[time-nuts] Thunderbolt serial connection - null modem or straight through?

[David C. Partridge]

I can't quickly determine from the Thunderbolt manual which cable type I
need.  The connector on the Thunderbolt suggests it's DCE (female
connector), but I suspect it's actually configured as DTE (i.e. null-modem
cable needed).

Which one is it please?

Thanks
David Partridge