At firealarm.com, we’re familiar with the Edwards EST IO1000GD. It’s a highly reliable input/output module designed for use in fire alarm systems. The IO1000GD offers a variety of features including multiple input and output configurations, supervision capabilities, and compatibility with EST3 and EST3X panels. It’s a great choice for expanding your fire alarm system’s capabilities while ensuring efficient and effective monitoring and control. If you have any specific questions about its installation or integration within your system, feel free to ask!