Dell P2720DCc User Manual page 22

USB Type-C connector
Pin
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A10
A12
22 │ About your monitor
Signal
GND
SSTXp1
SSTXn1
VBUS
CC1
Dp1
Dn1
SBU1
VBUS
SSRXn2
SSRXp2
GND
Pin
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
Signal
GND
SSTXp1
SSTXn1
VBUS
SBU2
Dn1
Dp1
CC2
VBUS
SSRXp2
SSRXp2
GND