Trade Discount 25%
2 Way Listen-In Interface 3 Zones to Suit M1 Control Panel Ness
Ness listen-in interface features 2 way audio, 3 zones and M1 control panel compatibility. Ideal for alarm audio verification.
Please sign in so that we can notify you about a reply
Sign in
Please login to continue to your account.
Alternatively Known As: Ness M1TWI, Ness 101-216, ELK-M1TWI, M1 Two-Way Listen-In Module
Technical Specifications
- Compatibility: Ness M1 control panels
- Listen-In Zones: 3 separate microphone zones
- Microphone Capacity: Up to 4 microphones per zone, 12 microphones total
- Operating Voltage: 12 V DC
- Interface Board Current Draw: 10 mA
- Microphone Current Draw: 5 mA each
- Compatible Microphones: M1TWM or M1TWS microphones
- Circuit Board Dimensions: 89 x 70 mm
- Housing Dimensions: 111 x 76 x 28.5 mm
- Dimensions (H x L x W): 28.5mm x 111mm x 76mm
- Weight: 0.15 kg
Key Features
- Adds two-way listen-in functionality to compatible M1 control panels
- Supports up to three separately selectable microphone zones
- Allows up to 12 compatible microphones to be connected
- Supports alarm audio verification by a central monitoring station
- Enables remote audio monitoring through the M1 telephone remote-control function
- Programming and operation are managed through the M1 control panel
Professional Installation Requirements
- Installation, wiring and programming should be performed by a suitably qualified security-system technician in accordance with the M1 installation instructions and applicable local requirements.
Applications
- Alarm audio verification by central monitoring stations
- Two-way voice verification following an alarm event
- Remote audio monitoring in residential properties
- Remote checking of children, elderly residents or other occupants
- Ness M1 security and automation system upgrades
Standards & Compliance
- Applicable to intruder alarm systems installed in accordance with AS/NZS 2201.1:2007; product-specific compliance certification was not identified.
Environmental Benefits
- Ness publishes a RoHS certificate of compliance for its products, supporting restriction of hazardous substances in electronic equipment.
- Low-voltage operation and a low 10 mA interface current draw help minimise standby energy consumption.
- Extends the functionality of an existing M1 control panel, potentially reducing the need for full system replacement.
Warranty Information
Ness manufactured or supplied products are covered by a 3-year warranty from the date of purchase, unless otherwise specified. Warranty claims are subject to Ness Corporation terms and conditions.
Available Now
Available through Ness Corporation and authorised Australian security-equipment distributors.
