The 4K1042 has a single USB 2.0 port, and the 4K1142 has two USB 3.0 ports and a single USB 2.0 port. All ports are
capable of transfer speeds up to 480 Mbit/s. The maximum length for a USB cable is 5 meters. The following tables
illustrate the pinout of the USB 2.0/3.0 host ports:
USB 2.0
pin
Description
1
VBUS
3
D+
USB 3.0
pin
Description
1
VBUS
3
D+
5
StdA_SSTX-
7
Ground
9
StdA_SSRX+
3.5mm Audio Connector
All 4K models have a single 3.5mm female audio connector, which transmits an analog stereo signal. The full-scale
voltage output of the audio is 2V RMS. The output impedance of the audio connector is 32Ω.
Note: The BrightSign expansion module allows you to drive up to three sets of 5
The audio connector has the following pinout:
• Tip: Left audio
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to