60 NFS-320/E/C, NFS-320SYS/E Operations Manual — P/N 52747:E1 06/16/2011
Appendix C: Remote Terminal Access
C.1 General Description
The control panel can communicate with a remote terminal or computer connected to the EIA-232
PC/Terminal port. Refer to the NFS-320 Installation Manual for installation information.
This port may be set up for interactive operation or for monitoring only. Interactive operation
requires that all equipment be UL-listed under UL Standard for Safety UL 864 and be installed and
set up as directed under Local Terminal Mode (LocT) or Local Monitor Mode (LocM).
ITE (Information Technology Equipment) equipment listed under UL 1950 is allowed for ancillary
system monitoring when the system is installed and set up as directed under Remote Terminal
Mode (RemT).
C.2 Operating Modes
The control panel provides three operating modes for the CPU EIA-232 PC/Terminal port:
• Local Terminal - LocT
• Local Monitor - LocM
• Remote Monitor - RemM
You select the operating mode during control panel programming (Global System Functions). For
more information, refer to the NFS-320 Programming Manual.
The following subsections outline the functions, password requirements, and additional
information for each operating mode.
C.2.1 Local Terminal Mode (LocT)
Functions, passwords, and special requirements of Local Terminal Mode (LocT) are:
Functions available with the Local Terminal Mode:
NOTE: See the NFS-320 Programming Manual for instructions on enabling the CRT.
Functions: Read Status, Alter Status, and Control Functions (Table C.1).
Passwords: User-defined password for Alter Status functions.
Requirements: The terminal must be mounted in a UL 864 listed enclosure or positioned to provide
equivalent protection against unauthorized use.
Function Lets you...
Read Status
• Display the status of an individual point (Detector, Module, or Zone).
• Display a list of all the points in Alarm or trouble.
• Display a list of all programmed points in the system.
• Step through the History buffer event by event.
• Display the entire History buffer.
Alter Status
• Disable/Enable an individual point.
• Change the sensitivity of a detector.
• Clear the verification counter of all detectors.
• Clear the entire History buffer.
• Set the Intelligent Sensing alert and action levels.
Table C.1 Local Terminal Mode Functions (1 of 2)
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