User manual
3
2.4 Communication port
10Base-T /100Base-TX Ethernet port
10Base-T/100Base-TX Ethernet port is located on front panel and the type is RJ45. The pinout of RJ45 port
connects to UTP or STP. The distance is not more than 100m. 100Mbps Ethernet connector takes 120Ωof UTP 5,
10Mbps Ethernet connector takes 120Ωof UTP 3, 4, 5.
RJ45 port supports automatically MDI/MDI-X connection. It can connect PC, Server, Converter and
HUB .Corresponding connection of Pin 1,2,3,6 is like this: 1→3, 2→6, 3→1, 6→2. The definition of Pin is
displayed as below.
Information necessary to explain:
Note: ―TX±‖Transmitting data±, ―RX±‖receiving data±, ―—‖no use
MDI
(
straight-through cable
)
:
MDI-X
(
Cross over cable
)
:
100Base-FX fiber port
100Base-FX port works with full-duplex, SM or MM SC/ST optional. The fiber port must be used in pair,
TX (transmitting) port connects remote switch‘s RX (receive) port; RX (receiving) port connect remote switch‘s
TX (transmitting) port.
PIN
MDI
MDI-X
1
TX+
RX+
2
TX-
RX-
3
RX+
TX+
6
RX-
TX-
4, 5, 7, 8
—
—
1
8