View source for TTL to Serial to RJ45



5v TTL - 4.75v --> 5.25v


RJ45 Serial (Juniper, Cisco) 


https://pinoutguide.com/Net/Cisco-Juiper-Zyxel_RJ45_pinout.shtml

{| class="wikitable" style="margin:auto"
|-
! RJ45 Pin Number !! RJ45 PIN !! DB9 PIN !! TIA/EIA 568A !! TIA/EIA 568B
|-
| 3 || TXD || RXD || Green/White || Orange/White
|-
| 5 || GND || GND || Blue/White || Blue/White
|-
| 6 || RXD || TXD || Green || Orange
|}
When using Aliexpress TTL to Serial Adapter - 568B Wiring to db9 Pin Names