This is a device that uses a 1.5M service line from a telecommunications provider network to multiplex and relay voice lines (0.3 to 3.4 kHz).
The main transmission path has been converted from coaxial and metal cables to optical fiber, and the digitization of the lines is progressing. This device multiplexes and transmits 23 existing analog important lines over a 1.5M service line of the optical transmission path. ■□■Features■□■ ■Up to 23 voice lines can be configured from the exchange to subscriber repeater lines. ■Implementation types for voice circuits and others can be specified on a per-line basis. ■The digital circuits are compatible with the 1.5M service of telecommunications operators. ■This device is constructed with a dual configuration for the power supply and digital line sections.
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■□■Functional Features■□■ ■Each voice line can be accommodated, allowing for package exchange while the device is in operation. ■The power supply unit is equipped with two sets to enhance reliability. (It can operate with just one.) ■The digital section is duplicated and operates in active/standby mode. ■Extension accommodation for subscriber lines of the telephone exchange can be performed. ■When using operator lines, the line unit cost can be operated at a lower rate compared to voice lines. ■It can be adjusted to the specifications of Level Dial JR. 【4W Relay】 -8 ⇒ +4dBr, -4 ⇒ +4dBr, 0 ⇒ 0dBr, 【2W Relay】 0 ⇒ -4dBr, 0 ⇒ +8dBr, ■Delay The internal delay of this device is approximately 1ms. ■For more details, please contact us.
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Our company was founded in 1949 as a designated manufacturer of wire materials by the Ministry of Telecommunications. We have steadily established our presence by designing and manufacturing telephone and communication systems and related equipment for public enterprises such as police, railways, electricity, and broadcasting, alongside the development of related companies. We also have a significant track record in OEM products for major manufacturers. Our main products are custom-made items, which we handle from design to manufacturing, focusing on systems and products related to information and communication. Recent key products include disaster prevention information systems (JR East and JR Hokkaido), command telephone systems (various JR companies, electricity companies, and private broadcasters), remote monitoring and control systems (various JR companies, electricity companies, and telecommunications carriers), and emergency contact systems (private elementary and junior high schools). Currently, we are working on the development of the latest IT and IP systems, such as serverless IP conference call systems, to respond to the evolution of communication networks. If you present us with challenges in niche areas where major manufacturers are not proficient, we are committed to leveraging our years of accumulated experience and the latest technology to provide low-cost and quick delivery solutions. We appreciate your guidance and support.