User's Manual

POWER
EH STATUS
DL STATUS
UL STATUS
Expansion Hub Front Panel
4-6 InterReach Fusion Installation, Operation, and Reference Manual
CONFIDENTIAL D-620610-0-20 Rev G
RJ-45 Port LEDs
The Expansion Hub has a port LED, labeled PORT, for each of the eight 75 Ohm,
Type F ports. The port LEDs can be in one of the states shown in Table 4-2. These
LEDs can be:
off
Green / Green
Green / Green
(60-ppm)
• 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.
• The Expansion Hub is reporting a commanded lockout.
POWER
EH STATUS
DL STATUS
UL STATUS
Green / Red
Red / Green
• A fault condition was detected, optical power received is below mini-
mum.
(the Main Hub is not connected, is not powered, or the Main Hub’s
downlink laser has failed, or the downlink fiber is disconnected or
damaged.)
POWER
EH STATUS
DL STATUS
UL STATUS
Green / Green
Red / Red
• The Expansion Hub is reporting a fault condition.
• Optical power received is above minimum (Main Hub is connected)
although the cable optical loss may be greater than recommended
maximum.
• Optical power transmitted is below minimum (Expansion Hub uplink
laser has failed; unable to communicate with Main Hub).
UL STATUS
LED state must be checked within the first 90 seconds after power on.
If initially green, then red after 90 seconds, it means that there is no
communication with the Main Hub. If red on power up, replace the
Expansion Hub.
POWER
EH STATUS
DL STATUS
UL STATUS
Green / Red
Red / Red
• Optical power received is below minimum (the Main Hub is not con-
nected, is not powered, or the Main Hub’s downlink laser has failed,
or the downlink fiber is disconnected or damaged.)
• Optical power transmitted is below minimum (the Expansion Hub
uplink laser has failed; is unable to communicate with the Main Hub).
UL STATUS LED state must be checked within the first 90 seconds
after power on. If initially green, then red after 90 seconds, it means
that there is no communication with the Main Hub. If red on power
up, the uplink laser has failed, replace the Expansion Hub.
POWER
EH STATUS
DL STATUS
UL STATUS
Green /Off
Green / Off
• Expansion Hub is in factory test mode, return it to the factory.
POWER
EH STATUS
DL STATUS
UL STATUS
Red/ Don’t
Care
Red/ Don’t
Care
• One or more power supplies are out of specification. The hub needs to
be replaced.
POWER
EH STATUS
DL STATUS
UL STATUS
Green/ Red
Off/ Off
• Expansion Hub failure. The Hub must be replaced.
Table 4-1 Expansion Hub Unit Status and DL/UL Status LED States
LED State Indicates