Dell 5000 Series, Инструкция по установке и эксплуатации

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Feature
23. I/O expansion port Connect an external expansion module for
additional I/O ports.
Topics:
• System LEDs
• DIP switches
System LEDs
Feature
1. Serial port status LED Provide the status of the serial port
connection.
2. CANbus port status LED Provide the status of the CANbus port
connection.
3. RS422/485 port status LED Provide the status of the RS422/485 port
connections.
4. RS485 port status LED Provide the status of the RS485 port
connections.
5. RS485 port status LED Provide the status of the RS485 port
connections.
6. Network status LED Indicates the connectivity status and
network activity.
7. Network status LED Indicates the connectivity status and
network activity.
8. Power status LED Indicates the power
‑
state of the system.
9. Mobile broadband status LED Indicates the mobile broadband status and
network activity.
System Features 8