CARIN-PDH is transmission equipment, which can multiplex 4/8/16 2.048Mb/s (E1) tributaries over a single-mode optical fiber for telephone and data services.

CARIN-PDH is a high-quality, reliable, and robust digital signal transmission equipment which is suitable for inter-office and access network applications. UFM-500™ system applications are as follows:
• Connections between mobiles switch centers and base stations in cellular phone networks.
• Connections between the COT (Central Office Terminal) and RT (Remote Terminal) of DLC (Digital Loop Carrier) systems.
• Trunk connections between digital switches.
• Optical transmission for LAN/WAN applications.
• Transmission media for ATM networks

» Features

The system features are
• E1 G.703 channel interface
• Redundant fiber 1+1 (Option) protection
• Link distance up to 50 Km
• Working temperature up to 60°C for outdoor applications
• Low Bit Error Rate (BER < 10-10)
• Software configuration.
• Desk-top or mountable on standard 19”/23” rack conforming to ETS recommendation 300119
• Easy to configure and maintain
• Access maintenance functions locally and remotely.
• Performance monitoring and data storage
• Power supply: AC and/or DC
• Available synchronization to external clock (option)
• Linear add/drop and ring topology (option)
• Network management (option)