Installation and Setup
31
DGX Transmitters & Receivers Instruction Manual
TX – Wiring for RS-232 Data Transfer
The RS-232 port is a unidirectional interface.
Important:
The RS-232 connection on the modules requires management of the RS-232 data line in
relation to switching operations. In an upstream matrix switching scenario, we recommend that
RS-232 control commands (via the DGX RS-232 data connection) are not sent immediately prior or
subsequent to a matrix switching command. It is possible for the RS-232 data to be corrupted as the
video (or audio) signal is removed and then restored by the matrix switcher.
The RS-232 port is the 3- position screw terminal block on the rear of the module to the right of the power
jack. Wire this port to supply unidirectional RS-232 serial data along with the associated video and audio
signals from a source device (via the TX over fiber to the RX) to a destination device.
The video signal
must
be present to pass serial data.
On the TX module, the pinout for the RS-232 connector is “RX - Ground - NC.”
The RS-232 port label is
relative to the data flow; RS-232 data flows the same direction as the video signal. Data enters the system
at the RX label on the TX module and leaves the system at the TX label on the RX module.
To wire the RS-232 port on the TX for data transfer:
1.
Wire the RS-232 connector according to the pinout directly above the connector (FIG. 23).
TX – Applying Power
Caution:
If you are providing the power supply, use a UL (or equivalent) listed power supply.
To avoid damage to the module, the electrical ratings for the power supply must not exceed those
indicated in the “Specifications” table on page 18.
To apply power to the TX:
1.
Plug the cord from the desktop power supply (provided) into the power jack on rear of the TX.
2.
Plug the desktop power supply into an AC external power source.
The Power LED on the front of the TX initially turns red and after a moment it turns a constant green,
indicating a ready state.
Some of the additional LEDs will also turn a turn a constant green; see the table below for LED states
on initial power up.
DGX HD-15 TX – Indicator LEDs at Initial Power Up
FIG. 23
Wire TX for RS-232 data transfer
TX LED
Normal State
Indicates
Power
Constant red
Constant green
Initial application of power (red for a brief time only).
Power is in an operational state.
Video
Constant green
A video signal is present through TX.
Audio
Constant green
An audio signal is present through TX.
EDID
Off
EDID is in Write-Protect mode (EDID switch on rear is flipped down).
Y/P
B
/P
R
, RGB
Constant green
A Y/Pb/Pr or RGsB signal is present through TX.
RGBHV, RGBS
Constant green
An RGBHV or RGBS signal is present through TX.
Auto
Manual
Constant green
Off
TX is in Auto mode for determining resolution (default state).
Press Mode button to turn on Manual mode (Auto LED will turn off).
RS-232 pinout
tables for LEDs at initial power up
Содержание AVB-RX-DGX-SC Fiber-DVI
Страница 10: ...Notices 6 DGX Transmitters Receivers Instruction Manual ...
Страница 54: ...Adjusting Video with BoardConfig Software 50 DGX Transmitters Receivers Instruction Manual ...
Страница 60: ...EDID Programmer 56 DGX Transmitters Receivers Instruction Manual ...
Страница 70: ...Troubleshooting 66 DGX Transmitters Receivers Instruction Manual ...
Страница 76: ...Appendix B Restoring Default Settings 72 DGX Transmitters Receivers Instruction Manual ...