Hi epaniagua, sure two links here:
https://kb.juniper.net/InfoCenter/index?page=content&id=KB31818&actp=RSS
SUMMARY:
SYMPTOMS:
and
Release 12.1X46-D55 Software Features
Interfaces
- G.993.5 Vectoring support for VDSL modules on SRX Series devices— Starting with Junos OS Release 12.1X46-D55, firmware version, v2.16.0, is available for SRX-MP-1VDSL-A to support VDSL vectoring. Vectoring on VDSL reduces crosstalk and increases network bandwidth.
[For more information, see Upgrading the VDSL PIC Firmware in the Junos OS Release 15.1X49-D50 Feature Guide. ]
Also, there is another thread where Juniper have been uploading files on a request by request basis to the juniper ftp download site however it's not really scaleable since only one person seems to be responding there:
https://forums.juniper.net/t5/forums/v3_1/forumtopicpage/board-id/srx/thread-id/48612/page/2
Many thanks