NEC MultiSync BT421 Setup Manual page 5

Before making connections:
• First turn off the power of all the attached equipment and make
connections.
• Refer to the user's manual included with each separate piece of
equipment.
Second monitor*
Computer (DVI-D)
Computer (DVI-D)
*: Multiple monitors that are daisy-chained have a limit to the connectable monitors.
DVI OUT DVI1 DVI2
Solid lines =
video signal