Siemens SIMATIC CN 4100 Equipment Manual page 14

System overview
3.3 Basic components of the system
Design of the front and bottom panel
The following figure shows the front panel and bottom of the CPU module:
①
②
③
④
⑤
⑥
⑦
Note
The Micro-HDMI port and Micro-USB port are intended for expert service only. They are not used
during operation or for normal service work.
14
Fixing screw
Reset button
Status LEDs
Micro HDMI port
Micro USB port
Ventilation slot
PE terminal
CN 4100 Communication System
Equipment Manual, 10/2021, A5E50871363-AA