ZRS RS-232 Communications Module Quick Start Guide
RS-232 Interface CommunicationsUsage & Electrical Specifications RS-232 Interface Communications The ZRS is a popular choice for users who prefer RS-232 serial communications to the entire range of NCD devices. RS-232 is still a popular choice in industry because of it’s simplicity and ease of use. The ZRS remains one of our most unique devices, as it fits NCD devices equipped with a communications module socket, allowing any of our devices to use RS-232 serial communications. The ZRS is available in three popular options, allowing users to fit their preferred installation requirements. Functionally, all three are identical, providing true RS-232 communication