PairGain 150-1304-21 Скачать руководство пользователя страница 14

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Abbreviations

363-704-121-01, Revision 01

July 30, 1999

FLC-704 List 2A

ABBREVIATIONS

Central Office

COT

Central Office Terminal

DTMF

Dual Tone Multi Frequency

HDSL

High-bit-rate Digital Subscriber Line

PCM

Pulse Code Modulation

POTS

Plain Old Telephone Service

RMA

Return Material Authorization

Remote Terminal

Содержание 150-1304-21

Страница 1: ...E CHANNEL UNIT PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES TECHNICAL PRACTICE SECTION 363 704 121 01 Model List Number Part Number CLEI Code FLC 704 2A 150 1304 21 PairGain FLC 704 CHAN UNIT LIST F...

Страница 2: ...in this document is company private toPairGain Technologies Inc and shall not be modified used copied reproduced or disclosed in whole or in part without the written consent of PairGain Other product...

Страница 3: ...ing 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 prolonge...

Страница 4: ...Inspecting Your Shipment 363 704 121 01 Revision 01 iv July 30 1999 FLC 704 List 2A...

Страница 5: ...__________________________________________________ 4 Subscriber Drop Testing 4 Installation and Test___________________________________________________________________ 6 Unpacking the FLC 704 6 Turn U...

Страница 6: ...Table of Contents 363 704 121 01 Revision 01 vi July 30 1999 FLC 704 List 2A...

Страница 7: ...ing The FLC 704 Channel Unit includes green status LEDs for each line indicating idle ringing and off hook conditions as well as a red LED indicating a fault condition The channel unit provides metall...

Страница 8: ...Panel Table 1 FLC 704 Front Panel LEDs LED LED State Indicates Solid green Channel is off hook ACTIVE Fast flashing green Channel is in test access mode 1 through 8 Slow flashing green Channel is ring...

Страница 9: ...1 0 dB DC Off Hook Current 30 mA Channel Signature Tip Ring 475 k 1 Tip Ground 332 k 1 Ring Ground open COT 20 Hz Input Impedance 0 5 REN Environmental Operating Elevation 200 ft to 13 000 ft 60 m to...

Страница 10: ...made through the maintenance terminal or by the CO switch applying the appropriate voltages on the subscriber line as described in the Subscriber Drop Testing section SUBSCRIBER DROP TESTING For subs...

Страница 11: ...4 List 2A July 30 1999 5 Figure 2 FLC 704 Block Diagram Test Line Access Test in Test out Line 1 Tip Ring Line 8 Tip Ring Subscriber Line Interface Circuits SLICs CODEC Line unit interface Front panel...

Страница 12: ...store the equipment for a prolonged period store the equipment in its original container TURN UP AND TESTING Install COT Channel Units 1 Insert each FLC 704 into the COT shelf All LEDs on the Channel...

Страница 13: ...annel Unit and Line Unit Test for ringing at the COT 4 Test for ringing into the COT from the CO switch If no ringing is present refer the trouble to the CO switch If ringing is present replace the CO...

Страница 14: ...704 List 2A ABBREVIATIONS CO Central Office COT Central Office Terminal DTMF Dual Tone Multi Frequency HDSL High bit rate Digital Subscriber Line PCM Pulse Code Modulation POTS Plain Old Telephone Se...

Страница 15: ...and regular maintenance PairGain will repair or replace any unit without cost during this period if the unit is found to be defective for any reason other than abuse or improper use or installation Do...

Страница 16: ...s Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Refer to the installa...

Страница 17: ...Corporate Office 14402 Franklin Avenue Tustin CA 92780 Tel 714 832 9922 Fax 714 832 9924 For Technical Assistance 800 638 0031...

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