What advantages do Raytrans brand telephone optical terminals offer?

Optical transmission interfaces: Supports PDH and SDH interfaces

1. PDH interfaces support 155M, 250M, 2.5G, and 5G rates;

2. SDH interfaces support 155M and 622M rates;

Number of telephone service interfaces: 2-300 telephone channels available, in different models;

Optical transmission interface types: FC, SC, and SFP interfaces available, with single optical port, dual optical ports with mutual backup, and dual optical port chain networking;

Optical transmission distance: 20KM, 40KM, 80KM, 100KM, and 120KM; telephone interfaces can transmit over 3 to 5 kilometers;

Ethernet service interface support: 10M, 100M, and 1000M; supports multiple physically isolated wire-speed 100M or 1000M Ethernet ports; Ethernet interfaces support physical isolation and can also be divided into VLANs;

Power supply options: DC5V, DC-48V, and AC220V available, with dual power supply mutual backup support;

Security:

1. Optical port mutual backup, power supply mutual backup, and main control mutual backup;

2. Service interfaces have protection functions;

Strong central office aggregation and switching capability: Central office equipment supports telephone aggregation and switching, and Ethernet aggregation (EOS/EOP); telephone switching supports signaling such as No.1, No.7, PRI, and V5.2;

Strong networking capability: All SDH telephone optical terminals and GP series telephone optical terminals can form chain networks, ring networks, and star networks;

Rich service interfaces: A variety of voice and data interfaces are available, including 64K co-directional, V.24/V.28 (RS232/RS485), V.35 (N×64K), 10Base-T, polarity reversal and caller ID telephones (FXO, FXS), magneto, 2100Hz carrier magneto, hotline, carrier, EM 2/4-wire audio, high-fidelity audio, baseband trunk interface cards, No.1 signaling cards, telephone switching cards, and more than 30 other user interfaces. Additionally, IAD access, HDMI HD access, and remote HD NVR access can be selected, and can be flexibly changed according to user requirements. The large-capacity, high-integration design can meet a variety of user needs;

Network management function: All SDH telephone optical terminals and GP series telephone optical terminals support SNMP network management;

Service level: All products are easy to install, engineers have extensive installation experience, and remote network management support is also available;

Quality assurance: All products undergo high/low temperature burn-in testing, high/low voltage testing, and vibration testing before leaving the factory;

Certifications: All products have the corresponding telecommunications network access licenses;

Stable performance, high cost-effectiveness, 15 years of quality, and a good reputation in the industry and among customers.