TOA Electronics 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.

Technical Specifications

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 Humidity
Under 90% RH (no condensation)
Dimensions
70 (W) x 185 (H) x 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