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Chapter
BNM-155 LED Indicators
The BNM-155 LED indicators are described in Table 2-3. All LEDs are located on the faceplate of the
front card.
Table 2-3
Type of LED
ACT
STBY
FAIL
PORT
MIN
MAJ
DC-A
DC-B
ACO
HIST
Push Buttons
The BNM-155 has two push-buttons located on the faceplate of the front card.
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•
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
BNM-155 LED Indicators
Color
Meaning
Green
On indicates the card set is in active mode.
Yellow
On indicates the card set is in standby mode.
Red
On indicates the BNM-155 card set has failed or the line module is
missing.
Green
Green indicates the port is active.
Yellow
Yellow indicates a remote alarm on the port.
Red
Red
On indicates a minor alarm in the node.
Red
On indicates a major alarm in the node.
Green
Green
Yellow
On indicates the ACO (audible cut-off) button has been pressed during
a major or minor alarm. This LED is extinguished when the alarm is
cleared.
Green
ON indicates a major or minor alarm has occurred since the last time
the HIST button was pressed.
ACO
The ACO button is a momentary switch and is pressed during a major or minor alarm to deactivate
the audible alarm relays and to turn the ACO LED on. Any new alarm causes the relays to be
reactivated.
HIST
The HIST button is a momentary switch and is pressed to extinguish the history LED if there is no
active alarm at the time.
•
Red indicates a local alarm on the port.
•
Off indicates the port has not been activated (brought up).
•
On indicates "A" power is OK.
•
Off indicates "A" power module is missing or present but at
0 volts.
•
On indicates "B" power is OK.
•
Off indicates "B" power module is missing or present but at
0 volts.
Cisco MGX 8220 Installation and Configuration
Core Module Overview
2-21
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Troubleshooting
