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PG-P

LUS

T

ECHNICAL

 P

RACTICE

S

ECTION

 SCP-PCU796-010-04H

Model

List

CLEI Code

PCU-796

1

S9TPLKNB~~

PGTC Conditioner Unit

Summary of Contents for PG-PLUS PCU-796

Page 1: ...PG PLUS TECHNICAL PRACTICE SECTION SCP PCU796 010 04H Model List CLEI Code PCU 796 1 S9TPLKNB PGTC Conditioner Unit ...

Page 2: ... copied reproduced or disclosed in whole or in part without the written consent of ADC Contents herein are current as of the date of publication ADC reserves the right to change specifications at any time without notice Information furnished by ADC is believed to be accurate and reliable In no event shall ADC be liable for any damages resulting from the loss of data loss of use or loss of profits ...

Page 3: ... is short or irregular contact ADC as described in Returns on page 9 If you must store the equipment for a prolonged period store the equipment in its original container Notes indicate information about special circumstances Cautions indicate the possibility of equipment damage or the possibility of personal injury Electrostatic Discharge ESD susceptibility symbols indicate that a device or assemb...

Page 4: ...Inspecting Your Shipment SCP PCU796 010 04H June 24 2003 PCU 796 List 1 ...

Page 5: ...tioner Unit 3 PCU 796 List 1 4 LED Descriptions 6 Card Edge Connector 7 Installation 8 PCU 796 States 8 Active State 8 Inactive State 8 Servicing 8 Product Support ______________________________________________________________________ 9 Technical Support 9 Limited Warranty 9 Returns 9 FCC Class B Compliance 11 Modifications 11 Acronyms_______________________________________________________________...

Page 6: ...SCP PCU796 010 04H ii June 24 2003 PCU 796 List 1 ...

Page 7: ...796 010 04H PCU 796 List 1 June 24 2003 iii LIST OF FIGURES 1 PGTC Block Diagram 1 2 Non Integrated MLT 2 2 3 Integrated MLT 2 Using PCU 796 3 4 PCU 796 Unit 6 5 Installing the PCU 796 into an HUS 340 Shelf 8 ...

Page 8: ...SCP PCU796 010 04H iv June 24 2003 PCU 796 List 1 ...

Page 9: ...SCP PCU796 010 04H PCU 796 List 1 June 24 2003 v LIST OF TABLES 1 LED Indicators on Front Edge of the PCU 796 6 2 Edge Connector Pinouts 7 ...

Page 10: ...SCP PCU796 010 04H vi June 24 2003 PCU 796 List 1 ...

Page 11: ...en the MLT 2 and PGTC changes when the MLT function is integrated into the switch The PCU 796 is required in this case to ensure that the test completes correctly The PCU 796 attaches to the Sleeve lead and the Trunk Ring lead of the PGTC equipment In the case of I MLT 2 the Sleeve lead of the PGTC is normally unconnected The PCU 796 uses the signal on the Sleeve lead to drive a relay in the condi...

Page 12: ...s the typical connections of Nonintegrated MLT 2 In this case the Sleeve lead passes through the PGTC to the No Test Trunk in the switch MLT interprets 48 V on the Ring lead as Test OK Because the PGTC remains inactive during PG Plus testing the 48 V is returned by the No Test Trunk when the MLT opens the Sleeve lead at the end of testing Figure 2 Non Integrated MLT 2 ...

Page 13: ...carrier DLC devices that activate the PGTC When the PGTC is active the opening of the Sleeve lead by I MLT 2 at the end of test is not passed through the PGTC Thus the PCU 796 remains inactive and does not apply 48 V in this case Figure 3 Integrated MLT 2 Using PCU 796 DESCRIPTION AND FEATURES PGTC Conditioner Unit The PCU 796 Conditioner Unit allows PG Plus systems to correctly interface with a P...

Page 14: ...ns between the PGTC and the I MLT 2 Failure or removal of the PCU 796 does not result in any loss of traffic or service degradation At most a Channel Test Failure message would appear if the PCU 796 were removed while a PG Plus system is under MLT test The PCU 796 has no options or provisionable settings and is in service when plugged into a suitable COT Shelf The PCU 796 has one field replaceable...

Page 15: ...kg Mounting Single width 400 type mechanics enclosure Connectors 56 pin gold edge fingers Power Requirements Input Voltage Nominal 48 Vdc Minimum 42 Vdc Maximum 56 Vdc Input Current All Ports Active Typical 30 mA at 48 Vdc Maximum 36 mA at 56 Vdc Input Current No Ports Active Maximum 7 mA at 56V Power Consumption All Ports Active Typical 1 44 W at 48 Vdc Maximum 2 0 W at 56 Vdc Power Consumption N...

Page 16: ...TIONER LEDs go on when one or more of the conditioner circuits sense current flow on the PGTC sleeve lead output see Table 1 Figure 4 PCU 796 Unit Table 1 LED Indicators on Front Edge of the PCU 796 Indicator Condition Description POWER ON PCU 796 is powered on OFF PCU 796 is not receiving power CONDITIONER 1 ON Conditioner circuit 1 is inactive OFF Conditioner circuit 1 is active CONDITIONER 2 ON...

Page 17: ...the Tip or Ring number trunk Ring n and sleeve n leads to the corresponding leads on the PCU 796 shelf Table 2 Edge Connector Pinouts Edge Pin Signal Name Edge Pin Signal Name 1 Frame Ground 2 Trunk Tip 1 TT1 3 4 Trunk Ring 1 TR1 5 6 Sleeve 1 S1 7 8 9 10 11 12 Trunk Tip 2 TT2 13 14 Trunk Ring 2 TR2 15 16 Sleeve 2 S2 17 Battery Return 18 19 20 21 22 23 24 25 Alarm 26 27 28 29 30 31 32 33 34 35 48V ...

Page 18: ...340 Shelf The POWER LED is on when the PCU 796 is seated correctly and the shelf is powered Installation is now complete PCU 796 STATES Active State The CONDITIONER LED is off when the PCU 796 no longer senses current flow and is applying 48 V to the Trunk Ring lead Inactive State The four CONDITIONER LEDs are lighted when the PCU 796 is monitoring the shelf current and is not applying 48 V to the...

Page 19: ... Call or write ADC 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 800 366 3891 Email Address rma ADC com 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 ADC should re...

Page 20: ...the equipment in a shipping carton 5 Write ADC s address and the RMA Number you received from the RMA Department clearly on the outside of the carton 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 ADC will not accept any collect shipments ...

Page 21: ...stallation If this equipment does cause harmful interfer ence to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a ci...

Page 22: ...RONYMS CO Central Office DLC Digital Loop Carrier HUS HiGain Universal Shelf ISDN Integrated Services Digital Network LED Light Emitting Diode MLT Mechanized loop Testing PCU Pair Gain Conditioner Unit PGTC Pair Gain Test Controller RMA Return Materials Authorization ...

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Page 24: ...World Headquarters ADC Telecommunications Inc PO Box 1101 Minneapolis Minnesota USA 55440 1101 For Technical Assistance 800 366 3891 _ 3 1263623 ...

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