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8. TROUBLESHOOTING PROCEDURES
Use Table 6 to troubleshoot the FT1 DP.
9. PRODUCT SPECIFICATIONS
Specifications for the FT1 DP are provided in
Table 7.
10. WARRANTY AND CUSTOMER SERVICE
ADTRAN will replace or repair this product within
ten (10) years from the date of shipment if it does
not meet its published specifications or fails while in
service. Refer to ADTRAN U.S. and Canada
Carrier Networks Equipment Warranty, document
60000087-10.
Contact Customer and Product Service (CAPS)
prior to returning equipment to ADTRAN.
For service, CAPS requests, or further information,
contact one of the following numbers:
Condition
All front panel indicators are OFF.
Power OK but does not achieve Loop Sync (DSL LED is Red).
61180405L1-5A
ADTRAN Sales
Pricing/Availability
(800) 827-0807
ADTRAN Technical Support
Pre-sales Applications/Post-sales Technical Assistance
(800) 726-8663
Standard hours: Monday-Friday, 7 a.m. - 7 p.m. CST
Emergency hours: 7 days/week, 24 hours/day
ADTRAN Repair/CAPS
Return for Repair/Upgrade
(256) 963-8722
Repair and Return Address
ADTRAN, Inc.
CAPS Department
901 Explorer Boulevard
Huntsville, Alabama 35806-2807
Table 6. Troubleshooting Guide
Solution
1.
2.
3.
1.
2.
3.
4.
Section 61180405L1-5, Issue 1
Verify that the FT1 DP is properly seated in the shelf.
Make sure power supply feeding the FT1 DP is good.
If 1 and 2 pass, replace the FT1 DP.
Verify that the loop conforms with CSA guidelines
(not too long, etc.).
Verify that the Loop Loss at 200 kHz is not greater
than 36 dB.
Verify that noise on the DSL Loop is within acceptable
limits.
If steps 1 - 3 pass and Loop Sync is still not available,
replace the unit with an FT1 DP unit known to be in
good working condition.
13
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