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Related Manuals for PairGain PF-FLEX FLC-704
Summary of Contents for PairGain PF-FLEX FLC-704
- Page 1 PG-F POTS HANNEL ENTRAL FFICE HANNEL Model List Number Part Number CLEI Code FLC-704 150-1304-21 FLC 704 CHAN UNIT LIST FAULT PairGain ECHNOLOGIES NGINEERING ERVICES ECHNICAL RACTICE 363-704-121-01 ECTION...
- Page 2 PairGain and PG-Flex are trademarks of PairGain Technologies, Inc. Information contained in this document is company private to PairGain Technologies, Inc., and shall not be modified, used, copied, reproduced or disclosed in whole or in part without the written consent of PairGain.
- Page 3 Check the packing list to ensure complete and accurate shipment of each listed item. If the shipment is short or irregular, contact PairGain as described in the Warranty. If you must store the equipment for a prolonged period, store the equipment in its original container.
- Page 4 Inspecting Your Shipment 363-704-121-01, Revision 01 July 30, 1999 FLC-704 List 2A...
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Page 5: Table Of Contents
363-704-121-01, Revision 01 Table of Contents ABLE OF ONTENTS Overview ____________________________________________________________________________ 1 Description and Features........................1 Front Panel ............................2 Specifications .............................3 Functional Description_________________________________________________________________ 4 Subscriber Drop Testing ........................4 Installation and Test___________________________________________________________________ 6 Unpacking the FLC-704........................6 Turn-Up and Testing..........................6 Troubleshooting ..........................6 Abbreviations ________________________________________________________________________ 8 Product Support ______________________________________________________________________ 9 Technical Support ..........................9 Warranty.............................9... - Page 6 Table of Contents 363-704-121-01, Revision 01 July 30, 1999 FLC-704 List 2A...
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Page 7: Overview
363-704-121-01, Revision 01 Overview VERVIEW ® ® This practice describes, and defines the features and specifications for the PairGain PG-Flex FLC-704 List 2A Channel Unit. ESCRIPTION AND EATURES The FLC-704 provides eight Plain Old Telephone Service (POTS) interfaces between the Central Office and the PG-Flex, and uses A-Law pulse code modulation (PCM) encoding. -
Page 8: Front Panel
Figure 1 shows the FLC-704 front panel. Table 1 lists the different states and indications for the FLC-704 front panel LEDs. FLC 704 CHAN UNIT LIST Status LEDs FAULT Fault LED PairGain Figure 1. FLC-704 Front Panel Table 1. FLC-704 Front Panel LEDs LED State Indicates Solid green Channel is off hook. ACTIVE Fast flashing green Channel is in test access mode. -
Page 9: Specifications
363-704-121-01, Revision 01 Overview PECIFICATIONS Electrical Characteristics Analog Impedance .........600 Ω Loop Resistance..........100 Ω (CO switch to COT) End-to-End Loss ..........-2.5 dB ± 1.0 dB DC Off-Hook Current........30 mA Channel Signature Tip-Ring ..........475 kΩ, 1% Tip-Ground ..........332 kΩ, 1% Ring-Ground...........(open) COT 20 Hz Input Impedance......0.5 REN Environmental Operating Elevation ........-200 ft. -
Page 10: Functional Description
Functional Description 363-704-121-01, Revision 01 FUNCTIONAL DESCRIPTION The FLC-704 provides eight POTS interfaces to the CO switch. The unit performs the interface function between the analog POTS circuit and the internal digital PCM bus. In addition, each channel unit: • converts analog signals to 64 kbps A-Law PCM digital format •... - Page 11 363-704-121-01, Revision 01 Functional Description Test in Test out Line 1 (Tip & Ring) Subscriber Line Test & Line Interface CODEC Access Circuits (SLICs) Line 8 (Tip & Ring) Control Front panel indicators Logic Display Line unit interface Controller Figure 2. FLC-704 Block Diagram FLC-704 List 2A July 30, 1999...
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Page 12: Installation And Test
• 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 PairGain. Order replacement equipment if necessary. •... - Page 13 • faulty RT Channel Unit check the loop for excessive length. If ring trip does not occur, replace the RT • loop length too long Channel Unit. If ring trip still does not occur, contact PairGain technical assistance per “Warranty” on page 3 Verify the resistance of the copper loop between the RT Enclosure and the network interface is less than 530 Ω.
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Page 14: Abbreviations
Abbreviations 363-704-121-01, Revision 01 ABBREVIATIONS Central Office Central Office Terminal DTMF Dual Tone Multi Frequency HDSL High-bit-rate Digital Subscriber Line Pulse Code Modulation POTS Plain Old Telephone Service Return Material Authorization Remote Terminal July 30, 1999 FLC-704 List 2A... -
Page 15: Product Support
Do not try to repair the unit. If it fails, replace it with another unit and return the faulty unit to PairGain for repair. Any modifications of the unit by anyone other than an authorized PairGain representative voids the warranty. -
Page 16: Fcc Compliance
The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by PairGain Technologies, Inc. may void the user's authority to operate the equipment. All wiring external to the product(s) should follow the provisions of the current edition of the National Electrical... - Page 17 Corporate Office 14402 Franklin Avenue Tustin, CA 92780 Tel: (714) 832-9922 Fax: (714) 832-9924 For Technical Assistance: (800) 638-0031...