Tripp Lite Office Machine Network Surge Suppressor(Model # DB9)
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- Serial DB9 RS-232 protector (Pins 1-9)
- For any male or female 9 pin port
- Protects PC's, Printers, Modems, and Faxes
- Offers protection on all 9 data lines, plus D shell chassis
- Surge suppression utilizing high speed Avalanche Diodes divert excess energies on the Network to ground