PairGain FLC-703 Скачать руководство пользователя страница 13

P

RODUCT

 S

UPPORT

T

ECHNICAL

 S

UPPORT

PairGain Technical Assistance is available 24-hours-a-day, 7-days-a-week by contacting PairGain Customer 
Service Engineering group at: 

During normal business hours (8:00 AM to 5:00 PM, Pacific Time, Monday - Friday, excluding holidays), 
technical assistance calls are normally answered directly by a Customer Service Engineer. At other times, a 
request for technical assistance is handled by an on-duty Customer Service Engineer through a callback process. 
This process normally results in a callback within 30 minutes of initiating the request.

W

ARRANTY

PairGain Technologies warrants this product to be free of defects and to be fully functional for a period of 60 
months 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.

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.

If a unit needs repair, call PairGain for a Return Material Authorization (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: Repair and Return Dept.

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

FCC C

OMPLIANCE

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when 
the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio 
frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful 
interference to radio communications. 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.

M

ODIFICATIONS

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 
Code.

Telephone:

(800) 638-0031 or (714) 832-9922 

Fax:

(714) 832-9924

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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