IDM: A Renowned Optical Communication Equipment Brand

The IDM series products are communication transmission and access equipment independently developed and produced by Raytrans Digital.

The IDM series equipment has been widely used in public or private networks such as post and telecommunications, electric power, banking, public security, military, railways, and highways. Leveraging comprehensive advantages in system design, product development, and after-sales service, it has gained a broad customer base and, in combination with actual conditions and relevant standards, provides the most feasible technical solutions and system products according to the specific requirements of different customers, earning unanimous praise from customers and becoming one of the renowned brands among many domestic enterprises. The IDM brand includes PCM multiplexing equipment, telephone optical terminals, PDH optical terminals (E+E optical terminals), fiber access equipment, and DXC. Below is a brief introduction to several IDM devices commonly used by enterprises:

IDM-30(IDM-30 Detailed Specifications)

The IDM-30 is a best-selling product from Raytrans Digital, which completes the connection between user terminal devices or between user terminal devices and the public switched telephone network via optical fiber or E1 transmission media. Utilizing the 2M digital trunk ports or analog subscriber interface resources equipped on the central office switch, the IDM device extends voice and data services to various user areas, serving to replace remote small exchanges, enable cross-boundary subscriber provisioning, and alleviate the load on switching offices; alternatively, it resolves the constraints of twisted pair in terms of bandwidth and transmission distance within urban areas, thereby expanding the service coverage of the switching office.

IDM-120(IDM-120 Detailed Specifications)

The IDM-120 telephone optical terminal adopts 4 groups of E1 transmission, supporting a full configuration of 120 telephone subscriber channels. The standard E1 transmission channel complies with the G.703 standard and adopts the PCM30/31 format. FXO and FXS provide polarity reversal and caller ID functions. This device also features dual backup and hot-swappable capabilities for the power supply unit and ring generator unit, greatly ensuring the reliability of service transmission.

IDM-300(IDM-300 Detailed Specifications)

The IDM-300ME telephone optical terminal provides 2 shared wire-speed 100M Ethernet interfaces and 6 groups of transparent E1 interfaces, while also offering FXO and FXS interfaces with caller ID functionality, supporting a full configuration of 300 subscriber channels.

The IDM-300ME provides 13 card slots, with 1+1 redundant power supplies, 10 service cards, and 1 main control card. All card slots support hot swapping.