详情描述

The HJ-AF120 series PDH optical terminal is a multi-service transmission equipment independently researched, developed, and produced by our company. This PDH optical terminal is designed with international advanced integrated circuits, programmable logic circuits, and high-speed microprocessors. It supports 4 E1 (G.703) interfaces and is expandable for telephone/Ethernet/asynchronous data/synchronous data, etc. Widely used in public networks of telecommunication and mobile operators, as well as in specialized networks of post and telecommunications, electricity, banking, public security, military, railway, and large corporate entities.



Features

1. All interfaces are equipped with surge protection and three-level lightning protection.

2. All interface technical parameters comply with relevant international or domestic standards.

3. Modular design; easy to expand and maintain.

4. Impedance: 75Ω (unbalanced) or 120Ω (balanced); default is 75Ω unbalanced.

5. Strong anti-interference capability, stable performance, and comprehensive functions.

6. Fiber Optic Interface: FC/SC; Single-mode/Multimode; 0-100Km; (Customized according to customer requirements)

7. Comprehensive network management features, real-time detection of various device operating states (optional);

8, 19-inch 1U aluminum profile enclosure.