Ross Opengear UDC-8625A Series, User Manual, Page: 23 / 174

UDC-8625A Series User Manual (Iss. 11) Installation • 2–3
Card Overview
This section provides an overview of the controls available on the UDC-8625A series card.
Figure 2.1 is an example of a UDC-8625A card. If you have an UDC-8625A-A or an
UDC-8625A-B, an audio daughter card is mounted on the card surface.
Figure 2.1 Components
1. CompactFlash™ Card
The CompactFlash™ card provides 2GB of flash memory to manage media files, such as stills
and animations, for the UDC-8625A series card.
2. Board Reset Button (SW1)
Pressing this button resets the microprocessor and re-initializes the card. This is a hard reset of the
card and unsaved settings are not retained. This may cause loss of data and should only be
performed as advised by Ross Video Technical Support.
3. JP5, JP6
These jumpers are not yet implemented and must be left in the default position of Pin 2 (center)
and Pin 3 (bottom).
4. Reference Termination (JP7)
JP7 is a 3-position jumper block used to configure the 75ohm termination on the local reference
input on the rear module.
• Pin 1 (left) + Pin 2 (center) position — In this position, the reference is terminated
with a 75ohm resistor. This configuration is to be used for point-to-point cabling, or
on the last card of a daisy chain topology. This is the default position. Refer to
Figure 2.2 for pin positions.
Figure 2.2 J7 — Default Position
• Pin 2 (center) + Pin 3 (right) position — In this position, the 75ohm termination is
removed and the reference is not terminated. This configuration is used in a daisy
chain cabling topology where only the last card is to be terminated.
1) CompactFlash™ Card 3) JP5, JP6
2) Board Reset Button (SW1) 4) Reference Termination (JP7)
1 2 3
Pin Position
1+2