2.3.3.2
CAC3 Status Indicator LEDs
The CAC3 is equipped with several LEDs that communicate useful information about the
operating status of the CAC3.
Link Acknowledge
LED4
LED5
LED7
LED1
LED2
LED3
Link Status
Figure 2-13 CAC3 LED Locations
LED1
Debug LED1
Green – On during normal operation.
LED2
Debug LED2
Green – On during normal operation. Off during bootload.
LED3
Power Good
Green – Power to CAC3 is functional.
LED4
Maintenance
Yellow – Off during normal operation. On during bootload.
LED5
Fault
Red – CAC3 Board fault
LED6
LED7
Ethernet Speed
Green –
On – Speed is 100 Mb/sec (or auto-negotiating)
Off – Speed is 10 Mb/sec (or disconnected)
RJ-45
Green
Link Status
Green – LED is green when link is in full duplex mode.
RJ-45 Yel‐
low
Link Acknowl‐
edge
Yellow – LED is on when link is active. Will flash off for transmit or receive activity.
Electronic Compartment Component Descriptions and Maintenance Procedures
2.3 System Controller Version 2.1 (SYSCON2.1)
Maxum II Reference Manual
Manual, 7/2017, 2000596-001
35