The Synxcom SM9256D and SM9234D industrial grade modems are designed and manufactured for rugged communications over dial-up or public switched telephone networks (PSTN). The SM9256D and SM9234D utilize industry’s latest V.92 and V.34 modem technologies to deliver outstanding features, performance, and reliability in one cost-effective solution. The modems support RS-232 or RS-485 serial interfaces. The SM9256DX modem’s build-in optional micro-controller provides users with Synxcom’s proprietary security features to protest against unwanted access by unauthorized callers. DTEs with full RS-232, RS485, or just the 3-wire (TD, RD, GND) interface. The modem is ideal for industrial communication applications including SCADA systems, RTUs, traffic monitoring and control, and industrial automation networks.
Key Features
- Asynchronous operation from 300 to 115,200 bps.
- ITU-T V.92/V.34/V.32bis/V.32/V.22bis/V.22/V.23/V.21 compatible
- V.17/V.29 fax class 1/1.0 support
- V.44/V.42bis/MNP5 data compression
- V.42/MNP2-4 error correction
- Operate over public switched telephone networks (PSTN) or POTS
- Supports RS-232, RS-485 and RS-422 interface
- Embedded and upgradable 63 country profiles with internal NVRAM
- Build-in micro-controller to support 3-wire RS-232 interface over switched carrier or constant carrier
- Isolated AC or DC-DC power supply for standard AC, battery, or solar powered systems
- Build-in 6 LEDs and for local or remote diagnostics
- Operate over wide range temperature of -40°C to +85°C
- Small enclosure design for desk-top, DIN rail mounting or wall mount applications
