2-12
P4/P5: The PDI backplane can be configured to draw its power from different sources via
P4 and P5:{xe "power distribution interface (PDI): configuring"}{xe "card configuration:
power distribution interface (PDI)"}
To draw power from an XPS on the PDI, set jumpers on P4 and P5 to position 2
– 3.
To draw power from P1 (from the previous bay), set jumpers on P4 and P5 to
position 1 – 2 (default).
To remove power from the PDI, remove the jumper from P4.
Refer to the appropriate installation instructions to configure other cards that are located
in CPU and expansion bays.
{xe "4100U: card configuration"}
Each card has to be interconnected with every other card in its bay. At the same time,
bays in the FIP also have to be connected together. Read this section to ensure that cards
and bays are interconnected.
Review the following guidelines before interconnecting modules and bays:
The SPS provides 24V power to the CPU motherboard.
The CPU motherboard provides 8 V (3 A capacity) for use by Legacy 4100 slave
cards. 24 V card power is routed through the motherboard for slave card use.
4100 internal comms and power are harnessed to other bays. Do not connect the 8 V
at P7 to an 8 V converter on a Goldwing power supply or remote interface card.
24 V Card power from the SPS is rated at 2 A.
The 4-wire communications and power harness carries only the 24 V Card supply to
a PDI, and not the 24V Signal supply.
Some of the wire harnesses supplied with cards are not required. These can be stored
in case of future requirements.
Continued on next page
Step 3. Configuring Cards (4100ES), Continued
PDI Configuration
Configuring Other
Cards
Step 4. Interconnecting Modules and Bays
Overview
Guidelines
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