User Manual
Troubleshooting68P09255A57-2
Aug 2002
SC4812ET Optimization/ATP Manual Software Release R16.1.x.x
PRELIMINARY
6-19
GLI3 LED Status Combinations
The GLI3 module has indicators, controls and connectors as described
below and shown in Figure 6-2.
The indicators and controls consist of:
Four LEDs
One pushbutton
ACTIVE LED
Solid GREEN - GLI3 is active. This means that the GLI3 has shelf
control and is providing control of the digital interfaces.
Off - GLI3 is not active (i.e., Standby). The mate GLI3 should be
active.
MASTER LED
Solid GREEN - GLI3 is Master (sometimes referred to as MGLI3).
Off - GLI3 is non-master (i.e., Slave).
ALARM LED
Solid RED - GLI3 is in a fault condition or in reset.
While in reset transition, STATUS LED is OFF while GLI3 is
performing ROM boot (about 12 seconds for normal boot).
While in reset transition, STATUS LED is ON while GLI3 is
performing RAM boot (about 4 seconds for normal boot).
Off - No Alarm.
STATUS LED
Flashing GREEN- GLI3 is in service (INS), in a stable operating
condition.
On - GLI3 is in OOS RAM state operating downloaded code.
Off - GLI3 is in OOS ROM state operating boot code.
SPANS LED
Solid GREEN - Span line is connected and operating.
Solid RED - Span line is disconnected or a fault condition exists.
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