The RJ-45 pin assignments are as follows:

 

PIN

 

 

Symbol

 

 

 

Description

 

1

 

DDC Data GND

 

 

DDC Data line return ground

2

 

DDC Data

 

 

DDC Data line for (HDMI Digital Display Channel) DDC2B

 

 

 

 

 

 

 

communication

 

 

 

 

 

 

3

 

DDC Clock GND

 

 

DDC Clock line return ground

 

 

 

 

 

 

4

 

Power GND

 

 

Main power return ground

5

 

Power

 

 

Main power for Kramer module

 

 

 

 

 

 

6

 

DDC Clock

 

 

DDC Clock line for (HDMI Digital Display Channel) DDC2B

 

 

 

 

 

 

 

communication

 

 

 

 

 

 

7

 

5V_IN

 

 

DVI 5V (DVI No. 14 pin for Display)

8

 

HPD

 

 

Signal is driven by monitor to enable the system to identify the

 

 

 

 

 

 

 

presence of a Display

 

 

 

 

 

 

 

 

 

 

621T, 621R - Connecting and Operating the 621T, 621R

11

 

 

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Kramer Electronics 621T user manual RJ-45 pin assignments are as follows, Symbol Description