP fiber transceiver modules use LC connectors.
Table 9 Specifications for 2.5-Gigabit SFP fiber transceiver modules
Model
Central
wavelength
(nm)
Fiber
mode
Fiber
diameter
(μm)
Transmission
distance
Optical parameters
Transmit
power
Receive
power
SFP-2.5G-LX-S
M1310
1310 SMF 9/125
2 km (1.24
miles) –10 dBm to
–3 dBm –18 dBm to –3
dBm
SFP-2.5G-LH1
5-SM1310
1310 SMF 9/125
15 km (9.32
miles) –5 dBm to 0
dBm –18 dBm to 0
dBm
SFP-2.5G-LH4
0-SM1310
1310 SMF 9/125
40 km (24.86
miles) –2 dBm to +3
dBm –27 dBm to –9
dBm
SFP-2.5G-LH8
0-SM1550
1550 SMF 9/125
80 km (49.71
miles) –20 dBm to
–14 dBm –31 dBm to
–12 dBm
100-Megabit BIDI fiber transceiver module
Figure 8 100-Megabit/Gigabit BIDI fiber transceiver module
Models and specifications
100-Megabit BIDI fiber transceiver modules provide a transmission rate of 155 Mbps and use LC
connectors.
Table 10 Specifications for 100-Megabit BIDI fiber transceiver modules
Model
Central wavelength (nm)
Fiber
mode
Fiber
diameter
(μm)
Transmission
distance
Optical parameters
Transmitting
end (TX)
Receiving
end (RX)
Transmit
power
Receive
power
SFP-FE-LX-S
M1310-BIDI
1310 1550
SMF 9/125
15 km (9.32
miles) –15 dBm
to –8 dBm –31 dBm
to –3 dBm
SFP-FE-LX-S
M1550-BIDI
1550 1310