Acer CB322QK semipruzx 31.5" 4K UHD HDR Display - Manual (Page 19)

6
Connector pin assignment
19-pin color display signal cable
PIN No. Description PIN No. Description
1 TMDS data 2+ 11 TMDS clock shield
2 TMDS data 2 shield 12 TMDS clock-
3 TMDS data 2- 13 CEC
4 TMDS data 1+ 14 DDC-serial data
5 TMDS data 1 shield 15 SCL
6 TMDS data 1- 16 SDA
7 TMDS data 0+ 17 DDC/CEC Ground
8 TMDS data 0 shield 18 +5V Power
9 TMDS data 0- 19 Hot Plug Detect
10 TMDS clock+