The wiring support for less than 16 monitors.

Wirings

Use DH-SW4 to extend the extra 16 monitors

Distance limitation

A: Power supply to door stations

B: Power supply to monitors, and to DH-SW4

C: DH-SW4 to monitors

Cable Type	A	B	C

Cable Type	A	B	C
2 x 0.75 mm²	60 M	90 M	90 M
2 x 1.00 mm²	75 M	100 M	100 M
UTP cable	40 M	40 M	40 M

Wiring 1 and Wiring 2 have the same rules,

In the case of using cable 2 x 0.75 mm²

From the power supply to door stations (A), it is less than 75 meters. ( Wiring 2 usually doesn’t has DS)
From the power supply to monitors less than 90 meters.