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CopperOptics PairGain PG-FLEX FRC-754 Manual

8 channel rt pots unit
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PG-F
8 C
RT POTS U
LEX
HANNEL
NIT
MODEL FRC-754
Model
List Number
Part Number
CLEI Code
FRC-754
1
150-1354-01
N/A
P
G
T
, I
.
AIR
AIN
ECHNOLOGIES
NC
E
P
S
T
P
NGINEERING
LANT
ERIES
ECHNICAL
RACTICE
S
363-754-100-02
ECTION
Revision History of this practice.
Revision 02—January 12, 1998
A) Update Format

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Summary of Contents for CopperOptics PairGain PG-FLEX FRC-754

  • Page 1 PG-F RT POTS U HANNEL MODEL FRC-754 Model List Number Part Number CLEI Code FRC-754 150-1354-01 ECHNOLOGIES NGINEERING LANT ERIES ECHNICAL RACTICE 363-754-100-02 ECTION Revision History of this practice. Revision 02—January 12, 1998 A) Update Format...

  • Page 2: Table Of Contents

    Section 363-754-100-02 January 12, 1998 Revision 02 TABLE OF CONTENTS A. PRODUCT OVERVIEW ........................1 1. Description and Features....................1 2. Front Panel ........................2 3. Specifications ........................3 B. FUNCTIONAL DESCRIPTION......................4 4. Applications ........................4 5. Operational Capabilities ....................6 C. INSTALLATION AND TEST......................7 6. Unpacking .........................7 7.

  • Page 3: Product Overview

    Revision 02 January 12, 1998 Section 363-754-100-02 A. PRODUCT OVERVIEW 1. Description and Features ™ The PairGain® PG-Flex FRC-754 List 1 Channel Unit provides eight POTS interfaces between a PG-Flex Remote Terminal (RT) and subscribers. The FRC-754 Channel Unit uses A-Law pulse code modulation (PCM) encoding.

  • Page 4: Front Panel

    Section 363-754-100-02 January 12, 1998 Revision 02 2. Front Panel Figure 1 shows the FRC-754 front panel. Table 1 lists the different states and indications for the FRC-754 Channel Unit front panel LEDs. Figure 1. FRC-754 Front Panel Table 1. FRC-754 Front Panel LEDs LED State Indicates Solid green...

  • Page 5: Specifications

    Revision 02 January 12, 1998 Section 363-754-100-02 3. Specifications Electrical Characteristics Analog Impedance ........600 ohms DC Loop Current ........> 20 mA into off-hook dc resistance Ringer Output Drive........15 REN maximum per RT, 5 REN maximum per channel RT DC Supervisory Range ......960 ohms. Maximum cable resistance, minus 430 ohms for handset, is 530 ohms RT Idle State Loop Voltage (On-Hook)..>...

  • Page 6: Functional Description

    Section 363-754-100-02 January 12, 1998 Revision 02 B. FUNCTIONAL DESCRIPTION 4. Applications PG-Flex is a small capacity universal subscriber carrier system that can support up to 32 subscriber channels, including POTS and ISDN services. The system, based on HDSL transmission technology, is remotely powered from the Central Office.
  • Page 7 Revision 02 January 12, 1998 Section 363-754-100-02 HDSL Transmission. PG-Flex utilizes HDSL transmission technology between the COT and RT and provides up to 32 DS0s, plus signaling, over two copper pairs without the need for repeaters, loop conditioning, or pair selection. Adaptive equalization, scrambling, and a four-level 2B1Q line coding scheme increase range and minimize crosstalk.

  • Page 8: Operational Capabilities

    Section 363-754-100-02 January 12, 1998 Revision 02 5. Operational Capabilities The FRC-754 RT Channel Unit provides 8 POTS interfaces between the RT and subscribers, and performs the following functions: 64 kbps A-Law PCM encoding applies ringing voltage generates forward disconnect generates metering tones detects an off-hook or ring-trip condition connects a subscriber loop to a metallic test pair...

  • Page 9: Installation And Test

    Revision 02 January 12, 1998 Section 363-754-100-02 C. INSTALLATION AND TEST 6. Unpacking Upon receipt of the equipment, proceed as follows: Unpack each container and visually inspect it for signs of damage. If the equipment has been damaged in transit, immediately report the extent of damage to the transportation company and to PairGain.
  • Page 10 Section 363-754-100-02 January 12, 1998 Revision 02 Table 3. FRC-754 Channel Unit Troubleshooting Indication Problem Action FAULT LED The FRC-754 processor has Remove and reinsert the Channel Unit. If the FAULT LED does not detected a fault. extinguish, replace the Channel Unit. Troubleshooting based on customer-originated trouble reports faulty RT or COT Lift the subscriber pair at the network interface.

  • Page 11: Technical Support

    Revision 02 January 12, 1998 Section 363-754-100-02 D. TECHNICAL SUPPORT 9. Technical Support PairGain Technical Assistance is available 24-hours-a-day, 7-days-a-week by contacting PairGain Customer Service Engineering group at: Telephone: (800) 638-0031 or (714) 832-9922 Fax: (714) 832-9924 During normal business hours (8:00 AM to 5:00 PM, Pacific Time, Monday - Friday, excluding holidays), technical assistance calls are normally answered directly by a Customer Service Engineer.

  • Page 12: Warranty

    Section 363-754-100-02 January 12, 1998 Revision 02 11. Warranty 11.1 PairGain Technologies warrants this product to be free of defects and to be fully functional for a period of 5 years from the date of original shipment, given proper customer installation and regular maintenance.
  • Page 13 Revision 02 January 12, 1998 Section 363-754-100-02 PG-Flex FRC-754 List 1 PairGain Engineering - Plant Series Page 11...

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