Gefen EXT-DVI-1CAT5-ELR user manual Edid Management, Hot-Plug Detect HPD

Advanced Operation

DIP Switch Configuration

Each of the following sections describe the DIP switch settings that control each feature. DIP switches that are not related to a specific feature have been grayed-out. Note that DIP switch settings can be used independently or in conjunction with other features, as desired.

EDID Management

When switching between different EDID modes, the Sender unit must be power-cycled in order for the changes to take effect.

Description		Sender unit						Receiver unit
•	Local (Internal) EDID. This EDID provides
				ON		SAB			ON		SAB
	generic video/audio support which is
	compatible with most displays.
•	This is the default setting.
			1
					2	3	4		1	2	3	4
•	Downstream EDID is used. Both DDC
				ON		SAB			ON		SAB
	and HPD (Hot-Plug Detect) are passed
	through, allowing the full audio/video
	capabilities of the display to be used.
			1
					2	3	4		1	2	3	4

Hot-Plug Detect (HPD)

When switching between different HPD modes, the Sender unit must be power-cycled in order for the changes to take effect.

Description

Sender unit

Receiver unit

•

Forces HPD high.

•

This is the default setting.

ON

SAB

ON

SAB

2

1

3

4

1

2

3

4

•

HPD is passed through from the sink

ON

SAB

ON

SAB

to the source.

1 2 3 4 1 2 3 4

page 12