3Com 100BASE-FX - Manual (Page 12)

12 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide
Table 5 Mapping the 24-port GEN SFM and the 20-port FEN Switching Module to the 8-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 4; up to 2 can be
accessed by this
module 21
22
1
2
1
2
2 4; up to 2 can be
accessed by this
module 21
22
5
6
3
4
3 4; up to 2 can be
accessed by this
module 21
22
9
10
5
6
4 4; up to 2 can be
accessed by this
module 21
22
13
14
7
8
5 4; up to 2 can be
accessed by this
module 21
22
17
18
9
10
6 4; up to 2 can be
accessed by this
module 21
22
21
22
11
12
7 Reserved for an SFM Not applicable Not applicable Not applicable
8 Reserved for an SFM Not applicable Not applicable Not applicable