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1-2 Introduction
553-4011-510 Standard 1.0 November 1994
The following procedure is used to boot SSID from the hard disk:
1
Boot the NAC.
2
Press {Break} at the prompt, Autoboot in Progress...To abort hit
[Break].
3
Type bo 0,0,/diag/test167
For more information about SSID, refer to the Application Module
Advanced Maintenance Guide (533-3201-512).
NAC polls Meridian MAX
Whenever the NAC is switched on, it polls the Meridian MAX systems
connected to it and requests acknowledgement. This poll is taken at a
predetermined rate, and constantly repeated while the NAC is operating.
The Meridian MAX system (Version 4.3x, Version 6.xx, and higher) is
programmed to seek and respond to the NAC poll.
Provided that the poll is taken by the NAC and responded to by the
Meridian MAX, the system can interact with the Meridian MAX system.
If the NAC does not receive an acknowledgement within a specified time
interval, the NAC reports that it cannot connect to the Meridian MAX
system.
Error logging and corrective action by NAC software
The NAC has full reporting capability if an error occurs in any task. These
errors are logged in the NAC error log file. When possible, corrective
action is taken by the NAC software.
Power-up diagnostics.
Hardware diagnostics automatically execute at power-up. This prompts any
detected faults to be displayed on the NAC system console. These
diagnostics test the memory, I/O ports, and system console keyboard.
Hardware detection
The operating system installation procedure performs a hardware automatic
detection routine and displays the system's hardware on the screen. This
includes the CPU board, memory, hard disk, and tape drive. The installation
procedure can be aborted if the hardware configuration being displayed is
inaccurate.
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