![We had no null modem cable for a serial connection on a sg300 Cisco switch so we did this 👇 : r/techsupportmacgyver We had no null modem cable for a serial connection on a sg300 Cisco switch so we did this 👇 : r/techsupportmacgyver](https://preview.redd.it/ni2cqkcemqe41.jpg?auto=webp&s=5d67f6b9eaeec5656e770d75022097fda61fa0f5)
We had no null modem cable for a serial connection on a sg300 Cisco switch so we did this 👇 : r/techsupportmacgyver
![QiCheng&LYS Cisco Console Cable Rj45 to DB9, Female Serial RS232 Port to RJ45 Male Cat5 Ethernet LAN Rollover Console Cable Switch Cable Cisco 1.8m (DB9-RJ45): Amazon.co.uk: Computers & Accessories QiCheng&LYS Cisco Console Cable Rj45 to DB9, Female Serial RS232 Port to RJ45 Male Cat5 Ethernet LAN Rollover Console Cable Switch Cable Cisco 1.8m (DB9-RJ45): Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/61jolt6dKcL.jpg)
QiCheng&LYS Cisco Console Cable Rj45 to DB9, Female Serial RS232 Port to RJ45 Male Cat5 Ethernet LAN Rollover Console Cable Switch Cable Cisco 1.8m (DB9-RJ45): Amazon.co.uk: Computers & Accessories
![Cisco Cable De La Consola Cable Serie Rj45 a DB9 y RS232 a USB (2 en 1) Para El Dispositivo De Cisco 1.8M + 1M : Amazon.es: Informática Cisco Cable De La Consola Cable Serie Rj45 a DB9 y RS232 a USB (2 en 1) Para El Dispositivo De Cisco 1.8M + 1M : Amazon.es: Informática](https://m.media-amazon.com/images/I/61PSzg3KbzL._AC_UF894,1000_QL80_.jpg)