3Com 100BASE-FX - Manual (Page 2)

2 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide
For information about the software features that these modules support,
see the:
■
CoreBuilder 9000 Implementation Guide
■
Command Reference Guide
■
CoreBuilder 9000 Release Notes for the Fast Ethernet and Gigabit
Ethernet Layer 2 Switching Modules
Front Panel On the 10-port 100BASE-FX FEN Switching Module, the front panel ports
are numbered 1 through 10, as shown in Figure 1. The two 1-Gigabit
ports on the back of the module (not shown in Figure 1) are numbered
11 and 12.
On the 20-port 10/100BASE-TX FEN Switching Module, the front panel
ports are numbered 1 through 20, as shown in Figure 1. The two
1-Gigabit ports on the back of the module (not shown in Figure 1) are
numbered 21 and 22.
Figure 1 Front Panels for the 10/100BASE-TX and 100BASE-FX FEN Modules
In the 7-slot chassis, you install the modules horizontally with the LEDs at
the left. In the 8-slot chassis and the16-slot chassis, you install the
modules vertically with the LEDs at the top.
3CB9LF10MC
TX RX
1 2 1
TX RX
MOD ST
AT
2 3 4
6 7 8 9
5
10 TX RX
3
TX RX
4
TX RX
5
TX RX
6 7
TX RX TX RX
8
TX RX
9
TX RX
10
3CB9LF20R 1
MOD ST
AT
2 3 4 5 6
7
14
1X 2X 3X 4X 5X 6X 7X 8X 9X 10X 11X 12X 13X 14X 15X 16X 17X 18X 19X 20X
3CB9LF20R 1
MOD ST
AT
2 3 4 5 6
7
14
1X 2X 3X 4X 5X 6X 7X 8X 9X 10X 11X 12X 13X 14X 15X 16X 17X 18X 19X 20X
Model number
Ejector handle
Module Status LED
Port Status LEDs
RJ-45 ports
Ejector handle
Module Status LED
Port Status LEDs Fiber-optic ports
(SC connectors)
100BASE-FX
10/100BASE-TX