Installation, operation, and troubleshooting guide for GE MDS SD Series Secure long‑range IP/Ethernet & Serial transceivers.
This technical manual covers the GE MDS SD Series Secure transceiver family, including models SD1, SD2, SD4 and SD9. It provides detailed information on product features, typical applications, installation planning, step‑by‑step setup, and the web‑based Device Manager used for configuration and monitoring.
The document also contains safety guidelines, RF exposure limits, hazardous‑location requirements, and a comprehensive troubleshooting section with LED indicators, alarm codes, and diagnostic procedures. Firmware upgrades, both over‑the‑air and via PC, are described, along with specifications for frequency ranges, power output, and receiver sensitivity.
| Frequency Range | SD1: 150‑174 MHz; SD2: 216‑235 MHz; SD4: 300‑512 MHz; SD9: 820‑960 MHz |
|---|---|
| Occupied Bandwidths | SD1: 6.25, 12.5, 25.0 kHz; SD2: 5‑50 kHz; SD4: 6.25‑25 kHz; SD9: 5‑50 kHz |
| Receiver Sensitivity | –112 dBm at 1×10⁻⁶ BER (9600 BPS) |
| Transmitter Power | 0.1 W to 5 W |
| Power Measurement Accuracy | ±1.5 dB |
| Duty Cycle | Continuous |
| Output Impedance | 50 Ω |
| FCC ID | SD1: E5MDS‑SD1 (example) |
| IC ID | SD1: 101D‑SD1 (example) |
Section 8.2 describes the Over‑the‑Air (OTA) firmware upgrade process, including broadcast reprogramming suggestions and error‑recovery steps.
The Device Manager, a web‑based application accessed via a browser, is used for configuration, monitoring, and diagnostics.
The transceiver can transmit from 0.1 W up to 5 W depending on the model and configuration.