Name: 4K60 USB-C Extender Kit with USB 3.2, 100W Charging and HDMI Output, 40m
Brand: KanexPro
SKU: EXT-USBCPD4K-40M

Question 1

What is the maximum video resolution the EXT-USBCPD4K-40M passes?

Accepted Answer

It carries resolutions from 480i up to 4096x2160 at 60Hz, and reaches 5120x2160 at 50/60Hz (5K60 at 4:2:2/4:2:0, 8-bit). Ultrawide modes 2560x1080p60, 3440x1440p60 and 5120x1440p50/60 are also supported.

Question 2

What is the HDMI output specification and HDCP support on the EXT-USBCPD4K-40M?

Accepted Answer

The receiver has an HDMI 2.0b output with 18Gbps bandwidth. It supports HDCP 2.3 and HDCP 1.x.

Question 3

What control interfaces does the EXT-USBCPD4K-40M offer?

Accepted Answer

It has RS-232 pass-through on both ends via a 3-pin 3.5mm phoenix connector, plus an ASCII API on the SERVICE USB-C port at 115200 baud, 8 data bits, 1 stop bit, no parity.

Question 4

What can a control system do over the EXT-USBCPD4K-40M API?

Accepted Answer

Over the ASCII API you can set input HDCP mode, select EDID presets, set output source and HDCP, control HDMI 5V power and the downstream USB port power, read status and signal, and reboot, reset or update the firmware. Commands include entries like set tx input 0 hdcp 2 and set rx output 1 source 1

Question 5

How must the CAT cable between the transmitter and receiver of the EXT-USBCPD4K-40M be run and terminated?

Accepted Answer

Use CAT6a U/FTP, 23AWG minimum, direct-wired, and terminate both ends to the same straight-through pinout. Do not cross-connect the cable.

Question 6

How is the EXT-USBCPD4K-40M powered at each end?

Accepted Answer

The transmitter is powered from its included 24V/7.5A supply. The receiver runs on 24V PoC over the CAT6a cable, or from an optional 24V/2A supply, and the PoC is bi-directional so the far end does not need its own supply. Note that 100W USB-C charging works only when the transmitter is powered from

Question 7

The display on my EXT-USBCPD4K-40M shows no picture. What should I check?

Accepted Answer

Look at the VIDEO LED: on means video with HDCP, blinking means video without HDCP, and off means no video is present. Confirm the LINK LED is on at both ends, since it is off when the transmitter and receiver are not linked, and verify the CAT6a run is direct-wired end to end. At the display end, t

Question 8

The transmitter and receiver of my EXT-USBCPD4K-40M will not link. What should I check?

Accepted Answer

The LINK LED is off when the two ends are not linked, so start there. Confirm the AV-USB3 OUT and AV-USB3 IN are joined with CAT6a U/FTP 23AWG minimum, that the cable is direct-wired and not cross-connected, and that at least one end is powered so PoC can feed the other.

Question 9

Is the USB 3.2 port 5 Gbps?

Accepted Answer

No. USB 3.2 Gen 1 devices operate at up to 2.5 Gbps on this extender - more than 5x USB 2.0 and enough for 4K room cameras, speakerphones, touch displays and storage. Devices that require a full 5 Gbps link are not supported.

Question 10

What cable does it need?

Accepted Answer

CAT6a U/FTP 23AWG minimum, direct-wired (T568B both ends, not crossover), shielded terminations recommended. 40m/130ft at 4K, 35m/115ft at 5K. The USB-C source cable should be a USB 3.2 Gen 1 passive cable up to 1.5m.