Samsung OH75F - Page 23

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Direct LAN cable (PC to HUB)
HDBT
(LAN IN)
RJ45 MDC
HUB
P1
P1P2
P2
Signal P1  Signal
TX+ 1
↔
1 TX+
TX- 
↔
 TX-
RX+ 3
↔
3 RX+
RX- 
↔
 RX-
Cross LAN cable (PC to PC)
HDBT
(LAN IN)
P1 P2
Signal P1  Signal
TX+ 1
↔
3 RX+
TX- 
↔
 RX-
RX+ 3
↔
1 TX+
RX- 
↔
 TX-