nanog mailing list archives
RE: Standard DC rack rail distance, front to back question
From: "Chuck Church" <chuckchurch () gmail com>
Date: Thu, 27 Apr 2023 11:36:02 -0400
Hey all, sorry I did mean to say ASR1001 (an X model to be exact). The 4 post mounting they show in a hardware mounting doc uses front and back ears, which I’ve never done: https://www.cisco.com/c/en/us/td/docs/routers/asr1000/install/guide/asr1routers/asr-1000-series-hig/asr-hig-1001.html#task_1205646 see figure 16 slightly down from there. I do see some generic rails from TrippLite that probably would work, as well as shelves. I was hoping a standard depth that most vendors honored for 4 post existed, but it doesn’t seem likely. We’ll have a variety of PaloAlto, Cisco, Checkpoint, and others co-habiting. Chuck From: NANOG <nanog-bounces+chuckchurch=gmail.com () nanog org> On Behalf Of Mark Stevens Sent: Thursday, April 27, 2023 11:17 AM To: nanog () nanog org Subject: Re: Standard DC rack rail distance, front to back question Lucky you with a 19" data rack. All I have are 23" telco racks but I will say, the 23" extension ears from Cisco are serious and my router chassis' don't sag. Mark On 4/27/2023 10:04 AM, Chris Marget wrote: On Thu, Apr 27, 2023 at 9:53 AM Chuck Church <chuckchurch () gmail com <mailto:chuckchurch () gmail com> > wrote: for a Cisco ASA1001, there aren’t rails, but rather front and back ‘ears’ you use to hit both front and back posts. Front *and* back ears? I'm not sure what an ASA 1001 is (ASR?) but my experience with these boxes is that they have a single pair of ears which can be mounted front OR back. The heavier / deeper 1RU devices do tend to sag alarmingly. Is there a ‘standard’ distance between front and back rails that devices usually adhere to? If you're thinking of setting the front/back distance to accommodate a specific device, table 2 might be of some interest: https://i.dell.com/sites/doccontent/business/solutions/engineering-docs/en/Documents/rail-rack-matrix.pdf
Current thread:
- Standard DC rack rail distance, front to back question Chuck Church (Apr 27)
- Re: Standard DC rack rail distance, front to back question Justin Wilson (Lists) (Apr 27)
- Re: Standard DC rack rail distance, front to back question Mel Beckman (Apr 27)
- Re: Standard DC rack rail distance, front to back question Warren Kumari (Apr 27)
- Re: Standard DC rack rail distance, front to back question Randy Bush (Apr 27)
- Re: Standard DC rack rail distance, front to back question Warren Kumari (Apr 27)
- Re: Standard DC rack rail distance, front to back question Randy Bush (Apr 27)
- Re: Standard DC rack rail distance, front to back question Warren Kumari (Apr 27)
- Re: Standard DC rack rail distance, front to back question Mark Stevens (Apr 27)
- RE: Standard DC rack rail distance, front to back question Chuck Church (Apr 27)
- RE: Standard DC rack rail distance, front to back question Adam Thompson (Apr 27)
- RE: Standard DC rack rail distance, front to back question Warren Kumari (Apr 27)
- Re: Standard DC rack rail distance, front to back question Thomas Bellman (Apr 27)