The Cisco 4-Port Serial Shared Port Adapter (part number SPA-4XT-SERIAL=) is designed to provide high-performance serial connections in a compact form. This expansion module is particularly effective for businesses requiring reliable, additional ports in their existing Cisco infrastructure. It supports a total of four serial ports, allowing more devices or networks to be connected via serial communication protocols.
The adapter offers robust compatibility with a wide range of Cisco equipment, which enhances its flexibility for various networking environments. Each one of the four serial ports can handle data transfer uniformly, ensuring equally consistent performance across all connections. It operates over RJ-45 connectors, providing an industry-standard physical interface that simplifies cabling and equipment compatibility.
As part of Cisco’s modular expansion approach, this adapter is easy to integrate into existing networking setups that use Cisco hardware. It’s particularly useful for WAN deployments or other serial connectivity requirements, supporting a variety of serial protocols including RS-232, RS-485, and others depending on configuration.
The shared port adapter (SPA) format keeps the module compact, making it highly efficient in terms of space usage. It operates efficiently, requiring minimal power and cooling compared to bulkier components. This makes the Cisco 4-Port Serial Shared Port Adapter an ideal option for organisations looking to expand network capacity without significant hardware changes.
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