IPS-2042 Series User’s Manual
ORing Industrial Networking Corp.
12
MDI/MDI-X pins assignment
Pin Number
MDI port
MDI-X port
1 TD+(transmit)
RD+(receive)
2 TD-(transmit)
RD-(receive)
3 RD+(receive)
TD+(transmit)
4
P.O.E. power input +
P.O.E. power input +
5
P.O.E. power input +
P.O.E. power input +
6 RD-(receive)
TD-(transmit)
7
P.O.E. power input -
P.O.E. power input -
8
P.O.E. power input -
P.O.E. power input -
Note:
“+” and “-” signs represent the polarity of the wires that make up each wire pair.
4.2 Fibers
Only models “IPS-2042FX series” have fiber optical ports. The fiber optical ports are in
multi-mode and single-mode with SC connector. Please remember that the TX port of Switch
A should be connected to the RX port of Switch B.
Switch A
TX RX
RX TX
Switch B
Fiber cord
