👉 The term "upcard" is a technical term in digital communications and telecommunications, specifically used in network management or troubleshooting. It refers to a small device that can be inserted into a router or switch to monitor the status of the network connection. In simpler terms, an upcard is a small computer or other electronic device that can be connected to a network, allowing for monitoring and maintenance of the network's health and performance. It typically includes software that reads and displays information about the network's connectivity,