①
③
①
③
NO.
Component
1
Communication module
Internal fan 1
2
3
Internal fan 2
M70A
_260
⑦
⑥
⑤
M50A
_260/261/240
⑦
⑥
⑤
Figure 2-5: layout
Table 2-4: layout description
NO.
Component
4
Type II DC SPD
5
Type II AC SPD
6
AC terminal
17
Introduction
④
②
④
②
NO.
Component
7
Internal grounding