Electro Standards Laboratories Ruggedized DB25 A/B Switch Model 4504

Model 4504 AB manual network switch switches pins 2 to 25 of connector interface, simultaneously. Chassis Ground on pin 1 bussed thru. Ruggedized to withstand vibrations encountered in mobile/motion applications Switch configuration has passed rigorous seismic testing Ideal for mobile/motion applications Copper data network switch Rugged all-aluminum enclosure provides EMI/RFI resistance in noisy environments Optional "mounting ears" allow firm attachment Manual network switch, no power required Lifetime guarantee! Electro Standards manufactures a wide range of RS232 data network switches.