3Com 1000BASE-SX quick start Number of SFM

82-PORT 1000BASE-SXAND 2-PORT 1000BASE-LX GIGABIT ETHERNET INTERFACE MODULES QUICK START GUIDE

Table 1 Mapping the GEN SFM* and the 2-port GEN Interface Module to the 7-slot Chassis

	Number of SFM	2-port GEN	SFM Backplane Port	SFM LED Numbers
Chassis Slot	Backplane Ports	Interface Module	Numbers Assigned	Assigned to Backplane
Number	Allocated to Slot	Port Numbers	to Chassis Slot	Port Numbers
1	4; only 2 are accessed	1	1	1
	by this module	2	2	2
2	4; only 2 are accessed	1	5	3
	by this module	2	6	4
3	4; only 2 are accessed	1	9	5
	by this module	2	10	6
4	4; only 2 are accessed	1	13	7
	by this module	2	14	8
5	4; only 2 are accessed	1	17	9
	by this module	2	18	10
6	4; only 2 are accessed	1	21	11
	by this module	2	22	12
7	Reserved for an SFM	Not applicable	Not applicable	Not applicable

*SFM = Switch Fabric Module