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
O2M1
XX
11
UK
patch cable (1:1)
PDM360
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)