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12 Section 61245201L1-5, Issue 3 61245201L1-5C
7. TROUBLESHOOTING PROCEDURES
Table E is a troubleshooting guide for the FNID.
8. MAINTENANCE
The ADTRAN FNID requires no routine maintenance.
In case of equipment malfunction, use the faceplate
Bantam jack connectors to help locate the source of
the problem.
ADTRAN does not recommend that repairs be
performed in the field. Repair services may be
obtained by returning the defective unit to the
ADTRAN Customer Service RMA Department.
9. PRODUCT SPECIFICATIONS
Specifications for the FNID are provided in Table F.
10. WARRANTY AND CUSTOMER SERVICE
ADTRAN will replace or repair this product within
five years from the date of shipment, if the product
does not meet its published specifications or if it fails
while in service. For detailed warranty, repair, and
return information, refer to the ADTRAN Telco
Network Equipment Warranty and Return Policy and
Procedure, document 6000008-10A.
Return Material Authorization (RMA) is required
prior to returning equipment to ADTRAN. ADTRAN
does not recommend that repairs be performed in the
field.
For service, RMA requests, or further information,
contact one of the following numbers:
ADTRAN Customer Service:
ADTRAN Telco Technical Support. (800) 726-8663
Standard support hours ..................... Monday-Friday
7 a.m. - 7 p.m. CST
Emergency support ......... 7 days/week, 24 hours/day
Sales.................................................. (800) 827-0807
RMA (repair service) ....................... (256) 963-8722
Repair and Return Address:
ADTRAN, Inc.
Customer and Product Support (CAPS) Department
901 Explorer Boulevard
Huntsville, Alabama 35806-2807
Table E. Troubleshooting Guide
Solution
1. Verify that the FNID is properly seated in the housing.
2. Make sure power supply feed the FNID is in good working condition.
3. If Steps 1 and 2 pass, replace the FNID.
1. Verify that the loop conforms with CSA guidelines (not too long, etc.).
2. Verify that the loop loss at 200 kHz is not greater than 36 dB.
3. Verify that noise on the DSL loop is within acceptable limits.
4. If Steps 1 through 4 pass and loop sync is still not available, replace the FNID.
Condition
All front panel indicators are off.
Power is OK, but does not achieve
loop sync (DSL LED is off.)