Instruction manual

61200780L1-1C © 2004 ADTRAN, Inc. 29
ATLAS 800 Series System Manual ATLAS 890 Front Panel
Engineering Guidelines
Option Module
Displays by row the operational condition of each module installed in the
option slots. All LEDs will be off if no option module is installed. (See
Table 5 on page 29.)
Status
Indicates the operational condition of modules installed in the option
slots.
Online
Indicates whether the module is available for use or is currently in use. If
the module is manually taken offline, this LED is turned off.
Test
Indicates that one or more ports within a module are in test.
Table 5. ATLAS 890 LED Description
For These Leds... This Color Light... Indicates That...
Fans
Red (solid) Fan speed is too low or fan is disconnected.
Amber (solid) Fan speed is too high.
Green (solid) All fans are functioning properly.
Alarm
Red (solid) A fan, external input, or power supply error has occurred.
LED will remain red until the ACO button is pressed.
ACO
Amber ACO button is being pressed.
Stand-by controller
Status
Green (slow blink) Stand-by controller is present.
Online
Green (solid) Stand-by controller operational for redundancy.
Red (fast blink) Controller cannot automatically become the active
controller while the current active controller is installed.
Test
N/A N/A
Link
Green (solid) Ethernet link detected.
Table 4. ATLAS 890 Front Panel LEDs’ Purpose (Continued)
LED Purpose