Instruction Manual
150805 1
SECTION 1
INTRODUCTION
The Silent Knight Model 5128/29 is a low-cost slave communicator that meets the requirements for UL 864,
NFPA 72 Fire Alarm Systems for Central Station Service and NFPA 72 Remote Supervising Station Fire
Alarm Systems.
1.1 Features
• Compatibility with the Security Industry Association (SIA) reporting format and several other standard
reporting formats.
• Four channel (zone) inputs for system status reporting: fire alarm (channel or zone 1); system trouble–
channel 2 (or zone 2); supervisory–channel 3 (or zone 3); and miscellaneous–channel 4 (or zone 4).
• Optional two-number dialing with same or different account codes and reporting formats. Alarms,
troubles, and tests can be programmed to be reported to either or both numbers.
• Programmable as rotary-only or as Touch-Tone/rotary dialing.
• Built-in dual phone line-seizure circuit.
• Dual phone line monitor circuits.
• Transient voltage protection of phone lines.
• Built-in audible trouble buzzer.
• One relay output, programmable for alarm, trouble conditions, or trouble excluding low AC.
• Light-emitting diodes (LEDs), visible from front of enclosure, indicating: trouble condition (yellow);
presence of DC power (green), phone line 1 trouble (red); and phone line 2 trouble (red).
• Easy, English-language programming using Model 5230 Remote Annunciator.
• Fuseless design, 24 VDC.
• Electrically erasable read-only memory (EEPROM) for nonvolatile storage of all programmable option
data. Eliminates the need to reprogram the communicator if power is lost.
• Built-in watchdog circuit that monitors the operation of the 5128/29 and resets the communicator if a fault
is detected.
• Active high or contact closure input.
• Model 5129 can directly monitor control panel’s primary power.
• Compatibility with many Underwriters Laboratories (UL) Fire Listed receivers. (See Section 1.3 for list.)
• Model 5128 housed in 8-5/8" x 4" x 1-3/8" enclosure for mounting inside control panel.
• Model 5129 housed in a 10" x 10" metal enclosure.