BenQ PL4901 User Manual page 27

Color calibration & video wall setup software 27
DVI IN
DVI
DVI IN
DP IN
DP
DP IN
- Connect the DVI out of Display 1 to the DVI in of Display 2. DVI daisy chain
supports up to 12 displays without splitter.
Display 2
Display 1
DVI OUT DVI IN
4. Connect laptop to video walls (RS232 link).