4.5 Connection principle with hub/switch
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Several cameras at one PDM360
Adhere to the documentation of the switch manufacturer.
Some switches have an “autocrossing” function. The transmit and receive
wires are automatically recognised by these devices.
In this case, 1:1 patch cables are not compulsory.
ETHERNET CAMERA
O2M110
12
patch cable (1:1)
Display
Ethernet Cameras
patch cables (1:1)
Hub / Switch
Definition patch cable:
patch cable = uncrossed cable = 1:1 wiring = straight-
through cable = point-to-point
i
Connection principle with hub/switch
TxD +
TxD
RxD +
RxD
TxD +
TxD
RxD +
RxD
patch cable (1:1)
Patch cable principle (1:1)