3Com 1000BASE-SX Quick Start Manual page 9

Table 2 Mapping the GEN SFM* and the 2-port GEN Interface Module to the 16-slot Chassis
Number of SFM
Chassis Slot Backplane Ports
Number Allocated to Slot
1 2
2 2
3 2
4 2
5 2
6 2
7 2
8 Reserved for an SFM
9 Reserved for an SFM
10 2
11 2
12 2
13 1
14 1
15 1
16 1
*
SFM = Switch Fabric Module
2-Port 1000BASE-SX and 2-Port 1000BASE-LX Gigabit Ethernet Interface Modules Quick Start Guide
2-port GEN
Interface Module
Port Numbers
1
2
1
2
1
2
1
2
1
2
1
2
1
2
Not applicable
Not applicable
1
2
1
2
1
2
1
1
1
1
SFM Backplane Port
Numbers Assigned
to Chassis Slot
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Not applicable
Not applicable
15
16
17
18
19
20
21
22
23
24
9
SFM LED Numbers
Assigned to Backplane
Port Numbers
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Not applicable
Not applicable
15
16
17
18
19
20
21
22
23
24