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Page 67
Version 6.0
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NovaTec
Mobile Gateway S20
Picture 36:
CCU status display
CCU
V24
Centronics
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
Reset button
Status indicator (LED)
Power
Ready
LED
1
2
3
4
5
6
7
8
LED
LED is off
LED is flashing intermittently
LED is constantly on
Reset and CPU not yet started
CPU started
(Sequentially flashing light, turning from left to right.) Boot monitor active
(Power - LED is off) System is in default configuration
System is in operation
Error during CPU self-test 1 (system stops)
Error during CPU self-test 2 (system stops)
CPU-Chipset initializing
Error during bootcode RAM-test (system stops)
CPU creates the stack for switching to protected mode
CPU switches to protected mode
CCU-Hardware is not released (system stops)
System is waiting for the boot monitor respectively the default configuration
(if you press the reset button now, system starts in default configuration)
Error within checksum test of the boot ROM (system stops)
There is not enough DRAM mounted (system stops)
Error in DRAM (system stops)
System is waiting for release of the reset button and after the system has noticed this the default
configuration starts
Loading the default configuration
Loading the boot monitor
The LED 1-8 shows the status of the interfaces.