3Com Baseline Switch 2900 Series User Manual

1-9
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.

3Com Baseline Switch 2900 Series Specifications

General

Brand	3Com
Model	Baseline Switch 2900 Series
Category	Switch
Language	English