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APC Uninterruptible Power Supply (UPS) - Apcupsd Master / Slave Configuration

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APC UPS apcupsd
Table of Contents

APC Uninterruptible Power Supply (UPS)
#

Link: https://help.ubuntu.com/community/apcupsd

Check if UPS is connected
# 

# List USB devices
lsusb

# Shell output:
Bus ... American Power Conversion UPS

Master Installation
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# Update package index
sudo apt update

# Instal package
sudo apt install apcupsd -y

Master Configuration
# 

# Open config
sudo vi /etc/apcupsd/apcupsd.conf

# Configuration
UPSCABLE usb  # Use USB connection
UPSTYPE usb # USB device

DEVICE /dev/ttyS0 # Uncomment device

NISIP 0.0.0.0 # Use all interfaces for slave communication
NISPORT 3551 # Use standard port

# Restart service after installation
sudo systemctl restart apcupsd

# Start & enable
sudo systemctl start apcupsd && sudo systemctl enable apcupsd


# Check status
systemctl status apcupsd

# Shell output:
...
DRIVER   : USB UPS Driver
STATUS   : ONLINE

Slave Installation
# 

# Update package index
sudo apt update

# Instal package
sudo apt install apcupsd -y

Slave Configuration
# 

# Open config
sudo vi /etc/apcupsd/apcupsd.conf

# Configuration
upstype net
device 192.168.30.10:3551 # Define master IP


# Check status
apcaccess status

# Shell output:
...
DRIVER   : NETWORK UPS Driver
MASTER   : 192.168.30.10:3551
STATUS   : ONLINE SLAVE

Selftest Menu
# 

# Stop service
sudo systemctl stop apcupsd

# Open selftest menu
sudo apctest

More Configuration Settings
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# Define server shutdown
BATTERYLEVEL 10