9000-0447 Rev. I 
 
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3.10  Digital Communicator Operation (7100-D Model) 
The 7100-D digital communicator model features numerous formats for communication to 
a central station. The 7100-D provides the following functions:  
•  Line seizure - takes control of the phone lines, disconnecting any premises phones 
using the same lines.  
•  Off/On-Hook - perform on and off-hook status to phone lines. 
•  Listen for dial tone - 440 Hz tone typical in most networks. 
•  Dialing the Central Station phone number – programmable. 
•  Discern proper Central Station “ACK” and “Kiss-off” tone. 
•  Transmit data to the Central Station. 
•  Verify that data has been accepted by the Central Station. 
•  Hang-up and release phone lines. 
•  Communicate in a variety of formats. 
 
3.11  Central Station Reporting 
UL Listed receivers compatible with the 7100 are listed in Table 3-5 below: 
Table 3-5 UL Listed Receivers Compatible with the 7100 
Manufacturer Receiver Model Formats 
Silent Knight  Model 9000†  SIA-8 
SIA-20 
SK4/2 
3/1 14 
3/1 23 
Silent Knight  Model 9800/9500  SIA-8 
SIA-20 
SK4/2 
3/1 14 
3/1 23 
Contact ID 
Ademco  Model 685  3/1 14 
3/1 23 
Sur-Gard 
(Ver. 1.64 or higher) 
SG-MLR2-DG SIA-8 
SIA-20 
SK4/2 
3/1 14 
3/1 23 
Contact ID 
Osborne Hoffman  Quickalert  SIA-8 
SIA-20 
† If you are using the Model 9000 and the message “HELP” appears on the printer after 
attempting to download, the 9000 software must be upgraded. 
The Model 9000 must have the Model 9307 software package, Revision 900501 or later, 
to print the PROGRAMMING PASS and PROGRAMMING FAIL messages.