Network Card User Manual

Intel
®
21143 PCI/CardBus 10/100Mb/s Ethernet LAN Controller
10 Design Guide
Figure 3. 10BASE-T Network Connection with Buffers
tp_td+ 6
tp_td++ 7
tp_td- 5
tp_td-- 4
tp_rd- 9
tp_rd- 10
21143
Transmit
Path
Receive
Path
GND GND
61.9
301
61.9
301
806
TP Filters
and Chokes
78Z041
(SMD)
RJ45
GND
1
2
3
6
49.9
49.9
0.01 µF
LJ-05141.WMF
8
6
4
2
12
14
8
18
3
1
5
14
16
6
9
11
16
GND
74ACT244
0.1 µF
Ω
Ω
Ω
Ω
Ω
Ω
Ω