CRITEC DEP Series     Application Example

CRITEC® DEP Series - Data Equipment Protector Designed to protect computer equipment connected to serial protocol systems from the damaging effects of induced surges and transients. The CRITEC DEP protectors are packaged in male-to-female DB9 and DB25 cases for simple screw in installation at the serial ports of terminal equipment. Features: • Premium 1500 Watt (>100 Amps) simultaneous capability for 8/20µs   test pulse • Simple plug-in protection • Models to cover RS-232, RS-423,RS-422 and RS-485 protocol applications • Both "line" to "signal-ground" and "signal-ground" to "protective-earth" modes   protected • A flying earth lead is provided for connection to protective earth • Where existing wiring/pin configuration is unknown DEP RS232/25/25 is   available to protect all wires Applications: Protection of RS-232, RS-423,RS-422 and RS-485 circuits such as: • Serial printers and modems • Point-of-sale equipment • Communication/programming interfaces to computerized industrial   equipment (PLCs, SCADA etc) • Security communications links (RS422) Ordering Information Part No. Description DEPRS2322525D Protector, Data, Equip, RS232,DB25 DEPRS23299D Protector, Data, Equip, RS232,DB9 DEPRS42299D Protector, Data, Equip, RS422,DB9 Technical Technical Note How to Select SPDs for Data, Signaling & Control Circuits