The HJ-A2030 series integrated access equipment is a comprehensive access device designed with internationally advanced integrated circuits, programmable logic circuits, and high-speed microprocessor technology. The device integrates technologies such as optical transmission, PCM multiplexing, and time slot cross-connecting, utilizing cross-connection technology to dynamically configure time slot resources, thereby enhancing the utilization of line resources.
The design features a card-slot layout, offering 16 universal business slots for flexible configuration of various function cards based on user needs. Business options are highly adaptable.
Transmission medium is E1 channel (single E1/4E1 bundled) or fiber optic channel.
Standard capacity ≤ 128 lines. Provides a high-quality, cost-effective, and reliable solution for large-scale connections.
Feature Highlights:
1. All interface technical parameters comply with international or domestic standards.
2. Voice aggregation feature; 128 phone lines aggregated to (1-4) E1 transmissions, with (1-4) E1 supporting automatic/manual switching, significantly saving line resources.
3. Single box for 128-line phone connectivity, utilizes stacking for seamless expansion up to 1024 lines.
4. Supports dual-fiber 1+1 protection.
5. 16 universal business slots, configurable to meet user needs with FXO/FXS/stone/ E&M/4-wire audio/E1/Ethernet RS232/RS422/RS485, etc.
6. 1 to 2 physically isolated Ethernet interfaces, bandwidth configured according to user requirements (dynamic/static).
7. Compatible with HJ-A2020 card, reducing the number of user spare parts.
8. When connected via E1, this device supports a star topology.
9. Features hot-plug capability, along with surge protection and three-level lightning protection.
10. Strong anti-interference capability, stable performance, and comprehensive functions.
11. Modular power design; Dual power supply of AC220V and DC-48V.
12. Comprehensive network management features, real-time detection of various device operating states (optional);
13, 19-inch 3U aluminum profile enclosure
