Cable Spec 21

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  • This is the wiring schematic for Cable Spec 21 used in MQ85 benders.
  • This is a 15 foot cable.
  • Use yellow sheath if possible.
  • Use twisted pair Ethernet. Never use solid core cable.

Cablespec21 cableimage.png

Ampmod 20pin cable21.png

Cablespec21 ampmod cableside.png

Cablespec21 pinout.png


Notes

  • The wire colors can vary from the diagram shown above. It is only important that the wires are connected to the correct points.

  • The A row in the Amp Mod U block (the black rectangular connector) is always on the KEY side of the connector.

  • Pin 1 is indicated with an arrow embedded in the plastic of the Amp Mod U block.

  • A wire from A1 to pin 6 is not required for this bender. Some cables will not include that wire.

  • The wire going into B3 is the wire that indicates if the bender is ON or OFF. Pin B3 outputs between 5 and 10 volts DC when the bender is ON. If the bender control is switched on, then the DSR signal at the Benderlink computer's COM port will show ACTIVE. This can be tested with an RS-232 test program, like WCom32.exe (You can download the program from our web site.)

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