PPC7A Product Manual
6-1
1
st
Edition
Chapter 6 - Front Panel
This chapter describes the features found on the PPC7A front panel.
Air-cooled Versions
PMC Slots
There are two PMC slots in the front panel. However, if you have not ordered PMCs for the sites then
Radstone will fit a blanking plate in the slot(s) for EMC protection.
If you are fitting a non-Radstone PMC, it must comply with the standard for rugged, conduction-cooled
PMCs to ensure that it mates correctly with the PPC7A mechanics. This will be the case for Radstone
PMCs.
If you are fitting a PMC yourself, before fitting the module, remove the corresponding blanking plate
from the desired PMC slot. The PMC’s bezel will fill the slot and will usually provide connection to the
module. PMCs are delivered with a full kit of parts for mounting them, and the manual for the module
normally contains instructions on how to fit the module.
LEDs
Three software programmable LEDs (DS1 to DS3) are mounted on the front panel. DS1 is yellow, DS2
is red and DS3 is green. See the Software Programmable LEDs section in Chapter 9 for more details.
Switches
A momentary action toggle switch is fitted to allow generation of a hard reset or abort. With the board in
the orientation as shown in Figure 6-1, moving the switch to the left causes an abort, and moving the
switch to the right causes a hard reset.
See Chapter 9 for more details.
Conduction-cooled Versions
PMC Slots
There are two conduction-cooled PMC slots in the front panel, allowing limited access to PCI signals. If
you are fitting a non-Radstone PMC, it must comply with the standard for rugged, conduction-cooled
PMCs to ensure that it mates correctly with the PPC4 mechanics. This will be the case for Radstone
PMCs.
LEDs
Three software programmable LEDs (DS1 to DS3) are mounted on the front panel. DS1 is yellow, DS2
is red and DS3 is green. See the Software Programmable LEDs section in Chapter 9 for more details.
Switches
There are no switches on the conduction-cooled front panel.
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