04-31, Skudai Parade
Shopping Complex,
Batu 10, Jalan Skudai,
81300 Skudai, Johor,

Lot 3, Block B,
Subang Light Industrial Park,
Off Jalan Subang 2, USJ 1,
47610 Subang Jaya,
Selangor, Malaysia.

14, Jalan Medan Ipoh 9,
Bandar Baru Medan,
31400 Ipoh,
Perak, Malaysia.


N-8031SB.Hands-Free Master Station Board Unit

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N-8031SB.Hands-Free Master Station Board Unit

The N-8031SB is a printed circuit board unit for the N-8031MS Flush-mount Hands-Free Master Station, You can make the master station suitable for applications using the N-8031SB in combination with the operation panel section to be prepared separately.


Power Source 48 V DC (supplied from the IP intercom exchange (option))
Power Consumption 1.8 W (at rated), 2.4 W (max.)
Wiring Method Non-polar one pair stranded wire system
Transmission System 2 wire 160 kbps echo canceller transmission system
Signal Level Under 0 dB*
Speech Method Hands-free conversation
(Handset conversation can be established in conjunction with the RS-191 (option)).
Audio Frequency Range 300 - 7,000 Hz
Transmission Range Max. 1500 m (φ0.65 mm, Loop resistance 170 Ω)
Hands-free Speaker (accessory): 5.7 cm cone-type, 0.6 W, 8 Ω
Microphone (accessory): Omni-directional electret condenser microphone
Line Connection Terminal Pin header (2 pins)
Status Indicator LED Connecting Terminal Solderless connector (2 pins, male), voltage: 5 V, maximum load current: 5 mA
Dial Input Solderless connector (10 pins, male), open voltage: 3.3 V DC,
short-circuit current: 1 mA
External Dial Input No-voltage make contact input, open voltage: 5 V DC,
short-circuit current: 1 mA, screwless connector (5 pins)
Operation Temperature 0→ to +40→
Operation Humidity Under 90% RH (no condensation)
Dimensions 70 (W) × 185 (H) × 20.6 (D) mm
Weight 205 g (including accessories)
Accessory Removable terminal plug (2 pins, preinstalled on the unit) …1,
Handset jumper (8 pins, preinstalled on the unit) …1, Ferrite clamp …1,
Hands-free speaker (with connection cord) …1,
Hands-free microphone (with connection cord) …1
Option Option handset: RS-191

Brochure :

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