Chapter 6. Communication; Communication Ports; Connecting The Rs232 Or Usb Communication Port; Relay Output Contacts - Lenovo RT5.0kVA Installation And User Manual

Chapter 6. Communication

Communication ports

Connecting the RS232 or USB communication port

Note: The RS232 and USB communication ports cannot operate simultaneously.
Step 1. Connect the RS232
computer equipment.
Step 2. Connect the other end of the communication cable
communication port on the UPS.
The UPS can now communicate with Lenovo power management software.

Relay output contacts

The UPS incorporates four relay outputs; each one is available with a normally closed or open contact.
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or USB communication cable to the serial or USB port on the
or to the RS232 or USB
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