Selecting the Correct Cables
23
Figure 7
Connecting Other Devices to the Power Source Unit
Table 4 and Table 5 list the RJ45 input and output plugs (per port)
Table 4
RJ-45 Input Plug (per Port): Switch Side
Pin #
Label
Description
1
TX +
Tx data signal to switch or hub
2
TX –
Tx data signal to switch or hub
3
RX +
Rx data signal from switch or hub
4
Spare
Unused
5
Spare
Unused
6
RX –
Rx data signal from switch or hub
7
Spare
Unused
8
Spare
Unused
9
Shield
Connector shielding
Table 5
RJ-45 Output Plug (per Port): DTE (NIC) Side
Pin #
Label
Description
1
P_RX +
Rx Data Signal from DTE
2
P_RX –
Rx Data Signal from DTE
3
P_TX +
Tx Data Signal to DTE
4
–24Vdc_return (+)
Feeding power (+)
5
–24Vdc_return (+)
Feeding power (+)
6
P_TX –
Tx Data Signal to DTE
7
–24Vdc (–)
Feeding power (–)
8
–24Vdc (–)
Feeding power (–)
9
Shield
Connector shielding
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
RJ-IN
RJ-OUT
o e
ub
Switch/Hub
DTE/Splitter
RJ45
RJ45
data
data
data
DC +
data
DC -
data
data
data
data
spare
spare
spare
spare
