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CHAPTER 4 NDA-24282
Page 90
Revision 1.0
PH-BS16 (PBI)
PH-BS16 (PBI)
1. Function
This circuit card provides an interface by which the ACDP performs inter-processor communications with
another Processor via the Processor Bus (P-BUS) under control of the ACDP (PA-CP54 card). Also, this
circuit card is connected with the Maintenance Bus (M-BUS) and provides functions that allow the SP
(System Processor) to read out status or fault information of the ACDP and that cause the ACDP to set make-
busy or perform initialization.
2. Mounting Location/Condition
The mounting locations of this circuit card and the conditions related to mounting are shown below.
CPU
(ACDP)
PBI
SP0
SPC
SP1
SPC
MEM
M-BUS No.0
M-BUS No.1
P-BUS No.0
P-BUS No.1
To other
processor
To other
processor
Position within the system
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Mounting Module APM-A\E
PH-BS16
PH-BS16
For No. 1 system
For No. 0 system