User`s guide

Troubleshooting
LEDs
MultiVoice Gateway for the MAX— User’s Guide Preliminary November 23, 1998 A-3
Table A-2 lists and describes each LED on the Redundant MultiVoice Gateway.
Figure A-3 shows the location shows the location of LEDs on the MAX 2000 front panel.
Figure A-3. Location of the MAX 2000 LEDs
Refer to the following table to understand each LED.
Table A-2. Redundant MultiVoice Gateway LEDs
LED Description
Power On when the Redundant MultiVoice Gateway power supply is on.
A Fail On only if one or more of the voltages from side A of the power supply has
failed (+12, +5, +3.3, -5, -12).
B Fail On if one or more of the voltages from side B side of the power supply has
failed (+12, +5, +3.3, -5, -12).
Fan On when the fans are functioning properly (if +12 VDC from either A or B
is good). This LED goes off in the event of a fan failure.
Table A-3. MAX 2000 LEDs
LED Description
pwr This LED is on when the MAX power is on.
act This LED is ON if there is activity on the Ethernet interface.
ya (left-most—for Line 1) This LED is ON when the MAX is receiving a Yellow Alarm
pattern, indicating that the other of the of the line cannot
recognize signals transmitted from the MAX.