This external alarm enables users to use Digital Input to detect
and the connected Ultra Power over Ethernet splitter – the POE-171S – will separate the digital data and the power into three optional outputs 
Modbus TCP Provides Flexible Network Connectivity for Factory Automation
it also offers secure remote management by supporting SSH
the IGS-20160HPT allows the operation of a high-speed trunk combining multiple ports
Netonix WS-6-MINI Mini Managed Passive POE Switch fiber-optics This external alarm enables usersDesigned with a rugged chassis and extended operating temperature range with a simple yet powerful user interface. Configureable voltage current 24V PoE Ports Pins 4,5 (+) Pins 7,8 ( ) 1A 48V PoE Ports Pins 4,5 (+) Pins 7,8 ( ) 1A 24VH PoE Ports Pins 1,2,4,5 (+) Pins 3,6,7,8 ( ) 2A 48VH PoE Ports Pins 1,2,4,5 (+) Pins 3,6,7,8 ( ) 2A Ports 02 06 Ports 02 06 N A Port 02 Manufactured in North America Standard Desktop Wall mount Optional DIN Rail