Interlogix POE302-MS - Manual (Page 12)

6 IFS POE302-MS Ethernet Injector User Manual
WARNING: Please ensure the output voltage is set correctly
before applying power to remote device.
Note: POE302-MS and POE302-SP can be installed in pairs.
However, use of a third-party device is allowed if the device
complies with IEEE 802.3at Power over Ethernet standard.