3Com 3C16896 8 slot AC Chassis manual Compact Flash CF Port, 1000BASE-X-SFP Ports

10CHAPTER 1: SWITCH 7750 COMPONENTS

■4-port 1000BASE-X-GBIC submodule

■4-port 10/100/1000BASE-T submodule

For more information on these submodules, see “Fabric 32 Submodules”on page 12.

Fixed Ports The Switch 7750 Fabric modules provide the following fixed ports:

■Compact Flash (CF) Port

■1000BASE-X-SFP (PoE Fabric 96 only)

■Console Port

■Ethernet Port

Compact Flash (CF) Port

The Fabric module provides a CF port to accommodate a standard CF card, where you can save logging information, host version information, alarming and other diagnostic information. You can also use the CF port to upgrade software online.

1000BASE-X-SFP Ports

The PoE Fabric 96 provides four 1000 Mbps full-duplex SFP ports. Table 4 describes the SFP cables for these ports.

Table 4 Cables for 1000BASE-T-SFP Modules

				Maximum
	Central			transmission
SFP Module	Wavelength	Connector	Matching Cable	distance
1000BASE-SX-SFP	850 nm	LC	50/125 µm	550 m (1804 ft.)
			multimode
			optical fiber
			cable
			62/125 µm	275 m (902 ft.)
			multimode
			optical fiber
			cable
1000BASE-LX-SFP	1310 nm		9/125 µm single	10 km (6 mi.)
1000BASE-LH-SFP			mode optical	30 km (19 mi.)
			fiber cable
1000BASE-ZX-LR-SFP	1550 nm			40 km (25 mi.)
1000BASE-ZX-VR-SFP				70 km (43 mi.)
1000BASE-T-FD-SFP		RJ-45		100 m (328 ft.)

Table 8 describes the LEDs of the SFP ports.

Table 5 SFP Port LEDs

LED	Description
LINK/ACT	Off — The line is not connected.
	Green — The line is connected.
	Green flashing — Data is being transmitted or received.