The Moxa OnCell G2111/G2151I Series User Manual provides installation, configuration, and operation instructions for the industrial GSM/GPRS modems.
The OnCell G2111/G2151I Series are industrial GSM/GPRS modems that enable remote RS‑232 or RS‑422/485 devices to connect to mobile networks. The manual covers product overview, specifications, hardware installation, wiring, antenna setup, and LED status indicators.
Key sections include Getting Started with mounting and power connections, the AT command set for modem control, GSM/CSD and GPRS connection procedures, SMS handling, and regulatory information such as FCC compliance. The document also provides pin assignments and optional accessories.
| Cellular Interface Standards | GSM/GPRS |
|---|---|
| Band Options | Quad‑band 850/900/1800/1900 MHz |
| GPRS Class | Class 10 |
| Tx Power | 1 watt |
| Number of Serial Ports | 1 |
| ESD Protection | 15 kV |
| Optical Isolation | 2.5 kV RMS (G2151I only) |
| Dimensions | 27 × 123 × 79 mm |
| Weight | 150 ± 5 g |
| Input Voltage | 12 to 48 VDC |
| Power Consumption | 900 mA max |
| Mounting Options | DIN‑rail or wall |
It accepts an input voltage of 12 to 48 VDC.
The modem provides one serial port.
The device can be mounted on a DIN‑rail or on a wall.
It provides 2.5 kV RMS isolation for up to one minute on all serial signals.