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Chapter 5 - System Maintenance
5-2
Controls and Indicators
MGC Unit Front Panel
The front panel of the MGC unit contains a number of controls, components,
and indicators for using the MGC system. Figure 5-1 and Figure 5-2 show the
front panel of the MGC-50 and MGC-100 and all their elements.
Figure 5-1: MGC-100 front panel
Power Supply Module Handle
Ejectors
LEDs
Floppy Disk Drive
Main
Control
Module
COM Port
Power
L1
L2
L3
Critical
Major
Minor
L0
PWR
IN
OUT
CONT
PWR
IN
OUT
PWR
IN
OUT
Line A
Line B
Stb y
Fail
Active
Stby
Fail
Active
Stb y
Fail
Active
Stby
Fail
Active
Stby Stby
Fail Fail
Active Active
Stb y
Fail
Active
Stby Stby
Fail Fail
Active Active
Stb y
Fail
Active
Stby Stby
Fail Fail
Active Active
Stby
Fail
Active
Stby
Fail
Active
Stby
Fail
Active
NET-E1
MUX MUX DATA DATA
VIDEO VIDEO VIDEO AUDIOVIDEO AUDIO
Stby
Fail
Active
A
UDIO
A
UDIO
Functional Modules
Line 6
Line 7
Line 8
Line 3
Line 4
Line 5
Line 1
Line 2
Line 6
Line 7
Line 8
Line 3
Line 4
Line 5
Line 1
Line 2
Line 6
Line 7
Line 8
Line 3
Line 4
Line 5
Line 1
Line 2
NET-8NET-8 NET-8
MGC-100