PairGain 150-1303-42 Manual Download Page 12

Section 363-703-142

July 30, 1999

Revision 01

Page 10

PairGain Engineering - Plant Series

FLC-703, List 4B

10.2

Refer to the installation section of the appropriate instruction manual for the unit you are installing to
get information on:

cabling

proper connections

grounding

line power

10.3

All wiring external to the product(s) should follow the provisions of the current edition of the
National Electrical Code.

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 Technologies, Inc.
14402 Franklin Avenue
Tustin, California  92780-7013
ATTN:  Customer Repair Facility

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.

Summary of Contents for 150-1303-42

Page 1: ...L CENTRAL OFFICE TERMINAL LOOP START GROUND START UNIT Model List Number Part Number CLEI Code FLC 703 4B 150 1303 42 VACHLHGC PAIRGAIN TECHNOLOGIES INC ENGINEERING PLANT SERIES TECHNICAL PRACTICE SEC...

Page 2: ...amage A warning indicates the possibility of personal injury A PRODUCT OVERVIEW 1 1 Description and Features 1 2 Front Panel 2 3 Specifications 3 B Functional Description 4 4 Applications 4 5 Operatio...

Page 3: ...unit provides metallic test access to the subscriber line connection through an optional metallic bypass pair Perform metallic bypass testing either manually or through the Pair Gain Test Controller...

Page 4: ...different states and indications for the FLC 703 Channel Unit front panel LEDs Figure 1 FLC 703 Front Panel Table 1 FLC 703 Front Panel LEDs LED LED State Indicates Solid green Channel is off hook ACT...

Page 5: ...5 dB 1 0 Ring Ground Resistance 500 Channel Signature Loop Start Lines Ground Start Lines Tip Ring open 23 75 k 1 Tip Ground 162 k 1 162 k 1 Ring Ground 226 k 1 226 k 1 Environmental Operating Elevati...

Page 6: ...cal system with loop start and ground start services Figure 2 Typical System with Loop Start and Ground Start Capabilities 5 Operational Capabilities 5 1 FLC 703 Functions The FLC 703 Channel Unit pro...

Page 7: ...egative at the RT The following occurs when a PBX requests service for an outgoing call by grounding the Ring lead at the RT FRC 753 signals the FLC 703 FLC 703 operates a Ring ground relay that reque...

Page 8: ...ed period store the equipment in its original container 7 Installation Observe normal electrostatic discharge precautions when handling electronic equipment Do not hold electronic plug ins by their ed...

Page 9: ...t per section 7 2 a Place an outgoing call for each subscriber circuit provisioned and observe that the appropriate ACTIVE LED tracks the progress of the call Table 1 b Place an incoming call for each...

Page 10: ...r the problem to the customer per local practice 2 If ringing is not present check for ringing at the RT If ringing is present check the pair between the RT and the network interface If no ringing is...

Page 11: ...c 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 d...

Page 12: ...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...

Page 13: ...viations CLASS Custom Local Area Signaling Services CO Central Office COT Central Office Terminal DTMF Dual Tone Multi Frequency MLT Mechanized Loop Testing PBX Private Branch Exchange PCM Pulse Code...

Page 14: ......

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