Non-Official Newall Adaptor Cable 307-80970 
9-Pin D Plug female to 7-Pin Circular male
 
Use this adaptor if you're using new heads with old DROs such as the DP7, Topaz or Sapphire
 
If you're using a new DRO with heads that have a round connector Click Here
 
Designed to work exclusively with Newall's digital readouts
 
Reseller accounts available 
 
Prices exclusive of VAT & Shipping