Specifications
Back-UPS Pro 500 BG500 120 Vac26
How to Recover a Lost Password or Misconfigured
Network Interface
Press the Reset button for 20 seconds to reset the user name and password to the defaults of apc and apc. This will
also result in the network interface being reset to factory default of DHCP.
Set the IP Address on a Network Without DHCP
1. In order to add a static IP Address directly, connect your laptop to the Back-UPS Pro UPS directly using
the supplied Ethernet cable. Click the “Find And Setup Devices Off Network” tab in the Wizard.
2. Click Start Search to begin. After the Back-UPS has searched the network, the Back-UPS unit should be
listed in a table within the Utility.
3. Click the MAC address in the MAC Address table of the Wizard for configuring an new IP address, Subnet
Mask, Gateway Address for the Back-UPS.
By clicking the “?” appearing a Network Adapter Information window, you can check the properties of the
Network. Connection of your PC to get the TCP/IP settings of your computer. Fill up the field and Apply
Changes:
• IP Address: xxx.yyy.0.1 (xxx and yyy are the same to your computer in the Network Adapter
Information).
• Subnet Mask: 255.255.0.0
• Gateway Address: xxx.yyy.0.1 (xxx and yyy are the same to your computer in the Network Adapter
Information).
4. The Web Interface will be open. Refer to "Access the Web management interface" on page 25.
How to Change Back-UPS to Another Network
1. Login to the web interface of Back-UPS.
2. Click to "Network Menu" on page 40 in path of Network > Settings.
3. Configure the network settings that you want to change.
4. Reboot the Management Interface in path of Network > Reset/Reboot, or press the Network Reset button
in the rear panel of Back-UPS for 1 second.
5. Connect the Back-UPS to other network with the Ethernet cable.
6. Access the Web page of Back-UPS with the new IP address.










