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Revision 01

June 2, 1997

Section 363-719-102

PG-Flex FCS-719

PairGain Engineering - Plant Series

Page 23

8.4

Bypass Pairs.

  If subscriber drop testing is required, connect the metallic bypass pairs (Figure 7).

Do not connect metallic bypass pairs between PG-Flex systems or to other
digital loop carrier (DLC) systems.

1

For System 1, connect the metallic bypass pair from the main distribution frame (MDF) to wire
wrap posts BYPASS_1_T (Tip) and BYPASS_1_R (Ring) on the COT shelf.

2

Repeat step 1 for Systems 2, 3 and 4 using these pin pairs:

•

BYPASS_2_T, BYPASS_2_R for system 2

•

BYPASS_3_T, BYPASS_3_R for system 3

•

BYPASS_4_T, BYPASS_4_R for system 4

Figure 7.  Connecting the Metallic Bypass Pair

Содержание 150-1319-02

Страница 1: ...F Model List Number Part Number CLEI Code FCS 719 2 150 1319 02 VAMCDE0ARA PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES TECHNICAL PRACTICE SECTION 363 719 102 01 Revision History of this practice Re...

Страница 2: ...ing 20 9 Turn Up and Testing 26 10 Troubleshooting 26 11 Technical Support 26 D WARRANTY AND COMPLIANCE 27 12 Warranty 27 13 Certification 27 E ABBREVIATIONS 28 14 Abbreviations 28 USING THIS TECHNICA...

Страница 3: ...using a doubler and subscriber circuits located on the backplane at the rear of the shelf The List 2 COT shelf provides wire wrap terminations for the subscriber circuits Figure 1 FCS 719 COT Shelf Ca...

Страница 4: ...ies 3 1 Each system one Line Unit and one to three Channel Units can support up to 24 channels Each Channel Unit can provide four 4 or eight 8 channels depending on the service offered Services offere...

Страница 5: ...CU 3 CU 7 CU 1 CU 8 CU 2 CU 9 CU 3 CU 10 CU 1 CU 11 CU 2 CU 12 CU 3 ckt 1 ckt 1 ckt 1 ckt 1 ckt 1 ckt 1 ckt 1 ckt 1 ckt 1 ckt 1 ckt 1 ckt 1 ckt 2 ckt 2 ckt 2 ckt 2 ckt 2 ckt 2 ckt 2 ckt 2 ckt 2 ckt 2...

Страница 6: ...rk LAN data HDSL test composite clock auxiliary power pairs and external ACO switch alarm or PGTC test interface subscriber lines 4 2 Table 3 lists the FCS 719 List 2 connectors Figure 2 and where eac...

Страница 7: ...11 TESTOUT T_2 12 LOCK1 12 PROCEED2 12 TESTOUT R_2 13 LOCK2 13 PROCEED3 13 TESTOUT T_3 14 LOCK3 14 PROCEED4 14 TESTOUT R_3 15 LOCK4 15 SEIZE 15 TESTOUT T_4 16 TMAJ 16 SEZBY 16 TESTOUT R_4 17 5_2 17 TS...

Страница 8: ...8KHZ_CC 18 N C BURN IN 19 TSYNC_n 20 TSIG_n 21 TCLK_n 22 TSER_n 23 GND 24 RSYNC_n 25 RSIG_n 26 RCLK_n 27 RSER_n 28 GND 29 SDA_n 30 CSYNC_n 31 FUSEALARM 32 SCL_n 33 5_n 34 5_n 35 GND 36 GND 37 5_n 38 5...

Страница 9: ...SIG_1 19 TSYNC_1 20 TSIG_1 21 TCLK_1 22 TSER_1 21 TCLK_1 22 TSER_1 23 GND 24 RSYNC_1 23 GND 24 RSYNC_1 25 RSIG_1 26 RCLK_1 25 RSIG_1 26 RCLK_1 27 RSER_1 28 GND 27 RSER_1 28 GND 29 SDA_1 30 CSYNC_1 29...

Страница 10: ...20 TSIG_1 19 TSYNC_2 20 TSIG_2 21 TCLK_1 22 TSER_1 21 TCLK_2 22 TSER_2 23 GND 24 RSYNC_1 23 GND 24 RSYNC_2 25 RSIG_1 26 RCLK_1 25 RSIG_2 26 RCLK_2 27 RSER_1 28 GND 27 RSER_2 28 GND 29 SDA_1 30 CSYNC_...

Страница 11: ...20 TSIG_2 19 TSYNC_2 20 TSIG_2 21 TCLK_2 22 TSER_2 21 TCLK_2 22 TSER_2 23 GND 24 RSYNC_2 23 GND 24 RSYNC_2 25 RSIG_2 26 RCLK_2 25 RSIG_2 26 RCLK_2 27 RSER_2 28 GND 27 RSER_2 28 GND 29 SDA_2 30 CSYNC_...

Страница 12: ...3 20 TSIG_3 19 TSYNC_3 20 TSIG_3 21 TCLK_3 22 TSER_3 21 TCLK_3 22 TSER_3 23 GND 24 RSYNC_3 23 GND 24 RSYNC_3 25 RSIG_3 26 RCLK_3 25 RSIG_3 26 RCLK_3 27 RSER_3 28 GND 27 RSER_3 28 GND 29 SDA_3 30 CSYNC...

Страница 13: ...3 20 TSIG_3 19 TSYNC_4 20 TSIG_4 21 TCLK_3 22 TSER_3 21 TCLK_4 22 TSER_4 23 GND 24 RSYNC_3 23 GND 24 RSYNC_4 25 RSIG_3 26 RCLK_3 25 RSIG_4 26 RCLK_4 27 RSER_3 28 GND 27 RSER_4 28 GND 29 SDA_3 30 CSYNC...

Страница 14: ...IN 19 TSYNC_4 20 TSIG_4 19 TSYNC_4 20 TSIG_4 21 TCLK_4 22 TSER_4 21 TCLK_4 22 TSER_4 23 GND 24 RSYNC_4 23 GND 24 RSYNC_4 25 RSIG_4 26 RCLK_4 25 RSIG_4 26 RCLK_4 27 RSER_4 28 GND 27 RSER_4 28 GND 29 SD...

Страница 15: ...escribed in this practice Table 7 FCS 719 List 2 Backplane Connectors Connector Fuse Go to Table On page CO Battery CO Battery return and Frame Ground 8 14 LAN 9 14 Data 10 14 HDSL Auxiliary Power Pai...

Страница 16: ...ne Unit but are not connected on the backplane Table 8 Battery CO Battery Return and Frame Ground Connector Type Function TB1 Screw Battery 48 Vdc for systems 1 and 2 TB2 Screw Battery 48 Vdc for syst...

Страница 17: ...looking into the CO switch for the selected subscriber for System n This connection must be set up through the PG Flex RS 232 maintenance port The termination point for each system is P17 for system 1...

Страница 18: ...of the CO alarm system MAJ_VIS 7 8 9 Indicates a major alarm This alarm cannot be disabled Connect this relay to the major alarm visual indicator of the CO alarm system MIN_AUD 10 11 12 Indicates a m...

Страница 19: ...31 6 RD BL BL RD 7 32 7 RD OR OR RD 8 33 8 RD GN GN RD 1 34 9 RD BN BN RD 2 35 10 RD SL SL RD 3 36 11 BK BL BL BK 2 4 37 12 BK OR OR BK 5 38 13 BK GN GN BK 6 39 14 BK BN BN BK 7 40 15 BK SL SL BK 8 4...

Страница 20: ...TC_TIP2 3 PGTC_RING3 28 PGTC_TIP3 4 PGTC_RING4 29 PGTC_TIP4 5 SLEEVE2 30 SLEEVE1 6 SLEEVE4 31 SLEEVE3 7 OH2 32 OH1 8 OH4 33 OH3 9 PROCEED2 34 PROCEED1 10 PROCEED4 35 PROCEED3 11 LOCK2 36 LOCK1 12 LOCK...

Страница 21: ...ave identical electrical make ups Differences in total wire length wire gauge bridge taps and exposure to crosstalk should be kept to a minimum Pair isolation Tip Ring Tip Ground and Ring Ground must...

Страница 22: ...n the back side of the backplane Follow the provisions of the current edition of the National Electric Code for wiring external to the PG Flex product s 8 2 Frame Ground and Battery Connect the frame...

Страница 23: ...a Connect the wire used for the CO battery A to TB1 BATT A termination point b Connect the wire used for the CO battery B to TB2 BATT B termination point c Connect the wire for the CO battery return...

Страница 24: ...1 for System 1 2 for System 2 3 for System 3 4 for System 4 1 Connect the HDSL Pair 1 onto wire wrap pins HDSL_n_T1 Tip and HDSL_n_R1 Ring on the COT shelf for system n 2 Connect the HDSL Pair 2 onto...

Страница 25: ...s between PG Flex systems or to other digital loop carrier DLC systems 1 For System 1 connect the metallic bypass pair from the main distribution frame MDF to wire wrap posts BYPASS_1_T Tip and BYPASS...

Страница 26: ...e 2 Connect the composite clock leads from the secondary master clock source in the CO to CC2_TIP and CC2_RING termination pins on the backplane 3 When cascading the composite clock to other PG Flex s...

Страница 27: ...ach system installed using the Tip and Ring pin pairs on P2 for system 2 P3 for system 3 and P4 for system 4 Figure 9 Subscriber Line Termination 8 8 Auxiliary Power Pairs When PG Flex is used with a...

Страница 28: ...Replace the clear Plexiglas cover 9 Turn Up and Testing 9 1 Refer to the COT or RT Line Unit Technical Practices for complete COT and RT turn up and testing procedures 10 Troubleshooting 10 1 Refer t...

Страница 29: ...klin Avenue Tustin CA 92780 7013 ATTN Repair and Return Dept 12 4 PairGain will continue to repair faulty modules beyond the warranty program at a nominal charge Contact your PairGain sales representa...

Страница 30: ...ABBREVIATIONS 14 Abbreviations COT Central Office Terminal DLC Digital Loop Carrier HDSL High bit rate Digital Subscriber Line ISDN Integrated Services Digital Network LAN Local Area Network MDF Main...

Страница 31: ...Revision 01 June 2 1997 Section 363 719 102 PG Flex FCS 719 PairGain Engineering Plant Series Page 29...

Страница 32: ......

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