The HJ-GAN202 series products are independently researched and manufactured optical transmission equipment by our company. They feature a 2.5G/3.125G system, powerful functions, and stable performance. They achieve mixed multiplexing and transmission of 100M/1000M Ethernet data channels, E1 (G.703), voice (phone+magnetic+4-line audio, etc.), video and audio, and asynchronous data RS232/422/485.

Features alarm and monitoring functions, well-designed, high integration, low power consumption, and easy to use.

Widely applied in public networks of telecom operators, mobile communications, and specialized networks for post and telecommunication, electricity, banking, public security, railway, and large-scale corporate entities, etc.

Feature Highlights:

1. Complete Machine Business Interface: ≥2 optical ports for 1+1 protection, 2 1000M network ports, 1-8 100M network ports, 4-8 E1 interfaces, ≥32 voice channels, physical isolation for each Ethernet port.

2. Interface technical parameters all comply with international or domestic relevant standards.

3. All ports are equipped with surge and three-level lightning protection, and all card modules support hot swapping.

4. Modular system design; configure various functional business modules at will according to requirements.

5. Supports Ethernet (10M/100M/1000M), E1 (G.703), FXO/FXS/Analogue/POTS/4-wire Audio/E&M, RS232, RS422, RS485, audio and video interfaces.

6. 1000M Ethernet channel, supports non-blocking, line-speed forwarding, and is compatible with IEEE 802.3ab.

7. Ethernet Transmission Rate: 10/100/1000 Mbps

8. 100M Ethernet port with complete physical isolation

9. Gigabit fiber optic transmission, high capacity, easy to upgrade.

10. High circuit integration. The equipment operates stably with low failure rate and power consumption.

11. Comprehensive network management features, real-time detection of various statuses during equipment operation (optional);

12. Achieves 1+1 protection for optical port.