[c-nsp] Hot Swaping 7206 Power Supplies

Richey richey at americainter.net
Tue Jun 5 12:32:00 EDT 2007


It's been running about a year on AC power.  It's always had 1 DC and 1 AC
in the router, it's never had both connected at the same time.  When it was
moved we were going to setup our own DC power plant but it never got done.
The UPS that feeds the router is on borrowed time so I need to get it moved
off.  Besides it needs a second power supply connected to a second UPS and
now is as good a time as any.  I really didn't want to drive into work at
midnight for

The rack that was next to us at the old place had some 7200s both VXR and
Non VXRs with both AC and DC connected.  I couldn't tell anymore than the
green leds were lit up on them.

Richey

-----Original Message-----
From: Jon Lewis [mailto:jlewis at lewis.org] 
Sent: Tuesday, June 05, 2007 7:59 AM
To: Richey
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Hot Swaping 7206 Power Supplies

On Tue, 5 Jun 2007, Richey wrote:

> I've always been told that the card slots in the non VXR 7206s were not
hot
> swappable.  I've got a non VXR 7206 with 1 AC and 1 DC power supply.  The
DC
> needs to come out and an AC stuck back in it's place because it's new home
> does not have DC power available.  Can you hot swap the power supply in
the
> non VXR 7200s?

If the new home doesn't have DC, one would assume the router isn't powered 
up there, so hot swapping the power supply is not an issue.  According to 
cisco docs, you can't mix AC and DC supplies in a 7200.  I've never tried 
it to see what happens.

BTW, the cards are hot swappable.  Do a search for 7200 OIR (or as many 
have come to call it, Online Insert and Reboot).

----------------------------------------------------------------------
  Jon Lewis                   |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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