Hexin Technology HXSP-1002A 2-Port RS-232 to Ethernet Serial Device Server User Manual
Page 4
pin
MDI signal
MDI-X signal
1
TX+
RX+
2
TX-
RX-
3
RX+
TX+
6
RX-
TX-
4, 5, 7, 8
—
—
【LED indicator】
Power supply input: ATC bright all along
Serial 1 connected: Port1 on bright all along
Serial 2 connected: Port2 on bright all along
Connected network: LINK and TX/RX indicator bright all along
10/100Base-T Ethernet port
The 10/100BaseT(X) ports located on facility front panel. The PIN define of RJ45 port display as
follows, Connect by UTP or STP. The connect distance is no more than 100m. 100Mbps is used
100Ωof UTP 5, 10Mbps is used 100Ωof UTP 3, 4, 5.
RJ 45 port support automatic MDI/MDI-X operation. Can connect the PC, Server, Converter and
HUB by straight–though cable. Pin 1,2,3,6 Communication connect in MDI. 1→3, 2→6, 3→1,
6→2
are
used
as
cross-over
cable
in
the
MDI-X
port
of
Converter
and
HUB.
10Base-T/100Base-TX are used in MDI/MDI-X, the PIN define in the table as below.
1
8
Note: “TX±” transmit data±, “RX±” receive data±, “—”not use.
MDI (Straight-through cable):
RJ45
8
1
TX+
3
TX-
6
RX+
1
RX-
2
3
RX+
6
RX-
1
TX+
2
TX-
MDI-X (Cross-over cable):
RJ45
8
1
(RX+) TX+
3
(RX-) TX-
6
(TX+)
RX+
1
(TX-)
RX-
2
1
RX+ (TX+)
2
RX- (TX-)
3
TX+ (RX+)
6
TX- (RX-)
RS-232/485/422 serial port