Analog telephone JWBT812

IPPoEEthernet

Scope Of Application 1. Suitable for explosive gas atmospheres Zone 1 and Zone 2. 2. Suitable for IIA, IIB explosive atmosphere. 3. Suitable for dust Zone 20, Zone 21 and Zone 22. 4. Suitable for temperature class T1 ~ T6. 5. widely used in chemical pharmaceutical clean room, elevator, clean room factory workshops and other places. Product Features 1.The phone can form an independent telephone communication system with program-controlled switches and couplers. 2.The phone can be connected directly to the telecommunications network. 3.After the composition of the call system, each phone is an independent station. The malfunction of any phone doesn’t affect the whole system work. 4.After the composition of the call system, the product has an automatic gain function, and the voice does not vary with distance or telephone quantity. 5.Telephone circuits within the integrated circuit using internationally accepted double-sided, with hair the exact number, call clarity, job stability, etc. 6.Stainless steel housing, high mechanical strength, strong impact. 7.The buttons are flat and smooth without relief; stainless steel, acid and alkali resistance, chemical corrosion resistance, using various cleaning agents for surface cleaning.