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Appendix A – EDID Programmer
8.
Disconnect the DVI cable from the PC and from the destination device.
Using Cable Adapters
If your laptop has an HD-15 (VGA) port, you can use a DVI-to-VGA cable to connect the laptop's
HD-15 video port to a DVI cable attached to a destination device's DVI port. Alternatively, use the following
combination of adapters with a DVI-D cable to connect the laptop to the destination device:
PC or
Laptop
FIG. 55
Connecting an HD-15 (VGA) port to a DVI port
Note: The setup of adapters and DVI-D cable in FIG. 55 passes EDID information but does not video
signals.
Writing EDID Data to Epica DGX 16 or 32 DVI Input Connector
The instructions that follow cover the situation in which the EDID Programmer is used to write EDID
information to the EDID chip for an input connector on a DGX DVI Input Board that still has the factory
default settings.
To write EDID data to the EDID chip for an input connector:
1.
Attach a null modem serial cable without hardware flow control to the serial port (DB-9) on the
Epica DGX 16 or 32. Use a serial cable that matches the pin diagram in FIG. 56 for RS-232.
AMX AutoPatch equipment uses pins 2, 3, and 5 only.
FIG. 56
RS-232 pinout
2.
Attach the open end of the serial cable to the PC that the EDID Programmer will be opened on.
3.
Apply power to the enclosure.
4.
On the PC, open the EDID Programmer (see page 111).
5.
If necessary – From the Communication menu, select Change Settings to change the baud rate for the
PC's serial port, which must match the baud rate for the Epica DGX 16 or 32. The recommended
(default) settings for serial communication with an Epica DGX 16 and 32 are: baud rate – 9600,
data bits – 8, parity – none, stop bits – 1, and flow control – none.
6.
For the Target Device, select the Matrix Switcher option.
7.
Click the Query AutoPatch Device button to obtain the XNNet ID address from the enclosure.
8.
Attach a DVI video cable to the PC using the PC's spare monitor port.
9.
Attach the open end of the DVI video cable to the DVI input connector on the Epica DGX DVI Board
that requires programming.
112
Female VGA (HD-15) adapter
to Male DVI-I adapter
PC: DB-9
DVI-I Female to
Male DVI-D to
DVI-Female adapter
Male DVI-D cable
AMX AutoPatch: DB-9
Epica DGX 16 and Epica DGX 32 Instruction Manual
Destination
Device
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