PairGain 150-1353-43 Technical Practice Download Page 16

Product Support

 

 363-753-143-01, Revision 01

12

April 25, 2000

 FRC-753 List 4C

PARTICULAR PURPOSE, WITH RESPECT TO ITS PRODUCTS AND ANY ACCOMPANYING WRITTEN 
MATERIALS. FURTHER, PAIRGAIN DOES NOT WARRANT THAT SOFTWARE WILL BE FREE FROM 
BUGS OR THAT ITS USE WILL BE UNINTERRUPTED OR REGARDING THE USE, OR THE RESULTS 
OF THE USE, OF THE SOFTWARE IN TERMS OF CORRECTNESS, ACCURACY, RELIABILITY OR 
OTHERWISE.

R

ETURNS

To return equipment to PairGain:

1

Locate the number of the purchase order under which the equipment was purchased. To obtain a return 
authorization number, you need to provide the original purchase order number to PairGain’s Return Material 
Authorization (RMA) Department.

2

Call or write PairGain’s RMA Department to ask for an RMA number and any additional instructions. Use 
the telephone number, fax number or email address listed below:

Telephone: 800.370.9670

Fax: 714.832.9923

Email Address: [email protected]

3

Include the following information, in writing, along with the equipment you are returning:

Company name and address.

Contact name and telephone number.

The shipping address to which PairGain should return the repaired equipment.

The original purchase order number.

A description of the equipment that includes the model and part number of each unit being returned, as 
well as the number of units that you are returning.

The reason for the return. For example:

The equipment needs an ECO/ECN upgrade.

The equipment is defective.

If there is another reason for returning the equipment, please let us know so we can determine how 
best to help you.

4

Pack the equipment in a shipping carton.

5

Write PairGain’s address and the RMA Number you received from the RMA Department clearly on the 
outside of the carton and return to:

PairGain Technologies, Inc.
14352 Franklin Ave.
Tustin, CA 92780-7013

Attention: RMA (Number)

If the equipment is defective, please tell us what you observed just before the equipment 
malfunctioned. Be as detailed in your description as possible. 

All shipments are to be returned prepaid. PairGain will not accept any collect shipments.

Summary of Contents for 150-1353-43

Page 1: ...CTICE PairGain 1 A C T I V E 2 3 4 5 6 7 8 FAULT FRC 753 CHAN UNIT LIST Eight Channel LoopStart GroundStart Remote Terminal Model FRC 753 List 4C Part Number 150 1353 43 CLEI Code VARHCKTCAB 363 753 1...

Page 2: ...ed trademarks of their respective companies Information contained in this document is company private to PairGain Technologies Inc and shall not be modified used copied reproduced or disclosed in whol...

Page 3: ...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 as describ...

Page 4: ..._________________________________________ 6 Installing the FRC 753 into the RT Enclosure 6 Provisioning the FRC 753 6 Verify Operation 6 Troubleshooting _______________________________________________...

Page 5: ...ubscriber 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 FRC 753 are eight LS GS...

Page 6: ...criber Each FRC 753 detects loop current Ring tip Ring ground The subscriber line battery is supplied by a constant current supply It is sufficient to operate a telephone set over the indicated loop T...

Page 7: ...ition is a Tip lead open and Ring lead negative into the COT and Tip lead open and Ring lead negative at the RT The following occurs when a PBX requests service for an outgoing call by grounding the R...

Page 8: ...ower at the RT the LEDs extinguish after a 2 minute timeout period Press and hold the ACO button on the RTLU for two seconds to re activate the LEDs for another two minutes Table 1 FRC 753 Front Panel...

Page 9: ...r Output 40 V RMS 3 lines simultaneous 5 REN each End to End Loss 2 5 dB 1 0 dB Lightning Protection GR CORE 1089 Section 4 Environmental Operating Elevation 200 ft to 13 000 ft 60 m to 4 000 m Temper...

Page 10: ...is off no calls are in progress 2 Test circuits for loop start a Place an outgoing call for each subscriber circuit provisioned and observe that the Active LED tracks the progress of the call b Place...

Page 11: ...this connection to the COT where it can be switched onto the test access bus or to the corresponding subscriber line on the COT channel card Activate test access through the RS 232 maintenance port l...

Page 12: ...ing 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 COT Channel Unit Test again for ringing at the network interface If ri...

Page 13: ...Services CO Central Office COLU Central Office Line Unit COT Central Office Terminal DTMF Dual Tone Multi Frequency LS GS Loop Start Ground Start MLT Mechanized Loop Testing PBX Private Branch Exchan...

Page 14: ...Abbreviations 363 753 143 01 Revision 01 10 April 25 2000 FRC 753 List 4C...

Page 15: ...e software furnished with its products will operate substantially in accordance with the PairGain published specifications and documentation for such software PairGain s entire liability for software...

Page 16: ...following information in writing along with the equipment you are returning Company name and address Contact name and telephone number The shipping address to which PairGain should return the repaired...

Page 17: ...quency 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...

Page 18: ...Corporate Office 14402 Franklin Avenue Tustin CA 92780 Tel 714 832 9922 Fax 714 832 9924 For Technical Assistance 800 638 0031 714 730 3222...

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