RJ45

10base-T straight cable

   
Pin No.
strand color
Name
   
     
1
white and orange
TX+
2
orange
TX-
3
white and green
RX+
4
NC
*
5
NC
*
6
green
RX-
7
NC
*
8
NC
*

10base-T cross cable

   
One end
RJ45 Male
Other end
RJ45 Male
1 (TX+)
3 (RX+)
2 (TX-)
6 (RX-)
3 (RX+)
1 (TX+)
*
*
*
*
6 (RX-)
2 (TX-)
*
*
*
*

100base-T straight cable

Pin No.
conductor color
Name
1
white and orange
TX_D1+
2
orange
TX_D1-
3
white and green
RX_D2+
4
blue
BI_D3+
5
white and blue
BI_D3-
6
green
RX_D2-
7
white and brown
BI_D4+
8
brown
BI_D4-

100base-T cross cable

   
One end
RJ45 Male
Other end
RJ45 Male
1 (TX_D1+)
3 (RX_D2+)
2 (TX_D1-)
6 (RX_D2-)
3 (RX_D2+)
1 (TX_D1+)
4 (BI_D3+)
7 (BI_D4+)
5 (BI_D3-)
8 (BI_D4-)
6 (RX_D2-)
2 (TX_D1-)
7 (BI_D4+)
4 (BI_D3+)
8 (BI_D4-)
5 (BI_D3-)

Reference:
http://konfigurasi-lan.blogspot.com/2008/07/lan.html
http://konfigurasi-lan.blogspot.com/2008_07_01_archive.html