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User’s Manual
PSE-SW5G2280HM
MSTRONIC CO., LTD.
5
MDI/MDI-X crossover allows you to connect to other devices (switches, hubs, or workstations etc.),
without regard to using straight-through or crossover cabling.
Port 1 to 4 provides Power over Ethernet function that delivers DC power through the spare pairs
(pin 4, 5 and 7, 8) to the PD. Port 5 use all 4 pairs.
The following tables describe the wiring diagram of straight-through and crossover cabling. That
crossover cables simply cross-connect the transmit lines at each end to the receive lines at the
opposite end.
Straight-through Cabling
Pin 1
Pin 1
Pin 2
Pin 2
Pin 3
Pin 3
Pin 6
Pin 6
Pin 4
Pin 4
Pin 5
Pin 5
Pin 7
Pin 7
Pin 8
Pin 8
Cross-over Cabling
Pin 1
Pin 3
Pin 2
Pin 6
Pin 3
Pin 1
Pin 6
Pin 2
Pin 4
Pin 7
Pin 5
Pin 8
Pin 7
Pin 4
Pin 8
Pin 8
Connect an Ethernet cable into any switch port and connect the other side to your attached device.