1
4a Connecting the Cables: Duplex Reliability
1
0
5 4 3 2
1
0
5 4 3 2
L
P
U
L
P
U
1
13
12
24
CONSOLE
U1 U21 2
U1 U21 2
IOIOI
10
IOIOI
10
1
1
2
1
2
1
1
2
1
2
TXRX
TXRX
Front Rear
D