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DVI to DVI Cable - 1.5m

DVI-DVI-1-5M

A digital DVI video cable between a display and a computer or graphics card.

Type: dvi
Length: 1.5 m
Connectors: DVI

In-depth technical details

DVI-D carries only a digital signal (no analog pins) -- confirm both connected devices are DVI-D (or HDMI via a passive DVI-D/HDMI adapter, since both carry the same TMDS signal) before assuming compatibility with a DVI-I/analog-only source.

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Connector anatomy

DVI-D connector

01 18 of 24 possible digital pins DVI-D is digital-only, with no analogue pins for a passive VGA adapter. Single-link tops out at 1920x1200@60Hz; dual-link doubles the bandwidth for up to 2560x1600@60Hz.
02 6 empty positions In every row, positions 4 and 5 physically carry no pin on a single-link cable -- they exist only to seat a second TMDS link's contacts on a dual-link cable.
03 Thumbscrews Hand-tightened, the same role VGA's thumbscrews play, on a wider shell built to hold more pins.
04 Strain-relief boot Stops the wires flexing where they leave the plug — the exact point most cables fail.
05 Outer jacket The outer sheath protecting the conductors inside from abrasion and moisture.

Technical illustration, not a photo of the actual product

How it works

DVI-D cable construction

Three differential pairs carry the picture data (TMDS), a fourth carries the clock -- physically the same principle as HDMI. There is no audio, CEC, or HPD wiring in a DVI-D cable at all; a separate DDC pair alone reads what the display can do.

01 3 data pairs + 1 clock pair Each pair is individually shielded. Single-link uses one of each pair; dual-link adds three more data pairs to double the bandwidth for up to 2560x1600.
02 DDC pair A slow I2C channel that reads the display's EDID capabilities before any picture data starts flowing.
03 Shield A grounded conductive wrap that absorbs electromagnetic interference before it reaches the signal.
04 Outer jacket Protects everything inside mechanically. It plays no electrical role.

Technical illustration, not a photo of the actual product

From the published standard

How it works

DVI carries picture digitally using the same TMDS encoding HDMI later adopted, over differential pairs. Single-link is enough up to 1920x1200; dual-link adds extra pairs for higher resolutions.

Encoding: TMDS, digital
Single-link limit: Up to 1920x1200

This information comes from published sources about this type of product, not from the supplier.

en.wikipedia.org

Technical specifications

Type	dvi
Length	1.5 m
Connectors	DVI

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