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363-703-131-01,

Revision

Abbreviations

FLC-703 List 3A

July 30, 1999

BBREVIATIONS

CLASS

Custom Local Area Signaling Services

Central Office

COT

Central Office Terminal

Channel Unit

DTMF

Dual Tone Multi Frequency

Line Unit

MLT

Mechanized Loop Testing

PCM

Pulse Code Modulation

PGTC

Pair Gain Test Controller

POTS

Plain Old Telephone Service

RMA

Return Material Authorization

Remote Terminal

Содержание FLC-703

Страница 1: ...NEL UNIT PAIRGAIN TECHNOLOGIES INC ENGINEERING PLANT SERIES TECHNICAL PRACTICE SECTION 363 703 131 01 Model List Number Part Number CLEI Code FLC 703 3A 150 1303 31 VACHCDVC PairGain FLC 703 CHAN UNIT...

Страница 2: ...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 Other product...

Страница 3: ...ny and to PairGain Order replacement equipment if necessary Check the packing list to ensure complete and accurate shipment of each listed item If the shipment is short or irregular contact PairGain a...

Страница 4: ...ons 3 FLC 703 Functions 4 Circuit Operation 4 Installation and Test ___________________________________________________________________ 5 Install the FLC 703 5 Verify Operation 5 Subscriber Drop Testi...

Страница 5: ...s to the subscriber line connection through an optional metallic bypass pair Perform metallic bypass testing either manually or through the Pair Gain Test Controller PGTC Features of the FLC 703 COT C...

Страница 6: ...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 ACTIVE 1 through 8 Solid green Channel is off hook Fast fl...

Страница 7: ...nfiguration Electrical Characteristics Analog Impedance 900 Loop Length 100 CO switch to COT End to End Loss 2 5 dB 1 0 dB Channel Signature of Loop Start Lines Tip Ring Open Tip Ground 162 k 1 Ring G...

Страница 8: ...signal from the RT FLC 703 generates an off hook signal to the Central Office CO to begin current flow CO sends dial tone FRC 753 recognizes dial pulses or Dual Tone Multi Frequency DTMF signaling fr...

Страница 9: ...ized 1 Observe the front panel ACTIVE indicators are all OFF and the FAULT indicator is off no calls are in progress 2 Test circuits for loop start 1 Place an outgoing call for each subscriber circuit...

Страница 10: ...RT and the network interface If no ringing is present replace the RT CU If ringing is still not present check a circuit on another CU If ringing is still not present replace the LU 3 If ringing is sti...

Страница 11: ...l Area Signaling Services CO Central Office COT Central Office Terminal CU Channel Unit DTMF Dual Tone Multi Frequency LU Line Unit MLT Mechanized Loop Testing PCM Pulse Code Modulation PGTC Pair Gain...

Страница 12: ......

Страница 13: ...uthorization RMA number at 800 638 0031 Return the defective unit freight prepaid along with a brief description of the problem to PairGain Technologies Inc 14352 Franklin Avenue Tustin CA 92780 ATTN...

Страница 14: ...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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