HJ-A2020C

The HJ-A2020E series integrated access device is a multiplexing device designed for traditional TDM services and broadband IP data service access, with transmission media being E1 channels or optical fiber channels. It provides 64x64K user services. The types of user services include voice, Ethernet, E1 (G.703), asynchronous data, etc. The product offers a wide variety of services and is economical and simple; it provides quick and flexible solutions for relatively dispersed users, small enterprises, or users requiring temporary expansion of dedicated lines. The product has a high cost-performance ratio.

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Commodity name: HJ-A2020C

The HJ-A2020E series integrated access device is a multiplexing device designed for traditional TDM services and broadband IP data service access, with transmission media being E1 channels or optical fiber channels. It provides 64x64K user services. The types of user services include: voice, Ethernet, E1 (G.703), asynchronous data, etc.

The product offers a wide variety of services and is economical and simple; it provides fast and flexible solutions for relatively dispersed users, small enterprises, or users requiring temporary expansion of dedicated lines.

The product has a high cost-performance ratio.

Uses SFP optical interface, making product configuration more flexible and convenient, supports optical port + E1 port protection;
Suitable for ≤128 user services;
Modular system design; various functional service modules can be configured according to user needs;
Configurable FXO/FXS/magnet/four-wire audio/E&M/RS232/RS422/RS485 according to user requirements;
High cost performance, beautiful appearance, easy installation and operation;
Telecom-grade voice quality, supports caller ID; reverse polarity billing signal (optional);
Provides complete alarm and working status indicator lights;
Strong anti-interference ability, stable performance, complete functions;
Power supply AC220V or DC-48V (optional);
Has complete network management functions, real-time monitoring of various device operating statuses (optional);
19-inch 2U aluminum profile chassis;
Dimensions 484 (L) * 231 (W) * 88 (H) mm;

Interface Type	Description
Telephone Interface	1~128, RJ45
Ethernet Interface	2 (Bandwidth 10M/100M), RJ45
E1 Interface	1~4, BNC Interface (for fiber optic transmission)
Optional Interface	Network Management / Switch Quantity / Intercom / Synchronous Data / Magnet / EM / Hotline, etc.