Led Indicators; Table 4-1 Expansion Hub Unit Status And Dl/Ul Status Led States - ADC InterReach Fusion Installation, Operation And Reference Manual

4.2.4
POWER DL STATUS
EH STATUS UL STATUS
POWER DL STATUS
EH STATUS UL STATUS
D-620610-0-20 Rev D
SC/APC fiber connectors throughout the fiber network, including fiber distribu-
tion panels. This is critical for ensuring system performance.

LED Indicators

The unit's front panel LEDs indicate fault conditions and commanded or fault lockouts.
The LEDs do not indicate warnings or whether the system test has been performed.
Only use the LEDs to provide basic information or as a backup when you are not using
AdminBrowser.
Upon power up, the Expansion Hub goes through a five-second test to check the LED
lamps. During this time, the LEDs blink through the states shown in Table 4-2, letting
you visually verify that the LED lamps and the firmware are functioning properly.
NOTE: Refer to Section 9 for troubleshooting using the LEDs.
Unit Status and DL/UL Status LEDs
The Expansion Hub unit status and DL/UL status LEDs can be in one of the states
shown in Table 4-1. These LEDs can be:
steady green
steady red
off
Expansion Hub Unit Status and DL/UL Status LED States
Table 4-1
LED State Indicates
Green / Green • The Expansion Hub is connected to power and all power supplies are
operating.
Green / Green
• The Expansion Hub is not reporting a fault or lockout condition; but
the system test may need to be performed or a warning condition
could exist (use AdminManager to determine this).
• Optical power received is above minimum (the Main Hub is con-
nected) although the cable optical loss may be greater than recom-
mended maximum.
• Optical power transmitted (uplink laser) is normal and communica-
tions with the Main Hub are normal.
Green / Green • Optical power received is above minimum (the Main Hub is con-
nected) although the cable optical loss may be greater than recom-
Red / Green
mended maximum.
• Optical power transmitted (uplink laser) is normal and communica-
tions with the Main Hub are normal.
• The Expansion Hub is reporting a fault.
Help Hot Line (U.S. only): 1-800-530-9960
Expansion Hub Front Panel
4-5
CONFIDENTIAL