Crimp a RJ45 cable with the following pinout
1 <-> 1
2 <-> 7
3 <-> 6
4 <-> 5
5 <-> 4
6 <-> 3
7 <-> 2
8 <-> 8
On the MRV LX, use the following settings
– Flow Control to “None”
– Banner to “None”
– Disable “AutoHangup”
– Change Prompt to empty string
You can now access your cisco devices through your MRV LX Console server
Update: Extreme Network devices will work with the regular blue cisco serial cable. Console to switch, RJ45 to MRV