Dell - Internal Use - Confidential Was forced to get an Ascend Superpipe to work with a PM4 for one of our customers ages ago. Two ISDN lines... as soon as the 4th channel was thrown into multilink, it would drop the 3rd channel. >:O Finally got it working after a lot of trial and error with stupid settings on the Ascend garbage. It was clearly a bug but I forge the specific setting that caused that to happen. -Vinny -----Original Message----- From: NANOG [mailto:nanog-bounces@nanog.org] On Behalf Of Nick Hilliard Sent: Wednesday, March 4, 2015 4:54 PM To: nanog@nanog.org Subject: Re: optical gear cooling requirements 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. Nick