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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
Black Box SW1046A Latching DB9 A/B Switch
Overview
The Black Box SW1046A provides a robust, manual method for switching all nine leads of a DB9 serial connection between two distinct devices or interfaces. This latching switch is designed for scenarios where you need to isolate or test serial communication paths without complex network configurations. Its primary function is to prevent accidental disconnections and ensure a stable connection to the selected device, making it ideal for diagnostic work, system testing, or managing multiple serial peripherals in a lab or control room environment. The SW1046A model handles all nine pins, ensuring full signal integrity for RS-232, RS-422, or RS-485 communication lines.
Compatibility
This switch is compatible with any standard DB9 serial port connection. It functions as a passive device, meaning it does not require external power and is compatible with any system utilizing DB9 serial interfaces, including industrial control systems, legacy networking equipment, diagnostic tools, and certain types of security or automation hardware that rely on serial communication. It is designed to work with devices that use all nine leads of the RS-232 standard.
Installation Notes
Installation involves simply connecting the two serial devices or interfaces to the switch's designated ports and the common port to the active system. The latching mechanism requires a deliberate push to change the active connection, preventing accidental switching. Ensure connections are secure to maintain signal quality. No external power is required for operation.
What's in the Box
- 1x Black Box SW1046A Latching DB9 A/B Switch
Black Box THE Latching DB9 A/b Switch Supports - SW1046A
Build Your Complete System
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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System Design, Deployment & Technical Support
Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.
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Guides, Tools & Calculators
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