4 Groups of E1 Interfaces 16 Slot Interfaces High-Capacity 120-Channel Telephone Optical Terminal

The Telephone Optical Terminal is an integrated device that transmits telephone, E1, and network signals over optical fiber, with a transmission distance of up to 120KM. The optical interface offers both SFP and FC options, making it easy to use and simple to install. The IDM-120N Telephone Optical Terminal is a high-capacity 120-channel Telephone Optical Terminal device designed by Raytrans specifically for customers with high telephone service demands. The IDM-120N Telephone Optical Terminal is a PCM integrated service optical fiber transmission device designed by our company using dedicated large-scale integrated circuits. Its total optical fiber transmission bandwidth is 155M, providing 2 shared 100M wire-speed Ethernet interfaces, 4 groups of E1 transparent transmission interfaces, and 120 telephone subscriber channels. The E1 transmission channel complies with the G.703 standard. The IDM-120N Telephone Optical Terminal adopts the PCM30/31 format; FXO and FXS provide polarity reversal and caller ID functions. This Telephone Optical Terminal device also features dual backup and hot-swap capabilities for the power supply unit and ring generator unit, greatly ensuring the reliability of service transmission. The IDM-120N Telephone Optical Terminal can be widely applied in telecom and Netcom public telephone network services, as well as private line information and data services for power, banking, public security, and military sectors. If you are interested in this Telephone Optical Terminal device, please contact Sales Manager Xu: 010-51668966 18710178699