ADTRAN D4-U-RPM - Manual (Page 3)

SECTION 61100022L1-5
PAGE 3
®
J1 J2 J3
FIGURE 4. U-Repeater Powering Module Option Locations
- 48 V RET
GND
T1
T R
R1
-48 V
operation of the U-RPM.
4.0 MAINTENANCE
4.01 The U-RPM requires no routine maintenance to
operate. ADTRAN recommends that units not
be repaired in the field. Repair services may be obtained
by returning the defective unit to ADTRAN.
5.0 WARRANTY AND CUSTOMER SERVICE
5.01 ADTRAN will replace or repair this product within
five (5) years from the date of shipment if it does
not meet its published specifications or fails while in
service.
For detailed warranty and repair and return
information, refer to our ADTRAN Equipment Warranty
and Repair and Return Policy and Procedure.
5.02 A Return Material Authorization (RMA) is required
prior to returning equipment to ADTRAN.
5.03 For Sales or General Information, contact:
ADTRAN Customer Service - Sales
(205) 722-8779
For Technical Support, contact:
ADTRAN Customer Service - Technical Support
(800) 726-8663
For RMA requests, contact:
ADTRAN Customer Service - Repair Department
(205) 722-8722
Repair and Return Address:
ADTRAN, INC.
Customer Service - Repair Department
4955 Corporate Drive
Huntsville, AL 35805
FIGURE 3. Connector Pin Assignments
4955 Corporate Drive • Huntsville, Alabama 35805 • (205) 837-7800 • FAX (205) 722-8699