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USER M A N UA L MODEL 501LC Low Capacitance RS-232 Surge Protector Part# 07M501LC-A SALES OFFICE Doc# 074061UA (301) 975-1000 Revised 10/15/93 TECHNICAL SUPPORT (301) 975-1007...
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"hits" as do metal oxide varistors. Connecting directly to your equipment's RS-232 serial port, the Model 501LC protects pins 2-8, 11, 20, 22, 24 & 25 and guards against surges up to 1250 amps (8/20µs waveform) per line. If the Model 501LC receives a surge above its rating, all voltages will be sent directly to ground and your hardware will be protected.
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Connectors: (2) DB-25s = 1 Male, 1 female Attach one end of the grounding strap to one of the connectors on the Model 501LC (see diagra, and the other end to Max Continuous Operating Voltage: +/- 15 Volts frame ground.