1

Upper cover

Protect internal components and parts

2

Keypad

For details, see section 5.4 "Keypad operation"

3

Lower cover

Protect internal components and parts

4

Extension card

Optional. For details, see Appendix A "Extension   cards"

5

Baffle of control board

Protect the control board and install extension card

6

Cooling fan

For details, see chapter 8 "Routine maintenance"

7

Keypad interface

Connect the keypad

8

Nameplate

For details, see chapter 3 "Product overview"

9

Control terminals

For details, see chapter 4 "Installation guide"

10

Waterproof connector

Lock and secure   connection cables

11

Main circuit terminal

For details, see chapter 4 "Installation guide"

12

POWER indicator

Power indicator

13

Label of GD350 IP54 product series

For details, see section 3.5 "Model code" of this chapter