https://www.perle.com/Perle-vs-Cisco
赞助Easy, secure remote access and out-of-band management of all your Cisco equipment. Reliably access the RS232, USB or Ethernet console management ports of any Cisco device.
High MTBF Rates · Cisco Compatible Cabling · Gigabit Ethernet Support
Types: USB 3.0 or RS232 RJ45, Copper or Fiber Ethernet, Integrated Cellular/WiFi