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6. Upon completion of all testing, press the TEST
pushbutton (SW4) and remove the DS0 tester from
the Bantam jack.
Local performance monitoring provides a non-intrusive
method for local craftspersons to observe an
accumulative Bit Error Rate (BER). Local performance
information is available simultaneously for both the loop
and carrier side. The BER is calculated every minute
and will display the average BER for the previous six
minutes using the LP and CR LEDs. See Table B for
associated LED indications. The following describes the
test configuration for local performance monitoring.
DO NOT use a DS0 Logic tester.
1. Select AD1 on the ten position rotary Address Select
Knob (SW3).
2. Press the TEST pushbutton (SW4).
3. Observe the LP and CR LEDs for BER information.
LEDs will normally be off with no errors present. LEDs
will flash yellow when a BER > 10
illuminate yellow when a BER > 10
5. Upon completion of monitoring, press the TEST
pushbutton (SW4).
6
5. WARRANTY AND CUSTOMER SERVICE
ADTRAN will replace or repair this product within ten (10)
years from the date of shipment if this 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 U.S. and Canada Carrier Networks
Equipment Warranty, document 60000087-10.
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 Technical Support (Post-Sales)
(Have unit serial number available)
-6
is detected and
Sales
-5
is detected.
RMA (Repair Service)
Section 61410020L2-5, Issue 3
Standard Support hours:
Emergency Support:
7 days/week, 24 hours/day
Repair and Return Address:
ADTRAN, Inc.
Customer Service Department
901 Explorer Boulevard
Huntsville, Alabama 35806-2807
(800) 726-8663
Monday-Friday
7am-7 pm CST
(800) 827-0807
(205) 963-8722
61410020L2-5C
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