Satchwell Pager Interface (SPI) for BAS 2800 Manual

This document describes the Satchwell Pager Interface (SPI), an option for the BAS 2800 building automation system that enables automatic and manual paging across multiple paging systems simultaneously. It details features such as message acknowledgment, group and sequential paging, dynamic alarm messaging, and a log of the last 200 transmissions, along with specifications for various output and acknowledgment drivers.