SMC Networks EX245-FPS1 Operation Manual page 32

Note
・ If a copper communications cable is used and the "Disable autonegotation" option is selected,
you must select the correct network cable, refer to Fig 7-11, 7-12, 7-13.
・ Auto crossover function is not available when the 'Disable autonegotiation' option is selected.
・ Auto crossover function shall be capable of switching over their twisted pair ports automatically
between MDI and MDI-X pin assignment.
Fig. 7-11 Usable cable types when "Disable autonegotiation" is selected
The following figure Fig.7-12 shows two different cable wiring.
M12 MDI
TD+ Transmit data+
RD+ Receive data+
TD- Transmit data-
RD- Receive data-
M12 MDI
TD+ Transmit data+
RD+ Receive data+
TD- Transmit data-
RD- Receive data-
Port Connection
Port 1 (XF1) to Port 2 (XF2)
Port 1 (XF1) to Port 1 (XF1)
Port 2 (XF2) to Port 2 (XF2)
Patch cable
Pin
1
2
3
4
Crossover cable
Pin
1
2
3
4
Fig. 7-12 Patch and Crossover Cable details
- 31 -
Usable Cable
Patch cable
Crossover cable
Crossover cable
Pin M12 MDI-X
1 RD+ Receive data+
2 TD+ Transmit data+
3 RD- Receive data-
4 TD- Transmit data-
Pin M12 MDI
1 TD+ Transmit data+
2 RD+ Receive data+
3 TD- Transmit data-
4 RD- Receive data-
No.EX##-OMY0004