Design of the front and bottom panel
The following gure shows the front panel and bottom of the CPU module:
① Fixing screw
② Reset button
③ Status LEDs
④ Micro HDMI port
⑤ Micro USB port
⑥ Ventilation slot
⑦ PE terminal
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.
System overview
3.3 Basic components of the system
CN 4100 Communication System
14 Equipment Manual, 10/2021, A5E50871363-AA