PairGain 150-1304-04 Manual Download Page 19 | Manualshive

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Summary of Contents for 150-1304-04

Page 1: ...L CENTRAL OFFICE TERMINAL LOOP START GROUND START POTS UNIT PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES TECHNICAL PRACTICE 363 704 104 01 SECTION 363 704 104 01 Model List Number Part Number FLC 70...

Page 2: ...n 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 O...

Page 3: ...4 List 4 June 22 1998 iii USING THIS TECHNICAL PRACTICE Two types of messages identified by icons appear in the text Notes contain information about special circumstances Cautions indicate the possibi...

Page 4: ...rt Operation 4 Ground Start Operation 6 CLASS Features 7 Forward Disconnect 7 Installation and Test ___________________________________________________________________ 8 Unpacking 8 Installing 8 Provi...

Page 5: ...subscriber line connection through an optional metallic bypass pair for subscriber circuit testing Features of the PG Flex FLC 704 List 4 COT channel unit are eight loop start or ground start POTS sub...

Page 6: ...Fast flashing green Channel is in test access mode Slow flashing green LED follows the ring signal Off Channel is on hook idle FAULT Red Fault detected by the unit Refer to Table 10 on page 10 for tr...

Page 7: ...100 Hz Ring Ground Resistance 500 Channel Signature Loop Start Lines Ground Start Lines Tip Ring open 23 75k 1 Tip Ground 162k 1 162k 1 Ring Ground 226k 1 226k 1 Environmental Operating Elevation 200...

Page 8: ...ing or under test see Table 1 on page 2 for front panel LED definitions Loop Start Operation The following section summarizes the loop start sequences for on hook idle subscriber inititated outgoing c...

Page 9: ...t interactions Table 3 Circuit Interactions When a Subscriber Initiates an Outgoing Call Loop Start Operation CO Switch FLC 704 List 4 COCU FRL 754 List 4 RTCU Subscriber CO Idle No ringing No ringing...

Page 10: ...tgoing calls may occur simultaneously on the same line Glare occurs when both ends of a telephone line or trunk are seized at the same time CO sends dial tone and grounds the Tip to signal the PBX to...

Page 11: ...ated the CO generates analog signalling toward the PBX between the first and second bursts of the ringing signal Forward Disconnect The forward disconnect function releases a called line that was left...

Page 12: ...he equipment in its original container Installing 1 Insert each FLC 704 Channel Unit into the COT shelf and observe that all LEDs turn ON for approximately 2 seconds scan from top to bottom flash all...

Page 13: ...f the call refer to Table 1 on page 2 for front panel indications Place an incoming call to each subscriber circuit provisioned and verify that the ACTIVE LED tracks the progress of the call refer to...

Page 14: ...ent replace the Line Unit 3 If ringing is still not present at the RT re insert the original Channel Unit and Line Unit Test for ringing at the COT 4 Test for ringing into the COT from the CO switch I...

Page 15: ...mission speeds up to 28 8 kbps are supported with a character format of 8 N 1 Warranty PairGain Technologies warrants this product to be free of defects and to be fully functional for a period of 60 m...

Page 16: ...o 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...

Page 17: ...ng Services CO Central Office COT Central Office Terminal DS0 Digital Signal Level Zero 64 kb s DTMF Dual Tone Multi Frequency HDSL High bit rate Digital Subscriber Line kbps KiloBits Per Second MLT M...

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Page 20: ...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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