The Guanlin GL-SX450B medium audio‑video matrix system manual provides specifications, installation steps, and operation instructions for the modular AV…
The GL‑SX450B is a modular audio‑video matrix designed for security systems in shopping centers, offices, banks and similar environments. It offers a flexible configuration with up to 64 audio‑video inputs and 16 outputs per unit, expandable to 256 inputs and 64 outputs, and supports multiple alarm I/O channels and RS‑485 communication compatible with Pelco‑D, Pelco‑P, Philips and Bosch protocols.
This manual details the technical specifications, main features, component layout, and provides step‑by‑step installation and operation guidance. It also includes information on system expansion, wiring diagrams, and the use of the optional GUANLIN control keyboard (GL‑CU450). This manual is written in Chinese.
| Maximum single‑unit audio‑video inputs | 64 inputs / 16 outputs |
|---|---|
| Maximum expandable audio‑video capacity | 256 inputs / 64 outputs |
| Alarm I/O capacity (single unit) | 64 alarm inputs / 8 alarm outputs |
| Communication interface | RS485, baud rate 1200–19200 bit/s |
| Power supply | AC 220V ±10%, 50Hz ±10%, <50W |
| Dimensions (H×W×D) | 444 mm × 95 mm × 270 mm |
A single unit supports up to 64 audio‑video inputs and 16 outputs.
Modules can be stacked to increase capacity to 256 audio‑video inputs and 64 outputs, and to 256 alarm inputs and 128 alarm outputs.
It uses an RS485 port with selectable baud rates from 1200 to 19200 bit/s and is compatible with Pelco‑D, Pelco‑P, Philips and Bosch protocols.
The unit operates on AC 220 V ±10% at 50 Hz ±10% and consumes less than 50 W.