The WRT WA2S-212CS7 is a visual intercom unit designed for residential and community use. It supports both black‑white and color displays, hands‑free communication, remote door unlocking, emergency alarm, and optional image capture.
The manual provides step‑by‑step instructions for wall‑mount installation, wiring, configuration, normal operation, and simple fault troubleshooting, including recommended mounting height and wiring distance guidelines. This manual is written in Chinese.
| Maximum number of main stations | 238 |
|---|---|
| Maximum number of wall stations | 5 |
| Recommended mounting height | 145 cm |
| Maximum cable length between decoder and unit | 20 m |
The manual recommends installing the visual unit at a height of about 145 cm.
Press the alarm key on the unit or use an external manual alarm button to send an emergency alarm to the management center.
First verify that the decoder is powered correctly; if other units work, check the network cable between the decoder and the unit.