ADTRAN Network Card D4 U RPM User Manual

C A U T I O N  
SUBJECT TO ELECTROSTATIC DAMAGE  
OR DECREASE IN RELIABILITY.  
Section 61100022L1-5  
Issue 3, April 1992  
CLEI Code # DDRPG701_ _  
HANDLING PRECAUTIONS REQUIRED.  
PRACTICES  
MODEL U-RPM  
D4-U-RPM  
U-REPEATER POWERING MODULE  
INSTALLATION/MAINTENANCE  
Contents  
Paragraph  
Page  
1. General ............................................................ 1  
Figure 1. ADTRAN D4 U-RPM ......................................... 1  
2. Installation....................................................... 2  
Figure 2. U-RPM Application........................................... 2  
Table A. U-RPM Option Selections................................. 2  
3. Connections .................................................... 2  
Figure 3. Connector Pin Assignments ........................... 3  
Figure 4. U-RPM Option Locations................................. 3  
4. Maintenance .................................................... 3  
5. Warranty And Customer Service .................. 3  
1.0  
GENERAL  
FIGURE 1. ADTRAN D4 U-RPM  
1.01  
This section provides installation and  
maintenance  
information for the ADTRAN U-Repeater  
1.03  
The U-RPM is a channel plug-in used in the  
ADTRAN GPC-1 or AD4-24 Shelves or the  
Powering Module (U-RPM), Part Number: 1100022L1.  
Figure 1shows the front of the unit. Figure 2represents  
a generic module application. Figure 3 shows the  
connector pin assignments for the U-RPM. The unit's  
part number and basic features are:  
WECO® D4 channel bank, to provide sealing current  
power for the ADTRAN ISDN mid-point loop repeater.  
1.04  
The U-RPM provides three functions for the  
ADTRAN ISDN mid-point loop repeater. These  
Part  
functions are:  
Equipment  
Number  
Features  
1.  
TheD4-U-RPM receives-48VDCpower  
fromthefacilitypowersourceandsends  
constant 85 mA of sealing current down  
the loop to power the U-Repeater.  
U-Repeater 1100022L1 Repeater Powering for  
Powering  
Module  
ADTRAN ISDN mid-point loop  
repeater; Loop resistance fault  
indicator; Class A2 or Class A3  
operation.  
(U-RPM)  
2.  
3.  
A passive customer data flow is allowed  
through the D4-U-RPM.  
1.02  
This practice has been reissued to reflect the  
addition of a field selectable powering option in  
The D4-U-RPM monitors the line for  
excessiveresistanceoropenconditions.  
Paragraph 2.04 and Figure 4 and the latest CLEI  
designation. Issue3addsanewSalestelephonenumber.  
®
WECO is a registered trademark of AT&T Technologies  
61100.022L1-5C  
PAGE 1  
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SECTION 61100022L1-5  
operation of the U-RPM.  
GND  
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  
ADTRANwillreplaceorrepairthisproductwithin  
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  
AReturnMaterialAuthorization(RMA)isrequired  
prior to returning equipment to ADTRAN.  
- 48 V RET  
-48 V  
5.03  
For Sales or General Information, contact:  
ADTRAN Customer Service - Sales  
(205) 722-8779  
For Technical Support, contact:  
ADTRAN Customer Service - Technical Support  
T1  
R1  
(800) 726-8663  
For RMA requests, contact:  
ADTRAN Customer Service - Repair Department  
(205) 722-8722  
R
T
Repair and Return Address:  
ADTRAN, INC.  
Customer Service - Repair Department  
4955 Corporate Drive  
FIGURE 3. Connector Pin Assignments  
Huntsville, AL 35805  
FIGURE 4. U-Repeater Powering Module Option Locations  
®
4955 Corporate Drive • Huntsville, Alabama 35805 • (205) 837-7800 • FAX (205) 722-8699  
PAGE 3  
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