31 NC 32 NC
33 NC 34 NC
C.11 JUSBA
Table C-11 USB Connector pin assignments (4-pin)
Pin No. Signal name I/O Pin No. Signal Name I/O
1 +USB_VCCA 2 USB20_N0_R
3 USB20_P0_R 4 GND
C.12 JUSBB
Table C-12 USB/B Connector pin assignments (4-pin)
Pin No. Signal name I/O Pin No. Signal Name I/O
1 +USB_VCCA 2 USB20_N1_R
3 USB20_P1_R 4 GND
C.13 JUSBC
Table C-13 USB/B Connector pin assignments (4-pin)
Pin No. Signal name I/O Pin No. Signal Name I/O
1 +USB_VCCB 2 USB20_N4_R
3 USB20_P4_R 4 GND
C.14 JPOWER
Table C-14 POWER/B connector pin assignments (4-pin)
Pin No. Signal name I/O Pin No. Signal Name I/O
1 PWR_ON_LED# 2 PWR_ON_LED
3 ON/OFFBTN#_R 4 GND
C-10
[CONFIDENTIAL]
NB250/NB255 Series Maintenance Manual