
User Operation Guide
2*Specifications are subject to changes without notice.
No. Name Description
1 INPUTS HDMI inputs ports, 8 in total, connect with HDMI sources
2 OUTPUTS SPDIF: audio output ports for de-embeded HDMI audio, 8 in total
HDMI: 8 in tatal, connect iwth HDMI displays
3 Control a) Firmware: Micro USB port for firmware upgrade
b) EDID Switcher: 4-pin EDID DIP switchers to set EDID data,
“1” stands for “On”, “0” stands for “Off”. Refer to “EDID Management”
for more details.
c) RS232: Serial control port, connect with control device
d) IR IN: input port for IR control signal, connect with the IR receiver
e) TCP/IP: (optional) TCP/IP port for unit control
4 DC 12V Connect with DC 12V power adaptor
5 Ground Connect to ground
PRODUCT DESCRIPTION
FEATURES
PANEL DESCRIPTIONS
The ABtUS MAX-HDMI44P is a professional 4×4 HDMI Matrix Switcher that features up to 4 HDMI
1.4 & HDCP 1.4 compliant signal to output to 4 HDMI outputs each with de-embedded audio.
It provides 8 audio ports for de-embedded HDMI audio output. It also include a powerful EDID
management tool to ensure reliable AV distribution and routing.
●8x8 HDMI matrix with 8 de-embedded HDMI audio ports
●Support signal up to 4K×2K@60Hz & 1080p 3D
●HDMI1.4 & HDCP1.4 compliant
●Transmit 4K×2K@60Hz signal up to15m
●SPDIF ports for de-embedded HDMI audio output
●EDID management
1 2 3 4
1 2 3 4 5
a b c d e
No. Name Description
1 Power Indicator Illuminate red when power on;
Turn green in standby mode;
Blink red when upgrading
2 LCD Screen Display real-time operation status.
3 OUTPUTS Output selection buttons, toggle the buttons to switch input
4 Power Trigger Press to power on/off the switcher