I have an ACU RITE D200 DRO with senc 150 scales and I need to find a cheap Chinese replacement for a longer scale.
I have looked high and low for directions for repinning Chinese scales to work, has anyone had experience in this area?

The problem I am having is the senc 150 acu rite scale pinouts have + and - channels and use all 9 of the db9 pins, the Chinese replacements only use 5 pins and have + channels.
any help would be greatly appreciated.

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