Studio Technologies Model 5518A Mic/Line Interface

Essential Overview of Model 5518A Mic/Line Interface
The Model 5518A Mic/Line Interface provides a seamless solution for interfacing both microphone and line-level analog signals into digital formats for Ethernet-based audio networking. Utilizing the SMPTE® ST 2110 suite of standards, this interface ensures robust, redundant streaming performance, making it a go-to device for professionals in on-air and commercial applications.

Professional Connectivity and Configuration
Featuring eight mic/line audio inputs with standard 3-pin female XLR connectors, the Model 5518A ensures ease of interfacing with both balanced and unbalanced sources. Each input is equipped with adjustable gain, P48 phantom power, and a high-pass filter, all configurable via local pushbuttons or remotely through a web server. This dual-mode configuration flexibility is ideal for dynamic studio environments.

Advanced Monitoring and Signal Integrity
The monitoring section of the Model 5518A is designed for precision. Operators can selectively observe input and output levels via a meter function, and listen through the headphone output or two line-level analog outputs. This meticulous monitoring capability supports critical audio management tasks, ensuring signal integrity across various broadcasting scenarios.

High-Performance Network Interfaces
Equipped with three Gigabit Ethernet interfaces, the Model 5518A supports dual redundant streams following the ST 2022-7 standard, with a third interface dedicated to system management. This robust networking capability is key for maintaining continuous, reliable operation in professional audio environments.

Flexible Power and Installation Options
The Model 5518A operates on both AC and DC power supplies, providing redundancy in power sources to ensure uninterrupted service. The compact 1U rack-mount design facilitates easy integration into any standard 19-inch rack, making it a space-efficient solution for both fixed and mobile setups.