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Chapter 2: Overview
2. Overview
2.1 Introduction
The Video Extender - 4K HDMI, IR, RS-232, 4-Port Transmitter distributes one HDMI
input to four HDBaseT outputs, plus one HDMI local output. You can use the HDMI out-
put socket to monitor local devices or cascade with an additional transmitter.
The AVS-HDB-4TX transmits uncompressed 4K (max) HDMI, IR, and RS-232 signals over
a single CAT5e/6/7 cable. It supports transmission of a 4K signal up to 128 feet (40
meters) and 1080p signal up to 224 feet (70 meters). If required, use the HDMI local
output to cascade the HDMI signal up to 4 times with additional AVS-HDB-4TX. AVS-
HDB-4TX is also capable of bi-directional IR control, RS-232 control, EDID management,
and PoC.
AVS-HDB-RX recievers are recommended to use the full function of the HDB outputs of
this device.
2.2 Features
• Complies with HDMI 1.4 and 3D standards.
• Transmits 4K x 2K signals up to 128 feet (40 meters) and 1080p signals up to 224 feet
(70 m).
• Supports PoC.
• Supports bi-directional IR control and cascade control.
• Supports RS-232 control and cascade control.
• Provides real-time display of working status via LED indicators.
• Supports EDID configuration, 5 types in total.
• Supports cascading via HDMI OUT, IR Loop, and RS-232 Loop.
2.3 What's Included
Your package should include the following items. If anything is missing or damaged,
contact Black Box Technical Support at 724-746-5500 or [email protected].
• (1) Video Extender - 4K HDMI, IR, RS-232, 4-Port Transmitter (AVS-HDB-4TX)
• (2) mounting ears
