The 3JTech CAMit I+ GSM User Manual provides installation, configuration, operation, and troubleshooting instructions for the 56k/v.90 modem with GSM…
The CAMit I+ GSM is a 56k/v.90 modem with GSM capabilities, designed by 3JTech for image capture and remote triggering. It supports RS232, RJ11 phone line, and RJ22 power/trigger connections.
The manual covers installation, configuration, application software, frequently asked questions, and detailed specifications such as power consumption, interfaces, trigger signals, video resolutions, and environmental limits. This manual is written in Chinese.
| Power consumption | 5 V DC, 300 mA |
|---|---|
| Interfaces | DB9C (auto‑detect baud rate), RJ11 phone line, RJ22 (5 V DC/90‑240 V AC adaptor, trigger I/O) |
| Trigger input | Normally closed to open or Low‑to‑High TTL level |
| Trigger output | Low‑to‑High TTL level |
| High‑resolution frame rate | Maximum 1.6 fps at 640×480 |
| Medium‑resolution frame rate | Maximum 3 fps at 320×240 |
| Low‑resolution frame rate | Maximum 5 fps at 160×120 |
| Camera sensor | 101,376 pixels, 1/4" lens, CIF format |
| Optional lens sensor | 300K pixels, 1/3 lens, 120° angle |
| Operating temperature | 0 °C ~ 55 °C |
| Weight | 150 g |
| Dimensions | 10 cm × 6.5 cm × 5 cm |
It consumes 5 V DC at 300 mA.
It provides a DB9C auto‑detect baud‑rate port, an RJ11 phone‑line connector, and an RJ22 connector for power and trigger I/O.