User guide
53688 1-1
Section 1
Introduction
The MS-25 Fire Alarm Control / Communicator is an addressable fire control system that
meets the requirements of UL 864, ULC 527, and ULC 559. Unless otherwise indicated, all
references to MS-25 also refer to MS-25C and MS-25E.
1.1 Overview of Basic System
1.1.1 Hardware Features
• The MS-25 has one signaling line circuit (SLC) that supports 25 SLC devices (See
Section 5.1), and one SBUS circuit that supports two remote annunicators.
• 2.0A of output power is available through 2 sets of terminals for notification appliance
circuits or 1.0A for auxiliary power applications. Each circuit is power limited per UL 864
and can source up to 2.0A.
Note: Total output power for all three circuits must not exceed 2.0A.
• Built-in dual phone line, digital alarm communicator/transmitter (DACT).
• Reports events to central station by zone.
• Two general purpose Form C programmable relays.
• One Form C Trouble Relay.
1.1.2 Software Features
• The MS-25 is an addressable panel that operates like a 5 zone conventional panel.
• Advanced addressable smoke detector features:
–Automatic drift compensation
–Maintenance alert region
–Point status meets calibrated smoke test requirements for NFPA 72
• Auto learn “JumpStart” feature for easy programming.
• A choice of output patterns available for notification outputs, including ANSI 3.41
temporal signal.
• Built-in synchronization appliance support for Amseco, Gentex
®
, Wheelock
®
, or System
Sensor
®
.










