ADC FRC-754 4B Instructions for use

PG-FLEX
TECHNICAL PRACTICE
SECTION SCP-FRC754-042-03H
Model List CLEI Code
FRC-754 4B N/A
8 CHANNEL
LOOP START/GROUND START POTS
REMOTE TERMINAL CHANNEL UNIT
1
A
C
T
I
V
E
2
3
4
5
6
7
8
FAU LT
PG-FLEX
FRC 754
LIST 1

SCP-FRC754-042-03H
January 6, 2003 FRC-754 List 4B
Revision History of This Practice
©Copyright 2003 ADC DSL Systems, Inc. All Rights Reserved.
ADC is a registered trademark of ADC Technologies, Inc. PG-Flex is a registered trademark of ADC DSL Systems, Inc. No right,
license, or interest to such trademarks is granted hereunder, and you agree that you shall assert no such right, license, or interest
with respect to such trademarks. Other product names mentioned in this document are used for identification purposes only and
may be trademarks or registered trademarks of their respective companies.
Information contained in this document is company private to ADC DSL Systems, Inc., and shall not be modified, used, copied,
reproduced or disclosed in whole or in part without the written consent of ADC.
Contents herein are current as of the date of publication. ADC reserves the right to change specifications at any time without notice.
Information furnished by ADC is believed to be accurate and reliable. In no event shall ADC be liable for any damages resulting
from the loss of data, loss of use, or loss of profits and ADC further disclaims any and all liability for indirect, incidental, special,
consequential or other similar damages. This disclaimer of liability applies to all products, publications and services during and
after the warranty period.
Revision Release Date Revisions Made
01 October 22, 1999 Initial Release
02 January 10, 2002 Release to rebrand document to comply with ADC standards
03 January 6, 2003 Updated Product Support Information

SCP-FRC754-042-03H Using This Practice
FRC-754 List 4B January 6, 2003
USING THIS PRACTICE
Three types of messages, identified by icons, appear in the text.
INSPECTING YOUR SHIPMENT
Upon receipt of the equipment:
•Unpack each container and visually inspect the contents for signs of damage. If the equipment has been
damaged in transit, immediately report the extent of damage to the transportation company and to ADC.
Order replacement equipment, if necessary.
•Check the packing list to ensure complete and accurate shipment of each listed item. If the shipment is short
or irregular, contact ADC as described in “Returns” on page 10. If you must store the equipment for a
prolonged period, store the equipment in its original container.
Notes indicate information about special circumstances.
Cautions indicate the possibility of equipment damage or the possibility of personal injury.
Electrostatic Discharge (ESD) susceptibility symbols indicate that a device or assembly is
susceptible to damage from electrostatic discharge.You must wear an antistatic wrist strap
connected to the appropriate ground connection prior to performing installation procedures.
You must also observe normal ESD precautions when handling electronic equipment. Do not
hold electronic plugs by their edges. Do not touch components or circuitry.

Inspecting Your Shipment SCP-FRC754-042-03H
January 6, 2003 FRC-754 List 4B

SCP-FRC754-042-03H
FRC-754 List 4B January 6, 2003 i
TABLE OF CONTENTS
Overview ____________________________________________________________________________ 1
Description .........................................................................................................................................1
Front Panel .........................................................................................................................................2
Specifications .....................................................................................................................................3
Operational Capabilities.....................................................................................................................3
Circuit Operation................................................................................................................................4
Loop Start Operation ...........................................................................................................4
On-hook (Idle) Condition......................................................................................4
Subscriber Initiated Outgoing Call........................................................................4
Subscriber Receives Incoming Call ......................................................................5
Busy Condition......................................................................................................5
Ground Start Operation .......................................................................................................5
Idle Condition........................................................................................................5
Subscriber Initiates Outgoing Call ........................................................................6
Subscriber Receives Incoming Call ......................................................................6
Busy Condition......................................................................................................7
CLASS Features ..................................................................................................................7
Forward Disconnect.............................................................................................................7
Installation and Test___________________________________________________________________ 8
Installing.............................................................................................................................................8
Provisioning .......................................................................................................................................8
Verify Installation ..............................................................................................................................8
Troubleshooting ______________________________________________________________________ 9
Product Support _____________________________________________________________________ 10
Technical Support ............................................................................................................................10
Limited Warranty.............................................................................................................................10
Returns .............................................................................................................................................10
FCC Class A Compliance ................................................................................................................12
Modifications ...................................................................................................................................12
Acronyms___________________________________________________________________________ 13

SCP-FRC754-042-03H
ii January 6, 2003 FRC-754 List 4B

SCP-FRC754-042-03H
FRC-754 List 4B January 6, 2003 iii
LIST OF FIGURES
1. FRC-754 List 1A Front Panel..........................................................................................................................2

SCP-FRC754-042-03H
iv January 6, 2003 FRC-754 List 4B

SCP-FRC754-042-03H
FRC-754 List 4B January 6, 2003 v
LIST OF TABLES
1. FRC-754 Front Panel LEDs and Labels..........................................................................................................2
2. Circuit Interactions for an Idle Condition (Loop Start)....................................................................................4
3. Circuit Interactions When a Subscriber Initiates an Outgoing Call (Loop Start).............................................4
4. Circuit Interactions When a Subscriber Receives an Incoming Call (Loop Start)..........................................5
5. Circuit Interactions for a Busy Condition (Loop Start)...................................................................................5
6. Circuit Interactions for an Idle Condition (Ground Start) ...............................................................................5
7. Circuit Conditions When a Subscriber Initiates an Outgoing Call (Ground Start) .........................................6
8. Circuit Conditions When a Subscriber Receives an Incoming Call (Ground Start) .......................................7
9. Circuit Conditions for a Busy Condition (Ground Start) ................................................................................7
10. FRC-754 CU Troubleshooting Procedures .....................................................................................................9

SCP-FRC754-042-03H
vi January 6, 2003 FRC-754 List 4B