![](http://pdfasset.owneriq.net/3/bf/3bf827a8-e16e-431f-90d8-b75558d7e54e/3bf827a8-e16e-431f-90d8-b75558d7e54e-bg4d.png)
Chapter 5---Electronics
5-22 Model 250 Service Manual
IIC_CLK - IIC clock line
IIC_DATA - IIC data line
IIC_SINT - IIC interrupt
±15 V - input power from the Low Voltage Power Supply, for the analog
circuitry.
+5.1 V - input power from the Low Voltage Power Supply, for the digital
circuitry.
Figure 5-13
Horizontal/Vertical I/O Diagram.