HJ-A2030

The HJ-A2030 series integrated access device adopts internationally advanced integrated circuits, programmable logic circuits, and high-speed microprocessor design. The device integrates optical transmission, PCM multiplexing, and time-slot cross-connection technologies, using cross-connection technology to achieve dynamic allocation of time-slot resources, thereby improving the utilization of line resources. It features a plug-in card design with 16 general-purpose service slots, allowing arbitrary configuration of various functional service cards according to user needs. The service options are very flexible. The transmission medium is E1 channels (single E1/4E1 bundling) or optical fiber channels. The standard capacity is ≤128 lines. It provides a high-quality, economical, and reliable solution for large-capacity access.

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Commodity name: HJ-A2030

The HJ-A2030 series integrated access device adopts internationally advanced integrated circuits, programmable logic circuits, and high-speed microprocessor design. The device integrates optical transmission, PCM multiplexing, and time slot cross-connection technologies, using cross-connection technology to achieve dynamic allocation of time slot resources, thereby improving the utilization of line resources.

It adopts a plug-in card design, providing 16 general-purpose service slots, allowing arbitrary configuration of various functional service cards according to user needs. The service selection is very flexible.

The transmission medium is E1 channels (single E1/4 E1 bundling) or optical fiber channels.

The standard capacity is ≤128 lines. It provides a high-quality, economical, and reliable solution for large-capacity access.

All interface technical parameters comply with relevant international or domestic standards;
Voice aggregation function; 128 telephone lines aggregated to (1-4) E1 transmissions, (1-4) E1 supports automatic/manual switching, greatly saving line resources;
Optical access, single frame supports 128 telephone lines, using stacking method, can smoothly expand to 1024;
Supports dual optical path 1+1 protection;
16 general-purpose service slots, configurable with FXO/FXS/Magnet/E&M/4-wire audio/E1/Ethernet RS232/RS422/RS485 according to user needs;
1 to 2 physically isolated Ethernet interfaces, bandwidth configured according to user needs (dynamic/static);
Compatible with HJ-A2020 board, reducing the number of spare parts for users;
When accessing E1, this device supports star connection;
Supports hot-swapping function, with surge and three-level lightning protection;
Strong anti-interference ability, stable performance, and complete functions;
Modular power design; dual power supply modes of AC220V and DC-48V;
Comprehensive network management functions, real-time monitoring of various device operating statuses (optional);
19-inch 3U aluminum profile chassis;

Interface Type	Description
Telephone Interface	1~128, DB25
Ethernet Interface	1~2 (Bandwidth 100M), RJ45
E1 Interface	1~128, BNC (DB25 to BNC)
Optional Interface	Network Management / Switch Quantity / Intercom / Synchronous Data / Magnet / EM / Hotline, etc.