As you can see in the schematic the 12V battery (or use other voltages) is connected with the plus at terminal T1 and minus at terminal T2. The contact 1 and 4 are connected together as 2 and 3 are ...
Menlo Microsystems’ MM5600 DPDT differential switch offers high-speed signal switching from DC to 20 GHz or up to 40 Gbps. According to the manufacturer, the device outperforms conventional ...