3Com Server User Manual page 12

1-2 C 1: I
HAPTER
A larger-scale TR-in-FE configuration appears in
Such a system allows both token ring and Ethernet devices
to share the same Fast Ethernet physical wiring infrastructure
and server base. Servers that are to be used for both token
ring and Fast Ethernet clients must be equipped with both
3C395 and Fast Ethernet NICs.
SuperStack II Hub TR
1x
2x
3x
4x
100 BA
5x SE- T4
6x
7x
8x
9x
10x
11x
12x
ACTIV ITY
LINK
PARTI TION
1 2
16/4 Mbps
token ring clients
SuperStack II Hub 100
1x
2x
3x
4x
5x 100 BA
SE- T4
6x
7x
8x
9x
10x
11x
12x
ACTIV
ITY
LINK
PARTI
TION
1 2
Ethernet
clients
Figure 1-2 Larger-Scale TR-in-FE System
The 3C395 NIC is based on 3Com Fast Ethernet
technology. The NIC has the following features:
Parallel Tasking architecture for high throughput and
low processor utilization
Support for full-duplex operation
Support for PCI 2.0 or higher specifications
32-bit bus master design
Status LEDs
Single shielded RJ-45 connector
Support for Category 5 unshielded twisted-pair (UTP)
cabling for 100BASE-TX Fast Ethernet networks
NTRODUCTION
SuperStack II Switch 2000 TR
with TR-in-FE module
STA TUS
UN IT
3 4
5 6 SUP ER
7 8 STA CK
9 10 11 12
OVERT
13 EMP
COLLIS ®
ION
PWR
Supe
Hub 100 rSta ck II
T4
Token ring
servers
STA TUS
UN IT
3 4 SUP ER
5 6 7 8
9 10 STA CK
11 12
13 OVERT
EMP
COLLIS ®
ION PWR
Supe rSta ck
Hub 100 II
T4
SuperStack II Switch 3000
Sup erSt
ack II
LS 2000
SUP ER
STA CK
®
Servers with both
3C395 and Fast Ethernet NICs
Figure 1-2.
100B ASE
-TX
DOW NLIN
K
100B ASE
-TX
SUP ER
STA CK
®
Link Swit
3000 ch