This flexible 20cm long turnaround-cable from Adam Hall helpfully provides a 5-pin male XLR at one end and a female 3-pin XLR at the other end.
This 'turnaround' 5-pin to 3-pin DMX XLR adapter from Adam Hall comes fitted with a 5-pin M-XLR at one end and a 3-pin F-XLR at the other.