Norco BIS-1280A40, User Manual

Page: 33 / 39

BIS-1280A40 User Manual
5.3 Interface Specification
Please read this manual carefully before connecting the external connector to
avoid damage to the motherboard
！
5.3.1 Interface
（
J1
，
J2
）
J1
（
Connect to the J13 of the expansion board SOMB-7007 through the FPC
）：
Signal Name Pin Signal Name
4G_VCC_3V3 1 2 4
4G_VCC_3V3 3 4 4G_USB_D-
SD3_DATA2 5 6 4G_RESET
SD3_DATA3 7 8 4G_DISABLE
SD3_CMD 9 10 4G_WAKEUP_IN
SD3_CD 11 12 4G_WAKEUP_OUT
SD3_CLK 13 14 GND
SD3_DATA0 15 16 GND
SD3_DATA1 17 18 GEN_3V3
SD3_WP 19 20 GEN_3V3
J2
（
Connect to the J26 of the expansion board SOMB-7007 through the FPC
）：
Signal Name Pin Signal Name
GEN_3V3 1 2 GND
GEN_3V3 3 4 GND
NC 5 6 I2C2_SCL_LED
Left J2
，
Right J1