SRX300 usb serial console driver
Please check if the USB console driver on the below link works for you.
Please follow the below link to set this up.
For SRX 340, you can use this driver srx_usbdriver-2
For Mac OS X, download the driver, if needed, from https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers
Drivers for Juniper Networks BX Series System Console
Windows XP-7 32bit driver
Windows7-10 64bit Driver
Categorised as: Juniper