Phillips PM2120 Overview
The Philips PM2120 Universal Switch offers 20 switches grouped in 10 pairs, each with a common contact. Depending on the switching mode setting, the switches can be used as 20 individual on/off switches with one common contact per pair or 10 single pole double throw as break-before-make or make-before-break switches. The PM2120 is a component of a System 21 Modular GPIB Switching System.