3Com 10-Port 100BASE-FX Quick Start Manual page 10

10 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide
Table 3 Mapping the 24-port GEN SFM and the 10-port FEN Switching Module to the 16-slot Chassis
Chassis Number of SFM
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
10-port Switching SFM Backplane Port
Module Backplane Numbers Assigned to
Port Numbers Chassis Slot
11 1
12 2
11 3
12 4
11 5
12 6
11 7
12 8
11 9
12 10
11 11
12 12
11 13
12 14
Not applicable Not applicable
Not applicable Not applicable
11 15
12 16
11 17
12 18
11 19
12 20
11 21
11 22
11 23
11 24
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