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Notifier DS-DB Digital Series Distribution Board
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Notifier DS-DB Digital Series Distribution Board

DVC systemBulk audioDistribution boardRetrofitUL 864

A distribution board that adds digital bulk audio evacuation to the DVC system, converting digital audio to analogue and routing it to amplifiers and optional backups.

  • Input capacity of four digital audio channels
  • Takes two of the 32 DAL addresses
  • DS BUS interface to local bulk amplifiers and power supplies, EIA-485 control
  • Firefighter and emergency telephone circuit
  • Backup alarm message storage and USB port for VeriFire Tools
  • UL and ULC listed, with CSFM and FDNY listings

Standards and approvals: NFPA 72 2007 National Fire Alarm Code, Underwriter Laboratories Standard UL 864, Underwriter Laboratories of Canada (ULC) ULC-S527-99, Part 15 Class A conducted and radiated emissions as, UL Listed: S635, ULC LIsted: S635, CSFM: 7165-0028:0224 (NFS2-3030); 7165-0028:0243, FDNY: COA#6065 (NFS2-3030): COA#6085 (NFS2-640)

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Specifications

Specifications
SpecificationDetails
Digital Audio Ports, wire media, A and BEIA-485 protocol, power-limited. Maximum distance per segment is 1900 feet (579.12m) on Belden 5320UJ (18AWG, TP) FPL cable: 18AWG (0.821 mm2) twisted-pair, unshielded, power-limited.
Digital Audio Ports, fiber media, fiber option modulesDig- ital audio loop connectors support single- and multi-mode fiber with the use of fiber option modules. Refer to the fiber option datasheet for fiber specifications.
Alarm BusPower-limited, supervised by source. Recom- mended wiring: 14-18 AWG twisted-pair. Requires 16VDC minimum @ 20mA across the terminals to activate. Nominal 24VDC.
FFT RiserPower-limited output, supervised. Class A or Class B operation. Class B 2-wire connections require a 3/9k ohm 1/ 2 watt resistor (PN R-3.9K). Max. wiring resistance (including individual telephone zone to last handset) permitted is 50 ohms, 10,000 ft (3048 m) max. wiring distance at 14 AWG to last handset.
DS-BUSEIA-485 protocol, power-limited. DS-BUS points must be installed in the same enclosure or within the same room in conduit. End points require end-of-line resistors.
DS-DB endpointset termination switch (SW8)to ON.
DS-AMP endpointadd 120 ohm resistor on empty TB1 ter- minals.
AMPS-24 endpointresistor is present, and power supply must be an endpoint.
Audio OutPower-limited outputs (exception: an output pro- grammed for “Riser Mode to Control Modules”, “Riser Mode to RSM-AIM Series Modules”, or “Riser Mode to CIM/CSM Series Modules” is non-power-limited.)Up to 125 Watts output.
Primary and Backup 1 thru 4Four DVC-AO-level audio out- puts for connection to amplifiers. Non-power-limited inputs.
OUTFour DVC-AO-level audio outputs for connection to amplifiers. Power-limited. Supervision programmable. Amplifi- ers must be installed in the same enclosure or within the same room in conduit. 14-18 AWG, twisted-pair, unshielded.

Specifications as published by Notifier. Please confirm the exact model with us before ordering.

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