FUJITSU MAT3147NC/NP - Manual (Page 68)

4-18 C141-E201
Figure 4.21 Output signal for external LED
e. –WTP: Input signal (CN1-A12 and CN2-9, 10 pin)
By connecting the CN1-A12 and CN2-10 pins to the GND, writing operations into the IDD
disc media are set to disable.