3Com 3C16894 4-slot Chassis manual lists the cables for the 48-port 100BASE-X SFP ports

I/O Modules 21

Table 25 Specifications for the 48-port100BASE-X SFP Module (continued)

Specification	Description
Dimensions (L X W)	366.7 x 340 mm (14.4 x 13.4 in.)
Maximum power consumption	36.5 W
Connector	LC
Number of ports	48
SFP module	100BASE-FX-MM-SFP
	100BASE-FX-SM-SFP
	100BASE-FX-SM-LR-SFP
	100BASE-FX-SM-VR-SFP
Port transmission speed	100 Mbps full-duplex
Compliance	1EEE 802.3
	1EEE 802.3u
	1EEE 802.3x
	1EEE 802.3ad
	1EEE 802.1p
	1EEE 802.1D
	1EEE 802.1Q
	1EEE 802.1X
	1EEE 802.1s
	1EEE 802.1w

Table 26 lists the cables for the 48-port 100BASE-X (SFP) ports

Table 26 Cables for the 48-port 100BASE-X SFP Module

	Central			Maximum
	wave-			transmission
SFP module	length	Connector	Matching cable	distance
100BASE-FX-MM-SFP	1310nm	LC	multimode optical fiber	2 km (1.2 mi)
100BASE-FX-SM-SFP	1310nm		cable	15 km (9.3 mi)
100BASE-FX-SM-LR-S	1310nm		9/125 µm single mode	40 km (24.9 mi)
FP			optical fiber cable
100BASE-FX-SM-VR-S	1550nm			70km (43 mi)
FP

24-port100BASE-FXThe 24-port 100BASE-FX MMF FE module provides 24 100 Mbps multi-mode MMF FE Module Ethernet optical port service channels.

Figure 16 illustrates the 24-port 100BASE-FX MMF FE module.