Listing requirements 
EST3 Installation and Service Manual    C.9 
•  Signature modules must be configured as security devices 
(in 3-SDU, Device Type = Active Latching > Security) 
•  IDC8/4 devices must be configured so Routing Label and 
Alternate Routing Label are set to No_Cabinets (that is, the 
holdup event messages must not be displayed on any panel 
or other annunciator device) 
•  The system must be programmed so that all local outputs are 
suppressed. 
•  SIGA-CT1, SIGA-CT2, and SIGA-UM module loops used 
for holdup must be configured so Routing Label and 
Alternate Routing Label are set to No_Cabinets (that is, the 
holdup event messages must not be displayed on any panel 
or other annunciator device) 
•  The central monitoring station or FireWorks workstation 
must manned on a 24-hour basis 
The following material is extracted from UL 636, Section 86. It 
applies to Holdup alarm applications. 
86 Types of Remote Stations 
86.1 A holdup alarm signal shall be transmitted to one of the 
following remote stations: 
a) Direct to a constantly manned police department equipped for 
broadcasting radio calls to cruising squad cars or to a central 
station or residential monitoring station with facilities for 
relaying calls to a police department with such broadcasting 
facilities. The central station shall comply with the Standard for 
Central-Station Burglar Alarm Systems, UL 611, or the Standard 
for Central-Stations for Watchman, Fire Alarm and Supervisory 
Services, UL 827. The residential monitoring station shall 
comply with UL 611, UL 827, or both. 
b) Two or more private stations in places of business constantly 
open during the day, located within 500 feet (152 m) of the 
protected premises and commanding all public approaches to the 
premises.