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optical gear cooling requirements



> 
> On Mar 4, 2015, at 4:54 PM, Nick Hilliard <nick at foobar.org> wrote:
> 
> On 04/03/2015 21:33, Jay Hennigan wrote:
>> We used Livingston Portmaster 3 back in the day. Front to back
>> ventilation, ran cool as a cucumber, plug it in and it just worked.
>> Awesome gear until Lucent bought the company to kill the product in
>> favor of their Ascend TNT space heaters.
> 
> Ascend kit was a horror to deal with.  I ran isdn dialin on some of their
> lower end kit at one stage.  It only worked because I put it on a power
> timer which power-cycled it twice a day.
> 
> +1 on portmasters, though.
> 

My ISP grew up on Livingston Postmaster 2e & 3s.  I even had a Postmaster 4 for a bit.   Lucent swapped that out for an APX 8000.    I still have an Ascend TNT running the remainder of my modem pool.     8 Active users on it at the moment.

Recently won a state contract for IP services.  The very first order was for a chunk of dialup accounts so the Department of Conservation and Recreation could call in from their firepowers.

It just keeps chugging away in a forgotten corner of my datacenter.

> Nick
> 
>