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Internal SPU Cabinet Connections
Bus Converter (BC) and HP-PB I/O Bus Converter Connections
On 990/992/890, 991/995/T500, and 996/T520 Systems, BC cards in the PMB card cage
have four bulkhead connectors. The bottom two connectors (module 0) on the BC card in
slot 0 are used to connect the card to the internal HP-PB card cage. The top two connectors
(module 2) and the bottom two connectors (module 0) on any other BC cards are used to
connect the card to external HP-PB card cages.
On 997/T600 Systems, each HP-HSC I/O Bus Converter may have one or two HP-PB Bus
Converters attached to it. An HP-HSC I/O Bus Converter in slot 0 with an HP-PB Bus
Converter attached at module 0 is connected to an internal HP-PB card cage. Other
HP-HSC I/O cards with attached HP-PB Bus Converters are connected to optional
external HP-PB card cages. A maximum of twelve HP-PB card cages can be used with a
997/T600 System — one internal and 11 external.
NOTE
BC cards from 990/992/890, 991/995/T500, or 996/T520 Systems cannot
be used on 997/T600 Systems. Similarly, 997/T600 HP-PB Bus
Converters cannot be used on 990/992/890, 991/995/T500, or 996/T520
Systems.
In this part of the installation, verify that the BC card or HP-PB I/O Bus Converter in the
PMB card cage is connected to the BC or HP-PB I/O Bus Converter card in the HP-PB I/O
card cage: (This connection is made at the factory.)
1. Locate the two flat ribbon cables for connecting the BC cards.
2. Verify that the cables are in the configuration shown in Figure 3-14.
Chapter 3
Installation
Internal SPU Cabinet Connections
3-31
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