Synxcom SM9234D, User Manual

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Chapter 1
Introduction
he Synxcom SM9256D and SM9234D are industrial grade standalone data/fax modem that
deliver outstanding performance, transmitting data at the highest rates available over the
public switched telephone networks (PSTN) today. The SM9256D, supports V.92 & V34
standards, offers asynchronous line speeds of up to 56kbps. The SM9234D supports V.34 and
line speeds of up to 33.6kbps. Both modems incorporate the latest data compression and error
correction standards and are capable of providing data throughput up to 230.4 kbps. The
SM9256D and SM9234D incorporate advanced technology that enhances operation on less-than-
ideal transmission lines. Both modems also offer optional security features ideal for personal and
corporate applications. The SM9256D easily handles tasks such as remote LAN access,
telecommuting, remote file transfer, access to the Internet, and any other applications that require
fast, reliable transmission speeds.
Features
2-wire unconditioned dial-up telephone line
Build with industrial grade components to meet and operate under harsh environment
ITU-V.92 capabilities, (model SM9256D)
Compatible with ITU V.34, V.32bis, V.32, V.29, V.27ter, V.23, V.22bis, V.21, and V.17
Maximum throughput may be up to 230.4KBPS using data compression
Supports industry-standard AT command set
Supports V.42 and MNP 2-4 error correction and V.42bis and MNP5 data compression
Support RS-232 and RS-485 serial interface (user selectable)
Support DC or battery powered operation by an isolated 10 to 60 VDC power supply
Optional mounting kits for DIN rail mounting and wall/panel mounting
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