Transcript
Function
Pin#
Pin# ------------------------------------TX+ 1 <--------> 1 TX2 <--------> 2 RX+ 3 <--------> 3 RX6 <--------> 6 ------------------------------------STRAIGHT THOUGH CABLE
To allow for a straight-through cable, the hub provides an internal transmit/receive crossover function. This means the transmit circuit of the network adapter is connected to the receive circuit of the hub and vice versa. Pinout for the RJ45 Connector PINOUT FOR RJ45 CABLE CONNECTOR: -----------------------------------------------------------------1 |-| 8 |-----------| 2 |-| 7 |-----------| 3 |---6 |-----------| 4 |-| 5 |-----------| 5 |-| 4 |-----------| 6 |---3 |-----------| 7 |-| 2 |-----------| 8 |-| 1 |-----------| ----------------------------------END TOP For test purposes, you can directly connect two workstations or a workstation and a server without using a hub. This requires a special cable that incorporates the crossover function talked about at the beginning of this document. Function Pin# Pin# Function -------------------------------------------------TX+ 1 <--------> 3 RX+ TX2 <--------> 6 RXRX+ 3 <--------> 1 TX+ RX6 <--------> 2 TX-------------------------------------------------CROSSOVER CABLE Pinout an suggested wire colors --------------------------------------------------------1 2 3 4 5 6 7 8
|--| |--| |------| |-| |-| |------| |--| |--|
-----------Viewed from end
8 7 6 5 4 3 2 1
|brown---------------|\ |--white/brown-------| \ |green---------------| \ |blue----------------| |--white/blue--------| _Cable |--white/green-------| / |orange--------------| / |--white/orange------|/