3Com 2900 manual 1000Base-X SFP Interface, Transceiver Central Connector Type, Fiber

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 1-4Transceivers supported by the 3Com Baseline Switch 2900 Family 1000Base-X SFP

interfaces

Transceiver	Transceiver	Central	Connector
type		wavelength

SFP-GE-SX-MM850-A 850 nm

	SFP-GE-LX-SM1310-A
		1310 nm	LC
	SFP-GE-LH40-SM1310
GE SFP
	SFP-GE-LH40-SM1550
transceiver		1550 nm
	SFP-GE-LH70-SM1550
	SFP-GE-LX-SM1310-B	TX: 1310 nm
		RX: 1490
	IDI*
		nm
			LC
	SFP-GE-LX-SM1490-B	TX: 1490 nm
		RX: 1310
	IDI*
		nm
	SFP-GE-T	—	RJ-45

Fiber

50/125 µm multimode optical fiber

62.5/125 µm multimode optical fiber

9/125 µm single mode optical fiber

9/125 µm single mode optical fiber

Twisted pair cable

Max

transmis

sion

distance

550m (0.34 miles)

275m (0.17 miles)

10km (6.21 miles)

40km (24.86 miles)

40km (24.86 miles)

70km (43.50 miles)

10km (6.21 miles)

100m

(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.

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