Maintenance - ADTRAN Total Access 300 Series Installation And Maintenance Manual

Total Access 300 Series Single Family Unit ONT Installation and Maintenance Guide
Signal
REPLACE BATTERY
BATTERY MISSING
LOW BATTERY

Maintenance

The ONT does not require routine hardware maintenance for normal operation. ADTRAN
does not recommend that repairs be attempted in the field. Repair services may be obtained
by returning the defective unit to ADTRAN. Refer to the warranty for further information.
Field support for software is provided through upgrade facilities.
6-10
Table 6-6. UPS Communication Signal Descriptions (Continued)
Description
Low when battery is charged
Open when battery fails self-test
Low when battery is present
Open when battery is missing
Low when battery is near full charge capacity
Open when operating from a battery with less than 20% capacity
612877GONT-5C