Dual 4K Extender with USB 2.0
© Copyright 2020 Hall Research, Inc.
7
4.0 Connector and Indicator Functions
ULTRA-4K-S (front)
1 2 3 4
1)
SERVICE: USB-Mini connection, used for upgrading firmware or
configuring parameters such as EDID via free PC GUI.
2)
USB HUB/PORT 1/PORT 2: LEDs show presence of USB Input and local
devices. The Hub LED indicates that the hub is active (note that
PC/Host has the ability to put the hub in “selective suspend” mode in
which case the Hub LED will turn off. Hosts usually do this if no
downstream devices are connected to the hub. The Port 1 and 2 LEDs
correspond to the two USB (type A) ports available on the rear panel.
They should be on if there is a USB device connected to them.
3)
VID/ACT/LINK: Status indicators of HDMI A/B
a.
VID: This LED is lit when HDMI video input is present.
b.
ACT: This LED blinks when HDMI extender core processor is
active (normal).
c.
LINK: When this LED is solidly on, it indicates the system has
detected at least one Receiver and is actively transmitting video
and data. Blinks if the system has never seen a compatible
Receiver or it is not transmitting video.
4)
POWER: Power LED lights when power is supplied.