
User manual
8
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.
Suppose
: If you make your own cable, we advise to label the two sides of the cable with the same letter
(A-to-A and B-to-B, shown as below, or A1-to-A2 and B1-to-B2).
2.6 Serial port connection
RS-232
Serial port
:
PIN
RS-232
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS