Cabletron Systems SmartSwitch 9000 User Manual page 10

Introduction
Figure 1-1. The 9T125-08 MicroLAN Switch Extension Module
1-2
TOKEN RING
9T125-08
SMB CPU
FNB
TR1 16 Mb
1 4
TR2 16 Mb
1 4
RING OUT
T
1
O
K
E
2
N
R
3
I
N
G
1 4
RING IN
RING OUT
T
1
O
K
E
2
N
R
I 3
N
G
2
4
RING IN