详情描述

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



Features

1. All interfaces feature surge and three-level lightning protection.

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

3. Modular design; easy scalability, convenient maintenance.

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

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.