Allied Telesis AT-FS705PD - Manual (Page 34)

Technical Specifications
26
Table 6 lists the RJ-45 connector pins and their signals used in Port 5 when
this port is connected to a PSE device using a cross-over cable.
Table 6 Port 5 RJ-45 Pin Signals (using cross-over cable)
PSE PWR
Configuration Alternative A
(MDI)
PSE side
Alternative A
(MDI-X)
PSE side
Alternative A
(MDI)
PSE side
Alternative A
(MDI-X)
PSE side
Pin Number Port 5 Signals (*)
1
TX+ and
Vport-1
RX+ and
Vport-1 TX+ RX+
2 TX- and
Vport-1 RX- and
Vport-1 TX- RX-
3
RX+ and
Vport-2
TX+ and
Vport-2 RX+ TX+
4 - - Vport+ Vport+
5 - - Vport+ Vport+
6 RX- and
Vport-2 TX- and
Vport-2 RX- TX-
7 - - Vport- Vport-
8 - - Vport- Vport-
(*) Vport-1 can be either Vport + or Vport-, depending on the PSE device.
Vport-2 can be either Vport+ or Vport-, depending on the PSE device.
If Vport-1 = Vport +, then Vport-2 = Vport-, and if Vport-1 = Vport -, then Vport-2 = Vport+.