Check the listing for details. Biamp Tesira EX-LOGIC Controller Free Shipping. Condition: New – Open box. Listed at 245.00 USD. Biamp Tesira EX-LOGIC Controller A new item (open box) With Free Shipping. EX-LOGIC The Tesira EX-LOGIC is a half-rack logic box for use with Tesira SERVER, SERVER-IO, TesiraFORTÉ, IDH-1 and OH-1 devices. The EX-LOGIC provides both logic inputs and outputs and through software can be configured as a control interface. There are 16 total connections that can be used as inputs or outputs. Pins 1 – 12 are designated as Logic connections only and will accept contact closure or 5V TTL for input or provide contact closure or LED power (5V/10mA) for output. The remaining 4 connections can also be used for Logic connection or as variable voltage control input (e.g. interface to a potentiometer). Please review the Logic I/O Wiring section for more details. The EX-LOGIC also provides a serial port for the output of command strings that can be used to send action commands to other equipment in the system. Tesira EX-LOGIC expanders must be associated (proxied) via the equipment table to a SERVER, SERVER-IO, TesiraFORTÉ, IDH-1 and OH-1 device. EX-LOGIC Expanders have one Ethernet port and connect to the Tesira control network. Please refer to the Supported Network Topologies section for more details -16 total logic connections can be used as inputs or outputs -4 connections can also be used as voltage control inputs -Inputs can control actions within the software including: presets, mutes, ducking, room combining, paging functions, and much more -Outputs can trigger status relays, indicators or provide logic input to other controllable equipment -Serial port for the output of command strings -Connects to Tesira SERVER or SERVER-IO over AVB -Powered by PoE -Plug-in barrier strip connections -Front panel LEDs for device status indications -Half-rack chassis -RoHS compliant and AES grounded