HJ-AF480

The HJ-AF480 series PDH optical terminal equipment is a multi-service transmission device independently developed and produced by our company. The device uses internationally advanced integrated circuits, programmable logic circuits, and high-speed microprocessor design as a PDH optical terminal. It supports 16 E1 (G.703) interfaces and is expandable for telephone/Ethernet/asynchronous data/synchronous data, etc. It is widely used in public networks of telecom operators such as telecommunications and mobile, as well as in private networks of postal services, power, banking, public security, military, railways, and large enterprises and institutions.

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Commodity name: HJ-AF480

The HJ-AF480 series PDH optical terminal is a multi-service transmission device independently developed and produced by our company. The device uses internationally advanced integrated circuits, programmable logic circuits, and high-speed microprocessor design. It supports 16 E1 (G.703) interfaces and is expandable to telephone/Ethernet/asynchronous data/synchronous data, etc. It is widely used in public networks of telecom and mobile operators, as well as private networks in postal services, power, banking, public security, military, railways, and large enterprises and institutions.

Each interface is equipped with surge and three-level lightning protection;
The technical parameters of each interface comply with relevant international or domestic standards;
Modular design; easy to expand and maintain;
Interface impedance 75Ω (unbalanced) or 120Ω (balanced); (default is unbalanced 75Ω);
Strong anti-interference ability, stable performance, and complete functions;
Optical fiber interface: FC/SC; single-mode/multi-mode; 0-100Km; (customized according to customer requirements);
Comprehensive network management functions, real-time monitoring of various device operating statuses (optional);
19-inch 1U aluminum profile chassis.

Interface Type	Description
E1 Interface	16
Ethernet Interface	1～2 (Bandwidth 100M/10M), RJ45
Optional Interface	Network Management / Switch Quantity / Intercom / Synchronous Data / Magnet / EM / Hotline, etc.