Black Box SW1046A Latching DB9 A/B Switch, 9-Leads

Direct DB9 serial traffic with confidence using the Black Box SW1046A latching A/B switch. Built to support switching of all nine leads, it provides complete path selection for serial applications that depend on consistent signal integrity. In environments where older equipment still anchors operations, that level of control helps keep connections clear, intentional, and easy to manage. The latching design holds the selected route in place until you change it, which is valuable when you need predictable serial behavior across consoles, test equipment, or control systems. By switching all nine leads, the unit supports full DB9 connectivity rather than partial signal routing, making it a practical fit for infrastructure teams that cannot afford signal gaps or ad hoc workarounds. This is the kind of hardware that earns its place in a serious environment: simple, specific, and built for a narrow job done well. Whether you are isolating devices, alternating between primary and backup paths, or managing legacy serial access in a rack, the SW1046A keeps the process controlled and repeatable.