AD300X is a high-capacity switch with full analog board, produced by Shenzhen Laitong Communication Technology Co., Ltd.
The AD300X is a high‑capacity programmable switch developed by Laixun, offering multiple interfaces such as E1, FXO, and FXS. It features a modular chassis with a main control board and up to six analog boards, each supporting flexible line configurations and extensive signaling capabilities.
The manual covers hardware structure, installation preparation, wiring, power requirements, basic settings, software configuration tools, and detailed troubleshooting procedures, including firmware upgrade via FTP and common fault resolution. This manual is written in Chinese.
| Dimensions | 480 × 365 × 40 mm |
|---|---|
| Backplane slots | 12 business slots, 1 control slot, 1 power slot |
| Interface count | 4 E1, 1 Console, 1 LAN, 3 Ethernet |
| Power supply | -48 V ±15 % (220 V AC input) |
| Analog line impedance | 600 Ω |
| Frequency response | 300 Hz – 3400 Hz |
The chassis provides four E1 interfaces on the backplane.