Dell U3425WE UltraSharp 34 Curved Thunderbolt Hub Monitor - Users Guide - Page 33
Pin number, Signal name, About your monitor, USB 3.2 downstream connector
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USB 3.2 downstream connector (Rear) (Bottom) Pin number 1 2 3 4 5 Signal name VBUS DD+ GND StdA_SSRX- Pin number 6 7 8 9 Shel l Signal name StdA_SSRX+ GND_DRAIN StdA_SSTXStdA_SSTX+ Shield Thunderbolt™ 4/USB Type-C connector Pin number A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 Signal name GND TX1+ TX1VBUS CC1 D+ DSBU1 VBUS RX2RX2+ GND Pin number B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 Signal name GND TX2+ TX2VBUS CC2 D+ DSBU2 VBUS RX1RX1+ GND About your monitor │ 33
![](/manual_guide/products/dell-u3425we-ultrasharp-34-curved-thunderbolt-hub-monitor-users-guide-7909ba1/33.png)
Pin number
Signal name
Pin number
Signal name
A1
GND
B1
GND
A2
TX1+
B2
TX2+
A3
TX1-
B3
TX2-
A4
VBUS
B4
VBUS
A5
CC1
B5
CC2
A6
D+
B6
D+
A7
D-
B7
D-
A8
SBU1
B8
SBU2
A9
VBUS
B9
VBUS
A10
RX2-
B10
RX1-
A11
RX2+
B11
RX1+
A12
GND
B12
GND
About your monitor
±±
│
± ± 33
USB 3.2 downstream connector
Thunderbolt™ 4/USB Type-C connector
(Rear)
(Bottom)
Pin number
Signal name
Pin number
Signal name
1
VBUS
6
StdA_SSRX+
2
D-
7
GND_DRAIN
3
D+
8
StdA_SSTX-
4
GND
9
StdA_SSTX+
5
StdA_SSRX-
Shell
Shield