The ISD-1100-T series provides surge protection for serial data lines to prevent damage to devices such as modems, fax machines, I/O ports, terminals, instrumentation, hubs, and any other devices that use serial data connections. The ISD-1100-T can add serial data line protection to a variety of serial connections: RS-232, RS-422, and RS-485.

• Plug and play
• Surge protection for serial data lines
• EN 61000-4-5 Level 4
• Supports RS-232 or RS-422/485
• Compact size for easy installation
• Wide temperature model available for -40 to 85°C environments.