DSP9329A Explosion-proof Sound and Light Amplifying Telephone supports the standard SIP protocol and can be effectively compatible with commonly used IPPBX and network dispatching platforms in the market. It is specifically designed to respond to environment with flammable and explosive gas or dust, such as petrol stations, oil fields, hydrogen stations, chemical plants, underground pipeline galleries and gas tanks. This telephone is suitable to be installed in various harsh environments as it is defined by explosion-proof, waterproof, moisture-proof, dust-proof, cold-proof, frost-resistant, high-temperature, and Oxidation, anti-corrosion, anti-violent percussion and other properties.
Model | DSP9329A |
Product material | Aluminum alloy |
Product color | Outdoor yellow |
Protection level | IP68 |
Explosion-proof grade | Exna IC IIC T6 GC |
Power supply | 220V AC / 12V5A DC |
Dimensions | 320*255*138mm |
SIP line | Maximum 2 channels |
Network characteristics | LAN/WAN |
DTMF | In-band/RFC2833/SIP info |
Encoding | G.711(A/μ) / G.729A/B/AB / G.726 / iLBC / G.722/L16 |
DNS SRV | RFC3263 |
Firewall | VPN L2TP,DMZ |
SIP protocol | SIP 2.0 |
Speaker power | 8Ω 20W |
Speaker volume | ≥ 110dB |
Ambient temperature | -40℃~70℃ |
Environment humidity | ≥95% |
Installation method | Wall-mounted |
DSP9327 Waterproof Sound Alarm Wall-Mounted TelephoneNovember 3, 2021The Waterproof telephone is suitable for use in environments with special requirements such as subways, light rails, highways, ships, mines, power plants, steel companies, etc, which have special requirements for moisture, fire, explosion, noise, and frost resistance.view
DSP9328 IP Waterproof Hands-free TelephoneJuly 13, 2022view
DSP9327W IP Waterproof Sound&Light Alarm Wall-Mounted TelephoneNovember 3, 2021The phone support external loudspeaker and police lights,viewwe will contact you within 24 hours.
A Brief Introduction to the Announcement Speaker SystemJune 22, 2018An announcement speaker is a transducer that transforms electrical signals into acoustic signals. The performance of speakers has great influence on their sound quality. The speaker is the weakest dev...view
Configuration Solution of Public Address Amplifier and Speaker (II)March 29, 2019As we all know, after the auditorium acoustical design, it is necessary to determine the power of the speaker according to a series of calculations, and then the power of the amplifier is determined b...view