Allen&Heath DR128 SERVICE MANUAL - Manual (Page 66)

Appendix 59
DR128 U SER G UIDE
4 7 /
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IMPORTANT
Before running the WinDR application you MUST update the
DR128/DR66's System Software to the same version using the
'DR128 System Update'/'DR66 System Update' utility. Run the 'Code
Update Procedure' Help file in the WinDR program group for
information on how to do this.
Connecting the to a remote PC.
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DR128 RS232
9way D type Signal
Pin 2 Tx
Pin 3 Rx
Pin 5 0V Ground
Pins 1, 4, 6, 7, 8, 9 = not connected
Connector chassis connected to chassis earth