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The wires connecting the backplane board on the 526 to the mainframe interface connector on the 526 are labeled: | The wires connecting the backplane board on the 526 to the mainframe interface connector on the 526 are labeled: | ||
* H LOCK TRIG (white w/ black stripe) | * H LOCK TRIG (white w/ black stripe), pin 27B of the plug-in connector | ||
* TRIGGER (light violet) | * TRIGGER (light violet) 26A | ||
* RO TRIG (violet) | * RO TRIG (violet) 26B | ||
* Y LOCK IN (blue) | * Y LOCK IN (blue) 25B | ||
* FID SIG (green) maybe "FID" stands for "Free Induction Decay" in NMR? | * FID SIG (green) maybe "FID" stands for "Free Induction Decay" in NMR? 24B | ||
* SIGNAL (brown) | * SIGNAL (brown) 23A | ||
* RO STUS (yellow) | * RO STUS (yellow) 23B | ||
* +7 UNREG (black) | * +7 UNREG (black), pin 22A and 22B of the plug-in connector | ||
* +7 UNREG (black) | * +7 UNREG (black), pin 22A and 22B of the plug-in connector | ||
* GND (white) | * GND (white) 14A and 14B | ||
* GND (white) | * GND (white) 14A and 14B | ||
* -VERT SIG (white w/ red stripe) | * -VERT SIG (white w/ red stripe) 13B | ||
* +VERT SIG (white w/ brown stripe) | * +VERT SIG (white w/ brown stripe) 13A | ||
* -HORIZ SIG (white w/ orange stripe) | * -HORIZ SIG (white w/ orange stripe) 11B | ||
* +30 (red) | * +30 (red) | ||
* -30 (orange) | * -30 (orange) | ||
* 11A is jumpered to 14B at the male plug-in connector of the 526. | |||
The 12-pin rear-panel connector has its pins numbered on the inside of the connector. | The 12-pin rear-panel connector has its pins numbered on the inside of the connector. |