Viking PA-2A 2 WATT Paging Amplifier Loud Ringer Switches/Routers or through compatible plug-in modules

or through compatible plug-in modules that can send events over the public switched telephone network (PSTN) or over cellular network communications

LG webOS smart signage platform easily supports connections with external sensors such as GPIO

USB to 2 pin cable

the QXG-25G2SF-CX6 Dual-Port 25GbE PCIe 4

Viking PA-2A 2 WATT Paging Amplifier Loud Ringer Switches/Routers or through compatible plug-in modulesAdd Paging and Multiple Line Loud Ringing to Any Phone System The PA 2A provides loud ringing and paging to electronic key systems, 1A2 Key systems, PABX's as well as No KSU phones and multiline phones. Paging is accomplished by connecting the PA 2A to a paging port or unused telephone line input (trunk port) of nearly any phone system. The PA 2A will also generate adjustable loud ringing from up to 6 analog lines or from a dry contact clo sure.