Both cost effective and easy to deploy, the SX-520 RS-232C to 10/100 Ethernet device server extends the lifecycle and ROI of legacy equipment. Both cost effective and easy to deploy, the SX-520 RS ...

Figure 1 provides a remote menu-selection switch matrix for PCs. It connects a linear, 8-bit switch to the RS-232C port; the RS-232C signal pins provide the circuit's frugal power requirements. You ...