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The KTK12 mine-used intrinsically safe visual intercom terminal is a terminal device for voice and visual intercom suitable for explosive gas environments in coal mines. This product features one-key call to the center, one-key call to the group, any dial-up call, and on-site video capture functions. The intercom terminal has the advantages of clear and loud sound, easy installation, convenient maintenance, anti-interference, and light weight.
【Performance Characteristics】
1.Safe and Reliable:
·Complies with intrinsic safety standards, equipped with explosion-proof and coal mine safety certifications.
·Resistant to explosion, corrosion, impact, and interference.
·Capable of withstanding harsh working conditions while maintaining stable performance and safe operation.
2.Rich in Functions:
·Visual network intercom with call and answer functions.
·One-key call to the center or the group.
·Keyboard dialing.
·Terminal status and dialed number display.
·Adding phonebook entries and checking call records.
·Software updates and restarts.
3.Data Transmission:
·Supports data transmission via Ethernet electrical and optical interfaces.
·Two Ethernet optical signal interfaces with a transmission rate of 1000 Mbps.
·Two Ethernet electrical signal interfaces with full-duplex transmission mode.
4.High Quality Sound and Image:
·Sound loudness ≥85dB(A), distortion ≤10%.
·Imaging under illumination of 50～300lux, with horizontal clarity not less than 400 lines and gray scale discrimination not less than 7 levels.
【Working Principle】
The KTK12 mine-used intrinsically safe visual intercom terminal is a visual help-seeking intercom terminal with 1000 Mbps Ethernet optical and electrical signal interfaces. It receives audio data from the network, decodes and plays it in real-time, and is equipped with a microphone input and speaker output. Additionally, the terminal is equipped with a camera for visual intercom.
【Product Parameters】
A. Dimensions
a)External dimensions: 495mm×395mm×111mm.
b)Weight: 10kg.
B. Material: 304 stainless steel, organic glass.
C. Power Supply
a)Nominal working voltage: DC12.0V.
b)Working current: ≤500mA.
c)Working voltage range: 12V.DC±5%.
D.Ethernet Electrical Signal
a)Number of interfaces: 6.
b)Interface type: RJ45.
c)Transmission rate: 1000Mbps.
d)Maximum transmission distance: 100m.
E.Ethernet Optical Signal
a)Interface type: Single-mode fiber (wavelength 1310nm).
b)Number of interfaces: 6.
c)Transmitting power: -20dBm～0dBm.
d)Transmission rate: 1000Mbps.
e)Maximum transmission distance: 10km.
F.CAN Signal
a)Number of interfaces: 2.
b)Transmission mode: CAN.
c)Transmission rate: 5kbps.
d)Maximum transmission distance: 900m.
G.RS485 Signal
a)Number of interfaces: 4.
b)Transmission mode: RS485.
c)Transmission rate: 9600bps.
d)Maximum transmission distance: 900m.
【Product Qualifications】
