1000Base-T Pin Assignments - SMC Networks 8505T - annexe 1 Manual

C
ABLES
The table below shows the 10BASE-T/100BASE-TX MDI-X and MDI port
pinouts.
Pin
1
2
3
6
4,5,7,8

1000BASE-T Pin Assignments

The table below shows the 1000BASE-T MDI and MDI-X port pinouts.
These ports require that all four pairs of wires be connected. Note that for
1000BASE-T operation, all four pairs of wires are used for both transmit
and receive.
Use 100-ohm Category 5, 5e, or 6 unshielded twisted-pair (UTP) or
shielded twisted-pair (STP) cable for 1000BASE-T connections. Also
be sure that the length of any twisted-pair connection does not exceed
100 meters (328 feet).
Pin MDI
1
Bi-directional Data One Plus (BI_D1+)
2 Bi-directional Data One Minus
(BI_D1-)
3 Bi-directional Data Two Plus (BI_D2+)
Bi-directional Data Three Plus (BI_D3+)
4
Bi-directional Data Three Minus
5
(BI_D3-)
6 Bi-directional Data Two Minus (BI_D2-)
7 Bi-directional Data Four Plus (BI_D4+)
8 Bi-directional Data Four Minus
(BI_D4-)
12
MDI-X Signal Name
Receive Data plus (RD+)
Receive Data minus (RD-)
Transmit Data plus (TD+)
Transmit Data minus (TD-)
Not used at 10/100 Mbps
MDI Signal Name
Transmit Data plus (TD+)
Transmit Data minus (TD-)
Receive Data plus (RD+)
Receive Data minus (RD-)
Not used at 10/100 Mbps
MDI-X
Bi-directional Data Two Plus (BI_D2+)
Bi-directional Data Two Minus (BI_D2-)
Bi-directional Data One Plus (BI_D1+)
Bi-directional Data Four Plus (BI_D4+)
Bi-directional Data Four Minus (BI_D4-)
Bi-directional Data One Minus (BI_D1-)
Bi-directional Data Three Plus (BI_D3+)
Bi-directional Data Three Minus (BI_D3-)