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