Leds In Fault State; Sbu Ont Trouble Isolation; Ups Power Leds; Table 10. Power Leds - ADTRAN Total Access 372 Installation And Maintenance Manual

Total Access 372 Small Business Unit ONT Installation and Maintenance Guide

LEDs in Fault State

Descriptions of each LED are listed in Table
conditions. A flow chart for troubleshooting the problem for each fault condition is provided
in Figure 18 on page 37.

SBU ONT Trouble Isolation

This section describes how to isolate problems based on faults reported through LEDs:
•
• "NET Status LED Off" on page 37
• "POTS Troubleshooting" on page 38

UPS Power LEDs

A UPS
problem exists.
Label
AC
Output
Battery
36
"UPS Power LEDs"
Power
LED that is off indicates there is no power. Refer to Table 10 to determine if a
LED Status
Green
Yellow
Off
Green
Off
Red
9 on page 33 with possible causes for fault LED

Table 10. Power LEDs

Description
UPS is on AC
UPS is on Battery
No power
UPS is providing DC to SBU ONT
Battery is OK
Battery is not connected or is bad
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