On 15/10/2014 16:22, Tom Hill wrote: > This could be a longer cable, a dirtier cable, a cable that you've shut > in the rack door three or four times, or perhaps doing it properly with > a proper attenuator in-line (I'm sure ATOS can afford one). SOP for some operators is to wrap around a pencil. Can't remember how much loss per turn this introduces, though. Nick