Since Trend/Honeywell restricts distribution of legacy manuals:

As of 2025, Trend (Honeywell) has largely moved to the IQ4 and IQ Vision platforms. Consequently, the is officially "End of Life" (EOL) on the Honeywell portal. However, its value has not diminished.

: Managing multiple clients over an Ethernet network.

In the Building Management System (BMS) and HVAC industry, "The 963" is legendary. Engineers often refer to the configuration guides or programming manuals simply as the "963 engineering manual" or "the Trend manual."