background image

Section 363-704-102-02

January 12, 1998

Revision 02

Page 10

PairGain Engineering - Plant Series

PG-Flex FLC-704 List 2

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. 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.

11.2

This module should not be field repaired. 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 will void the warranty.

11.3

If a unit needs repair, call PairGain for a Return Material Authorization (RMA) number and return
the defective unit, freight prepaid, along with a brief description of the problem, to:

PairGain Repair Center
14352 Franklin Avenue
Tustin, CA 92780-7013

FAX:  (714) 730-2961
Phone: (714) 730-2800 or (800) 370-7670

11.4

PairGain will continue to repair faulty modules beyond the warranty program at a nominal charge.
Contact your PairGain sales representative for details and pricing.

F.  ABBREVIATIONS

12.  Abbreviations

2B1Q

2 binary bits encoded in one quaternary symbol

CLASS

Custom Local Area Signaling Services

CO

Central Office

COT

Central Office Terminal

DS0

Digital Signal Level Zero (64 kb/s)

DTMF

Dual Tone Multi Frequency

HDSL

High-bit-rate Digital Subscriber Line

MLT

Mechanized Loop Testing

PBX

Private Branch Exchange

PCM

Pulse Code Modulation

PGTC

Pair Gain Test Controller

POTS

Plain Old Telephone Service

RMA

Return Material Authorization

RT

Remote Terminal

Содержание PG-Flex 8 FLC-704

Страница 1: ...704 Model List Number Part Number CLEI Code FLC 704 2 150 1304 02 N A PAIRGAIN TECHNOLOGIES INC ENGINEERING PLANT SERIES TECHNICAL PRACTICE SECTION 363 704 102 02 Revision History of this practice Re...

Страница 2: ...S TECHNICAL PRACTICE Two types of messages identified by icons appear in the text A note informs you of special circumstances Cautions indicate the possibility of damage to equipment or the possibilit...

Страница 3: ...C 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 metallic test ac...

Страница 4: ...dications for the FLC 704 Channel Unit front panel LEDs Figure 1 FLC 704 Front Panel Table 1 FLC 704 Front Panel LEDs LED LED State Indicates Solid green Channel is off hook ACTIVE Fast flashing green...

Страница 5: ...OT End to End Loss 2 5 dB 1 0 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 f...

Страница 6: ...Group 3 facsimile or high speed modem operation on all channels 4 2 System Flex Configuration Figure 2 shows a typical PG Flex system that consists of COT Two complete systems may be installed in a 19...

Страница 7: ...the HDSL lines do not require any special conditioning and may include unterminated bridge taps but cannot include load coils Table 2 PG Flex Distances Loop Length Wire Gauge 16 32 Channel System Res...

Страница 8: ...rd disconnect detects a subscriber test access signal detects metering tones provides loop closure 5 2 A block diagram of the FLC 704 Channel Unit is shown in Figure 3 One 8 Channel COT Channel Unit s...

Страница 9: ...re the equipment for a prolonged period store the equipment in its original container 7 Turn Up and Testing 7 1 Install COT Channel Units 1 Insert each FLC 704 Channel Unit into the COT shelf All LEDs...

Страница 10: ...resent at the RT re insert the original Channel 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 s...

Страница 11: ...uestions This system is available 24 hours a day by calling 714 730 3299 Transmission speeds up to 28 8 kbps are supported with a character format of 8 N 1 E CERTIFICATION AND WARRANTY 10 Certificatio...

Страница 12: ...ranty 11 3 If a unit needs repair call PairGain for a Return Material Authorization RMA number and return the defective unit freight prepaid along with a brief description of the problem to PairGain R...

Страница 13: ...Revision 02 January 12 1998 Section 363 704 102 02 PG Flex FLC 704 List 2 PairGain Engineering Plant Series Page 11...

Страница 14: ......

Отзывы: