CHAPTER 4 NDA-24282
Page 68
Revision 1.0
PA-PC56-A (COPY)
PA-PC56-A (COPY)
1. Function
This circuit card provides the function to copy the contents of the RAM of both the standby (ST-Y) system
and the active (ACT) system so that the contents of the RAM of both system may be always coinciding with
each other.
2. Mounting Location/Condition
The mounting locations of this circuit card and the conditions related to mounting are shown below.
• This circuit card is not used when the ACDP is provided in a single-system configuration.
CPU CPU
COPY COPY
CRAM CRAM
IOC
APM
ALMC
RS-232C (Non-protocol)
Position within the system
(ACDP) (ACDP)
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
PA-PC56-A
PA-PC56-A
For No.1 systemFor No.0 system