A power control adapter with a dedicated microprocessor monitors the 3745 power.
A file adapter provides MOSS storage control. A 72MB hard disk, in addition to a
1.2MB diskette, provides extensive capacity for file and data storage.
The MOSS interfaces to the control panel indicators and switches. These provide
an alternative method for controlling the primary power subsystem, activating
MOSS functions, and for notifying the operator.
A console adapter allows the 3745 to be controlled from a local console located
within 7 m (23 ft.), or an alternate console located within 120 m (400 ft.), or a
remote console connected via a 1200 bps DCE to the controller. Only one console
may be active at a time. If the remote support facility (RSF) is used, it allows
communication between the MOSS and the IBM RETAIN* system. The RSF
terminal can be used as an operator console and for transferring microcode
patches to the MOSS if required.
MOSS Microprocessor and Storage
The MOSS microprocessor operates independently of the CCU. The microcode is
automatically loaded from disk into the MOSS storage during IML at power-on time.
MOSS storage capacity is 2MB.
MOSS Power Control Adapter
The MOSS power control allows various automatic actions without any operator
intervention, such as:
Reporting power fault to the MOSS
Powering on/off the machine
Reset
Time function
AC line survey
Power diagnostics
Monitoring thermal sensors.
Chapter 4. Controller Description
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