Dahua DHI-VTNS1001B-2 Benutzerhandbuch - Seite 7
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Table 1-1 Description of using different cables
Cable Type for Cascading
2-core cable
4-core cable
Ethernet cable
The cable between 1 switch and one VTO/VTH must be longer than 1 m.
Supported
Device
Quantity
20 VTHs and 2 VTOs.
12 VTHs and 2 VTOs.
2
Maximum Distance
50 m between one switch and one VTH/VTO.
30 m between one switch and one VTH/VTO.
Because each core in an Ethernet cable has a
relatively large impedance, we recommend
that the cable should not be longer than 30
m.