I have not seen a standard on cabinets. I have gear in a wide variety of racks. Some of are real shallow. Some are deep. I use these to generically solve the sagging issue.
https://www.amazon.com/dp/B00XXDJASY?ref=nb_sb_ss_w_as-reorder-t1_k1_1_11&=&crid=EFCM0EZP8BMA&=&sprefix=navpoint+ra NavePoint Universal 1U Rack Mount 4-Post Shelf Rail for Dell Compaq IBM HP APC - 33.5 Inches deep amazon.com Justin Wilson j...@mtin.net — https://j2sw.com (AS399332) https://blog.j2sw.com - Podcast and Blog > On Apr 27, 2023, at 9:51 AM, Chuck Church <chuckchu...@gmail.com> wrote: > > Hey all. Question about standard 4 post racks. We bought some that are > adjustable. Unfortunately, the posts are very flimsy, as these are some > fancy cabinets with spacing on the sides for vertical patch panels, etc. We > found that 2 post mounting of most Cisco devices (namely Cat 9500 1RU > switches) are sagging quite bad. We’re used to the new server type rails > that extend to support most reasonable distances front rails to back for 4 > post mounting. However, for a Cisco ASA1001, there aren’t rails, but rather > front and back ‘ears’ you use to hit both front and back posts. These would > appear to not have any adjustability, the front to back post distance would > seem to need to match the ears, I assume they don’t adjust placement on the > router much. Is there a ‘standard’ distance between front and back rails > that devices usually adhere to? Googling didn’t find an answer readily. > These are 19” wide cabinets by the way. > > Thanks, > > Chuck