PowerDsine 6548 User Manual

Page of 28
 
PD-6548
 
 
Power over Ethernet Solutions 
16 
Cat. No.: 06-6860-056 
 
Table 2-6: Front Panel RJ45 Output Plug (per channel) 
Pin # 
Label 
Description 
P_RX+ 
Plus signal, Receive from DTE to PD 
P_RX- 
Minus signal, Receive from DTE to PD 
P_TX+ 
Plus signal, Transmit from DTE to PD 
Vdc (+) 
Feeding power (+) 
Vdc (+) 
Feeding power (+) 
P_TX- 
Minus signal, Transmit from DTE to PD 
Vdc (-) 
Feeding power (-) 
Vdc (-) 
Feeding power (-) 
 
 
 
Each output port is configured as shown in Figure 
 
2-3, as data pass-through 
ports for all data pins (pins 1, 2, 3 and 6) and DC power addition on the spare 
pins (pins 4, 5 , 7 and 8). Be certain to use Category 5 or higher cabling. 
Figure 
 
2-3 illustrates the Midspan functionality that adds DC power to the spare 
pins. 
 
DC -
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
Ethernet  
Switch
PD
RJ-45
RJ-45
Data
Data
Data
Data
Midspan Channel
Po
we
r B
u
s
Data
Data
Data
DC +
Data
DC -
DC +
 
Figure 
 
2-3: Connecting to the Midspan