INSTALLATIONS
2-32
2.2.4.2 Installation
Refer to the following diagram to install the connection box.
Note) When terminating the RS-485 lines at the NQD-2250 connection
box, set the TB4 jumper pins appropriately as shown at right.
1. Remove the 4 screws (M4) holding the cover to the main unit and remove the
2. Fix the main unit to the wall with 4 screws (M4) and wire the terminal
3. Fix the cables to the main unit with nylon bands, and then fix the cover to the main
unit with 4 screws (M4).
Cover
Main
Screw
Screw
Termina
l block
Screw
Screw
Cable
Nylon band
Terminate
ON
TB4
1 2 3
TB4
1 2 3
Terminate
OFF
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