-26-
Control Port Functions
1R Reset Input I
2 SCL IIC BUS SCL I
3SDA IIC BUS SDA I/O
4 A05 FAN_CONT1 FN901,FN902 = Intake Fans O
5 A06 FAN_CONT2 FN905 = Exhaust Fan O
6 A07 FAN-7_SW for Cooling Lamp Bottom FN907 ON = H O
7 A08 Not used O
8 VrefL DAC Lower Reference Voltage input -
9 VrefU 1 DAC Upper Reference Voltage input (CH5~CH8) -
10 Vss GND -
11 VrefU 2 DAC Upper Reference Voltage input (CH1~CH 4) -
12 A01 FAN_CONT4 FN903 = Cooling Fan for PBS O
13 A02 FAN_CONT5 FN907 = Cooling Fan for Lamp Bottom O
14 A03 FAN_CONT6 FN906 = Cooling Fan for Lamp Front O
15 A04 FAN_CONT7 FN904 = Cooling Fan for Power Board O
16 Vcc Power Supply for Output Buffer (12V) -
17 Vdd Power Supply +5V -
18 CS2 Slave address setting port 2 (Vdd) I
19 CS1 Slave address setting port 1 (Vdd) I
20 CS0 Slave address setting port 0 (Vdd) I
Pin No. Name Function I/O
● IIC Bus D/A Converter (IC7801, M62399FP) Port Functions
* Following information differs from the previous chassis No. MR3-XP5500, others are the same;
- The pin 6 of IC7801 for FAN-7_SW has been added.
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