ADTRAN FNID Manual de usuario descargar pdf (Pagina 9)

9Section 61150043L1-5, Issue C61150043L1-5C

D. Release the case support by turning the fastener

counter-clockwise and tilt the circuit pack

support structure to expose the surge arrestors

on the bottom. List 1 and List 2 Repeater

Housings contain 16 surge arrestors.

E. Grasp one surge arrestor and remove it using

the Insertion/Extraction Tool; see Figure 9.

F. Place a replacement surge arrestor in the

same position.

G. Replace the remaining surge arrestors in the

same manner.

H. Close the circuit pack support structure;

secure by turning the fastener clockwise.

I. Reseat the tagged powering modules at the

central office.

J. Perform circuit tests to verify proper circuit

operation.

K. Remove the tags on the powering modules.

L. Replace the O-ring if it has not been replaced

within the last three months.

M. Reattach the dome and locking clamp then

repressurize the Repeater Housing. See the

subsection entitled “Installation,”

instructions F through I.

4. WARRANTY AND CUSTOMER SERVICE

ADTRAN will replace or repair this product within

five years from the date of shipment if it does not

meet its published specifications or fails while in

service (see ADTRAN Equipment Warranty,

Repair, and Return Policy and Procedure).

Return Material Authorization (RMA) is required

prior to returning equipment to ADTRAN.

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

Customer and Product Support ........ (256) 963-8722

Repair and Return Address:

ADTRAN, Inc.

Customer and Product Support (CAPS) Department

901 Explorer Boulevard

Huntsville, Alabama 35806-2807

Replacement of Surge Arrestors

NOTE

Electrical shock can occur if modification or

surge arrestor replacement is attempted before

removing the powering modules.

If lightning is the suspected cause of circuit pack

failure, ADTRAN recommends replacing all surge

arrestors within the Repeater Housing. Figure 9

shows the surge arrestors on the bottom of the

circuit pack support structure.

To Replace Surge Arrestors:

A. Unseat and tag the appropriate powering

modules (located in the central office) before

replacing surge arrestors inside the Repeater

Housing. This removes power from the wires

and pins. The tag should read, “Do not insert.

Field work in process.”

B. Release pressure in the Repeater Housing by

depressing the needle in the fill valve; see

the subsection entitled “Installation,”

instruction C, and Figure 3.

C. After cleaning debris from the dome and clamp,

remove the clamp and dome; see the subsection

entitled “Installation,” instruction D.

Figure 9. Replacing Surge Arrestors

1 2 3 4 5 6 7 8 9

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