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1000Base-X SFP Interface
Each 3Com Baseline Switch 2900 Family provides four 1000Base-X SFP interfaces on its front panel.
You can select the GE SFP transceivers described in
Table 1-4.
Table 1-4 Transceivers supported by the 3Com Baseline Switch 2900 Family 1000Base-X SFP
interfaces
Transceiver
type
Transceiver
Central
wavelength
Connector Fiber
Max
transmis
sion
distance
50/125 µm
multimode
optical fiber
550 m
(0.34
miles)
SFP-GE-SX-MM850-A 850 nm
62.5/125 µm
multimode
optical fiber
275 m
(0.17
miles)
SFP-GE-LX-SM1310-A
10 km
(6.21
miles)
SFP-GE-LH40-SM1310
1310 nm
40 km
(24.86
miles)
SFP-GE-LH40-SM1550
40 km
(24.86
miles)
SFP-GE-LH70-SM1550
1550 nm
LC
9/125 µm
single mode
optical fiber
70 km
(43.50
miles)
SFP-GE-LX-SM1310-B
IDI*
TX: 1310 nm
RX: 1490
nm
SFP-GE-LX-SM1490-B
IDI*
TX: 1490 nm
RX: 1310
nm
LC
9/125 µm
single mode
optical fiber
10 km
(6.21
miles)
GE SFP
transceiver
SFP-GE-T — RJ-45
Twisted pair
cable
100 m
(328.08
ft)
Note* that SFP-GE-LX-SM1310-BIDI and SFP-GE-LX-SM1490-BIDI must be used pairwise.
The types of SFP transceivers may update with time. For information about transceivers, contact 3Com
technical support or marketing staff.