The HJ-A2020 series integrated access devices employ cutting-edge international integrated circuits, programmable logic circuits, and high-speed microprocessor designs. This comprehensive access device integrates technologies such as optical transmission, PCM multiplexing, and time-slot crossing. By utilizing cross-connection technology, it dynamically configures time-slot resources, thereby enhancing the utilization of line resources.

Card slot design, featuring 6 universal business slots, allowing for flexible configuration of various function cards based on user requirements. Business options are highly adaptable.

Transmission medium is E1 channel (single E1/4E1 bundled) or fiber optic channel.

Standard capacity is ≤ 48 lines. Provides a high-quality, cost-effective, and reliable solution for medium and small capacity connections.

Features:

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

2. Resources; Voice aggregation feature; Aggregate 48 phone lines into 1 E1 transmission, significantly saving on lines

3. Single-box design for 48-line phone connectivity, utilizing stacking method.

4. Supports dual optical path 1+1 protection.

5. /E&M/ 6 universal business slots, configurable to FXO/FXS/stone 4-line audio/E1/Ethernet/RS232/RS422/RS485, etc., based on user requirements.

6. Configuration; 1-2 physically isolated Ethernet interfaces, bandwidth based on user requirements (dynamic/static)

7. Compatible with HJ-A2030 card, reducing the number of user spare parts.

8. Features hot-plugging capability, along with surge protection and triple lightning protection.

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

10. Modular power design; dual power supply of AC220V and DC-48V.

11. Comprehensive network management functions, real-time detection of various statuses during equipment operation.

12, 19-inch 2U aluminum profile server case.