Table of Contents
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C
ENTRAL
Model
FLC-703
E
NGINEERING
PG-F
8 C
HANNEL
O
FFICE
List Number
3A
FLC 703
CHAN UNIT
LIST
3A
1
2
A
3
C
4
T
I
5
V
E
6
7
8
FAULT
PairGain
P
G
T
AIR
AIN
ECHNOLOGIES
P
S
LANT
ERIES
S
363-703-131-01
ECTION
LEX
POTS
C
U
HANNEL
Part Number
150-1303-31
, I
.
NC
T
P
ECHNICAL
RACTICE
NIT
CLEI Code
VACHCDVC--
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Table of Contents
Related Manuals for PairGain PG-FLEX FLC-703
Summary of Contents for PairGain PG-FLEX FLC-703
- Page 1 PG-F POTS HANNEL ENTRAL FFICE HANNEL Model List Number Part Number CLEI Code FLC-703 150-1303-31 VACHCDVC-- FLC 703 CHAN UNIT LIST FAULT PairGain ECHNOLOGIES NGINEERING LANT ERIES ECHNICAL RACTICE 363-703-131-01 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.
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Page 4: Table Of Contents
Table of Contents 363-703-131-01, Revision 01 ABLE OF ONTENTS Overview ____________________________________________________________________________ 1 Description and Features ........................1 Front Panel............................2 Specifications ............................ 3 Applications............................3 FLC-703 Functions..........................4 Circuit Operation ..........................4 Installation and Test ___________________________________________________________________ 5 Install the FLC-703..........................5 Verify Operation.......................... -
Page 5: Overview
363-703-131-01, Revision 01 Overview VERVIEW ® ® The PairGain PG-Flex FLC-703 List 3A POTS Central Office Channel Unit provides eight loop start interfaces for POTS service between a PG-Flex Central Office Terminal (COT) and the Central Office (CO) switch. ESCRIPTION AND... -
Page 6: Front Panel
Overview 363-703-131-01, Revision 01 RONT ANEL Figure 1 shows the FLC-703 front panel. Table 1 lists the different states and indications for the FLC-703 Channel Unit front panel LEDs. Figure 1. FLC-703 Front Panel Table 1. Front Panel LEDs LEDs LEDs State Indicates Solid green... -
Page 7: Specifications
363-703-131-01, Revision 01 Overview PECIFICATIONS Electrical Characteristics Ω Analog Impedance Ω Loop Length (CO switch to COT) End-to-End Loss -2.5 dB ± 1.0 Channel Signature of Loop Start Lines Tip-Ring Open Ω Tip-Ground 162 k , 1% Ω Ring-Ground 226 k , 1% Environmental Operating Elevation... -
Page 8: Flc-703 Functions
Overview 363-703-131-01, Revision 01 FLC-703 F UNCTIONS The FLC-703 Channel Unit provides eight POTS channel interfaces to the CO switch. Each FLC-703 detects: • forward battery • ringing voltage IRCUIT PERATION The following paragraphs define the FLC-703 circuit operation. Each FLC-703 circuit has an associated LED that indicates when the line is off-hook, idle, ringing, or under test. -
Page 9: Installation And Test
363-703-131-01, Revision 01 Installation and Test NSTALLATION AND FLC-703 NSTALL THE Observe normal electrostatic discharge precautions when handling electronic equipment. Do not hold electronic plug-ins by their edge. Do not touch components or circuitry. Insert the FLC-703 into the shelf and observe that all LEDs: •... -
Page 10: Subscriber Drop Testing
4 4 Check the level at the COT coming from the CO switch. If it is correct, replace the COT CU. If it is not correct, refer the problem to the CO regarding the switch. 5 5 If the level is still not correct, re-insert the original COT CU. Contact PairGain technical assistance (see “Product Support”... -
Page 11: Abbreviations
363-703-131-01, Revision 01 Abbreviations BBREVIATIONS CLASS Custom Local Area Signaling Services Central Office Central Office Terminal Channel Unit DTMF Dual Tone Multi Frequency Line Unit Mechanized Loop Testing Pulse Code Modulation PGTC Pair Gain Test Controller POTS Plain Old Telephone Service Return Material Authorization Remote Terminal FLC-703 List 3A... -
Page 13: 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 14 Corporate Office 14402 Franklin Avenue Tustin, CA 92780 Tel: (714) 832-9922 Fax: (714) 832-9924 For Technical Assistance: (800) 638-0031...