Chapter 4 Connecting computers and other devices
docs.smarttech.com/kb/171904 103
Using recommended cables
SMART recommends the following varieties of cable:
Cable type Maximum length Recommendation
Display Port 23' (7 m)
1
Use only certified Display Port 1.4 cables that have been
tested to support the performance standard you
require.
HDMI 23' (7 m) Use only certified Premium High-Speed HDMI (18
Gpbs) cables that have been tested to support the
performance standard you require.
VGA 23' (7 m) Use VGA cables with all pins in their connectors fully
populated and wired.
Stereo 3.5 mm 20' (6 m) Use only shielded 3.5 mm cables
Important
Use only a 3.5 mm stereo jack (15 mm long barrel) to
connect to the display.
USB 2.0 16' (5 m) See
USB extenders
on page12
USB 3.0 9' (3 m) SMART supports only installations that use directly
connected video and USB cables, or AC-powered
extenders.
You might be able to use higher-grade cables that
exceed the recommended length. If you have problems
with such a cable or an extender of any type, test the
connection with a shorter cable before contacting
SMART Support.
USB Type-C 6' 6" (2 m) for
SuperSpeed 5Gbps
cables
USB-IF certified USB 3.2 Gen 1 Type-C cable,
SuperSpeed (5 Gbps) support
To use a USB Type-C cable for video, you need:
l
A full-featured cable that supports SuperSpeed
5Gbps (or faster) data rates.
l
A computer that supports Display Port Alternate
Mode via USB Type-C
Note
Using cables that exceed these maximum lengths may produce unexpected results, intermittent loss of
picture, or degraded picture quality and USB connectivity.
1
The performance of cables longer than 23' (7 m) is highly dependent on the cable’s quality.
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