
SC9000
ST150 SAFECOM Central Station Operations Manual
© 2002 Radionics Page 19 4998122249B
4. Radio Communicator Procedures
4.1. SC2104
4.1.1. SC2104 Alarm Panel Backup Communicators Overview
The SC2104 provides the ability to detect simultaneous loss of Telephone Line voltage and Line current to an alarm panel
Dialer. This Telephone Line Fault Monitoring (LINE CUT) capability is performed by connecting the SC2104 in series
between an alarm panel Dialer and the telephone RJ31X or RJ32X phone jack. The Telephone Line Fault Monitoring
ensures immediate and accurate line status reporting and enhances system integrity.
The SC2104 is also capable of monitoring the status of eight (8) Inputs. These input lines allow End-Of-Line (EOL)
supervisory loop status monitoring for NORMAL, OPEN, and SHORT contacts, alarm panel BELL OUTPUT, and pull
down to GROUND type conditions. Up to eight (8) Loops or Devices, two per SC2104 Input, may be monitored. These
inputs may be driven from Normally Open or Normally Closed contacts, such as those found on a relay output, or may be
driven by a switching voltage source such as a programmable output or BELL OUT provided by many alarm panels.
The SC2104 is normally configured as a stand-alone device for interface with the customer's existing alarm panel. It is
located at a customer site; commercial or residential. The smaller physical dimensions of the SC2104 (4.5" W x 3.75" H x
3.5" D) permit installation inside of an existing alarm panel. With the SC2104 placed inside the alarm panel enclosure,
interconnect wiring will not be exposed, and the SC2104 will be in a protected environment, thus providing greater system
security and integrity. The antenna can be mounted directly on the alarm panel via the Radionics factory provided RF
cable, or remotely positioned with the Radionics factory provided “L” type bracket for optimum radio reception and
transmission.
The telephone line status reports and input status messages are digitally encoded by the SC2104 and sent via a
SAFECOM network to the Central Station's SC9000 computer. The messages are processed by the SC9000 computer
and sent to a Central Monitoring Station’s Automation Software for processing.
The SC2104 functions strictly in a supervisory capacity when interfaced with an existing alarm system. The SC2104 is
designed for easy installation and interface with any Alarm system. Installation is performed by connecting the alarm
panel Dialer cable to the SC2104 modular “Dialer” connector, the House Phone cable to the SC2104 modular “ RJ31X”
connector, and the alarm panel BELL OUT or PANIC/DURESS buttons directly to the SC2104 Inputs.
No modifications to the existing alarm system are required! The normal operation of the existing alarm panel and security
system is not affected in any way. The existing detectors and initiating circuits still report the status of items directly to the
alarm panel. The SC2104 cannot send Input status messages via a Telephone Line. SAFECOM network radio
communication is the only mode of Telephone Line Fault and SC2104 Input status reporting to the Central Monitoring
Station.
4.1.2. Programming an SC2104 Account into the SC9000
There are 2 Radio Communicator setup pages for all SC2104 accounts. The Radio Communicator account Setup Menus
allow the operator to enter the programming parameters necessary to bring an SC2104 online. These Setup pages also
allow the SC9000 operator to configure the SC2104 inputs and telephone line fault monitor.
All account parameters contained in the Radio Communicator account Setup Menus are transmitted via the SAFECOM
network to the SC2104 in the field. These parameters are downloaded into the SC2104 to establish the operating
characteristics for that SC2104.
SC2104 Radio Communicator Account Setup Menu #1
Refer to the following illustration of the Radio Communicator account Setup Menu #1:
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