CONNECTIONS
8.
8.1. HDBaseT Link (RJ45) Connection
This device is specified to operate with category cables for communication between the
transmitter and receiver. The transmission path may include a maximum of two keystones and
two patch cables, as long as the total length does not exceed 100 m for category cable and
resolution desired.
Note: The HDBaseT Link RJ45 connection includes a 48V signal. Do not connect anything to
this port other than a B-660-EXT-444-100A transmitter or receiver.
8.2. RS-232 Control Connections
• Bidirectional RS-232 signals are transmitted between the device transmitter and receiver
over the category cable. The transmitter may be connected to a control system, and the
receiver may be connected to an RS-232 controllable device.
A
RS-232 Control (DB-9) - See Section 8.2.1
B
HDBaseT Link Category - See Section 8.1
TX Function Group
DTE
DTE Mode
1
2
3
4
ON
Transmitter
B
HDBT
Receiver
RX Function Group
DCE Mode
1
2
3
4
ON
DCE
TIA/EIA Standard 568-B (Gold Pins Facing Up)
Pin 1 - White/Orange
Pin 5 - White/Blue
Pin 2 - Orange
Pin 6 - Green
Pin 3 - White/Green
Pin 7 - White/Brown
Pin 4 - Blue
Pin 8 - Brown
HDBaseT RJ45 Connections
Control System
A
A
RS-232 Controllable Device
Example 1
14
1
2
3 3
3
4
5
6
7
8
TIA/EIA-568-B
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