The VLINX Ethernet Serial Server ESP901 is a single-processor server designed for network connectivity via wired Ethernet (RJ-45). Manufactured by B AND B ELECTRONICS, this server does not come with additional processors and is not a custom bundle. The model VLINX ESP901 offers 1 port for Ethernet serial communication, making it a reliable option for enterprise networking needs. Its compact design and easy setup make it a versatile choice for businesses looking to enhance their networking capabilities.