Paradyne 317x E1 Network Card User Manual
Contents
1. 0 e 0 e 0 0 e o s fs e e o ODO O oO E oO 6 RI LO R Lo 5 fo ro ro O lo fo H BACKPLANE o ro oje 9 a A CONNECTOR CABLE o a B o ASSEMBLIES o Ii Lodi LoLo o g olill Lo e e e Le NETWORK 3 i MANAGEMENT o P20 P19 5 CONNECTOR A gt 0 0 eo O o o Te C eine c gt El CAPTIVE P6 48VDC B 48VDC A P3 CAPTIVE SCREW OUTPUT INPUT INPUT OUTPUT SCREW ALARMB ALARMA 497 13673 01 Figure 2 4 COMSPHERE 3000 Series Carrier Rear Providing Power to a CO Power Unit After the CO Power Unit installation procedure is completed you must provide power to the unit There are a number of powering options available depending upon your configuration NOTE The option strap settings are factory set for the Basic mode of operation To provide power to the CO Power Unit operating in Basic mode gt Procedure 1 Use one connector housing AMP part number 1 480698 0 and two crimp type contacts AMP part number 350550 1 to attach the connector to your 48 Vdc power input cable Note that you need a hand crimping tool AMP part number 90296 2 or equivalent to build the connector The contacts are crimp type and are intended for use with 20 AWG through 14 AWG wire with a maximum ins2. Figure 2 7 Using One Power Source and Two Input Power Cables for Independent Mode or Redundant Mode 2 14 May 1998 3000 A2 GB41 40 Installation Installing an SDCP If you want to mount a shared Diagnostic Control Panel SDCP on the carrier and the SDCP ribbon cable is If you want to mount an SDCP and the SDCP ribbon cable is not installed remove the CO Power Unit from the carrier and follow the instructions in the SDCP Ribbon Cable Installation section in the COMSPHERE installed refer to Figure 2 8 gt Procedure 3000 Series Carrier Installation Manual 1 Raise the carrier 1 5 inches above the carrier below it NOTE In a Paradyne COMSPHERE 72 inch cabinet This procedure is only used when installing an SDCP onto a carrier operating with a CO Power Unit All other carriers use the standard SDCP installation procedure as described in the Shared Diagnostic Control Panel SDCP Installation section in the COMSPHERE 3000 Series Carrier Installation Manual 4000 B2 201 if you mount an SDCP onto a carrier operating with a CO Power Unit then only five carriers can be installed in the cabinet instead of the usual six Remove the power module the left power module if there are two power modules in the CO Power Unit by loosening the two captive screws on the front of the power module Hold onto the power module handle and slide the power module out Then remove the handle on the power m
3. COMSPHERE 48 Vdc CENTRAL OFFICE POWER UNIT INSTALLATION GUIDE Document No 3000 A2 GB41 40 May 1998 COMSPHERE 48 Vdc Central Office Power Unit COMSPHERE 48 Vdc Central Office Power Unit Installation Guide 3000 A2 GB41 40 5th Edition May 1998 Changes and enhancements to the product and to the information herein will be documented and issued as a new release Warranty Sales and Service Information Contact your local sales representative service representative or distributor directly for any help needed For additional information concerning warranty sales service repair installation documentation training distributor locations or Paradyne worldwide office locations use one of the following methods e Via the Internet Visit the Paradyne World Wide Web site at http www paradyne com e Via Telephone Call our automated call system to receive current information via fax or to speak with a company representative Within the U S A call 1 800 870 2221 Outside the U S A call 1 727 530 2340 Trademarks All products and services mentioned herein are the trademarks service marks registered trademarks or registered service marks of their respective owners ED Printed on recycled paper COPYRIGHT 1998 Paradyne Corporation All rights reserved This publication is protected by federal copyright law No part of this publication may be copied or distributed transmitted transcribed
4. of a Modular 3611 DB25 female end of the NMS adapter cable has DSU s rear connector plate then plug the DB25 no connection See Figure 2 10 male end of the NMS adapter cable into the top CABINET NETWORK MANAGEMENT CONNECTOR REAR CONNECTOR PLATE FORA MODULAR 3611 DSU NMS ADAPTER CABLE FEMALE END NOT USED FERRITE CHOKE 25 PIN TO 34 PIN ADAPTER gt v 35 CABLE Figure 2 10 Connecting an NMS Adapter Cable to a Modular 3611 DSU When the DTE Interface is V 35 491 13685 3000 A2 GB41 40 May 1998 2 19 COMSPHERE 48 Vdc Central Office Power Unit Air Filter and Brackets Installation Optional The air filter part number 3000 F 1 020 prevents dust from entering the carrier It is an optional component and must be ordered separately However the air filter brackets and screws are supplied with the CO Power Unit Only the 3000 F 1 020 air filter may be used Under normal environmental conditions you should inspect and or replace the 3000 F1 020 air filter every three months This section describes the procedure for installing the air filter and brackets This procedure must be performed before installing the carrier into the cabinet NOTE If the carriers in the cabinet are stacked directly on top of each other then only the bottom carrier in the cabinet needs an air filter Keep in mind that the
5. stored in a retrieval system or translated into any human or computer language in any form or by any means electronic mechanical magnetic manual or otherwise or disclosed to third parties without the express written permission of Paradyne Corporation 8545 126th Avenue North P O Box 2826 Largo Florida 33779 2826 Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose Further Paradyne Corporation reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Paradyne Corporation to notify any person of such revision or changes A May 1998 3000 A2 GB41 40 Safety Instructions Important Safety Instructions 1 Read and follow all warning notices and instructions marked on the product or included in the manual This product is intended to be used with a three wire grounding type plug a plug which has a grounding pin This is a safety feature Equipment grounding is vital to ensure safe operation Do not defeat the purpose of the grounding type plug by modifying the plug or using an adaptor Prior to installation use an outlet tester or a voltmeter to check the ac receptacle for the presence of earth ground If the receptacle is not properly grounded the installation must not continue until a qualified electrician ha
6. AMP Part NUMBER oe aaee eked Peed San ONETO Goa haemo seen ee te A 3 Pin Assignments for the CO Alarm System Outputs 00 A 4 Pin Assignments for the NMS Adapter Cable 0 00 00 0 000005 A 5 May 1998 3000 A2 GB41 40 Preface Objectives and Reader Assumptions This guide contains installation information for the COMSPHERE 48 Vdc Central Office CO Power Unit which is designed to be used with COMSPHERE 3000 Series Carriers It is assumed that you are familiar with the functional operation of data equipment digital network services data service units DSUs dial lease modems T1 channel service units CSUs and T1 data service units channel service units DSU CSUs Abstract Chapter provides descriptive information about the 48 Vdc CO Power Unit Chapter 2 provides installation consideration information and procedures for installing an optional second power module setting the option straps installing the 48 Vdc CO Power Unit providing power to the power unit installing a Shared Diagnostic Control Panel SDCP connecting to a CO Alarm System or a COMSPHERE 6800 Series Network Management System NMS and installing an optional air filter and brackets Chapter 3 describes the status indicators on the faceplate of the power module It also provides troubleshooting guidelines and replacement instructions for the power module and a preventive maintenance schedule for the opt
7. EO De Ee KORE 2 9 Providing Power toa CO Power Unit 2 6 35 cescree se tse e bebe s SEG eee REere ee SORES 2 11 Tastalling AMS DOP esien ow ee ays Saeed tee eas T ddan Seated ap A E EE 2 16 Connecting the Alarm Contacts toa CO Alarm System cece cee eee eee 2 17 Connecting the Alarm Contacts to a 6800 Series NMS Via a Modular 3611 DSU 2 18 Air Filter and Brackets Installation Optional 0 eee eee eet aso eee een rese 2 21 Overview The CO Power Unit consists of one power module in a CO power tray When installed the CO Power Unit provides low voltage dc power to the DCEs in the carrier This chapter provides information on how to install the CO Power Unit into a COMSPHERE 3000 Series Carrier Installation Considerations The CO Power Unit is shipped with one power module and operates in Basic mode With an optional second power module the CO Power Unit can be configured to operate in either Independent mode or Redundant mode If you order a second power module for your CO Power Unit you must determine the mode in which you wish to operate before installing the CO Power Unit NOTE The CO Power Unit installation procedure must be performed by a qualified service personnel In addition if you want to forward alarms to a 6800 Series Network Management System NMS you must connect the CO Power Unit to the external leads of a Modular 3611 DSU Model 3151 CSUs and Model 3161 DSU CSU
8. Gate 8 nhl Gees Mee EN 2 19 2 11 Ast Milter Brackets Installato ei 2 ci e2 esi eeri ae esd ome krr ee bees eros ays 2 21 3 1 CED Status Indicators oc og wie hebadeas Sebago eb Rd eee neem EDERE E 3 1 3 2 Replacing a Power Module cc 005 s a0 c83 eerk Kees ave conus oue er one des 3 3 Act CO Power UnittReany ie eacue scared ace Oe hard ke ede oe arene RMS PORES SS A 2 A 2 Connector Housing and Contact v co05 lt cue cide nsd ane been ESEE eee Cee A 3 A 3 NMS Adapter Cable Feature Number 3000 F2 510 2 0005 A 6 List of Figures 3000 A2 GB41 40 May 1998 iii COMSPHERE 48 Vdc Central Office Power Unit Table 1 1 2 1 2 3 2 4 2 5 2 6 A 1 A 3 A 4 List of Tables Page Technical Specifications for Central Office CO Power Unit 1 4 Maximum Ambient Temperatures Permitted 20 0 0 cece eee eee 2 2 Settings for Basie Mode 000s eae ok Rea ee ae aes 2 6 Settings for Independent Mode 25 54 ick aes AeA Rae ee a Ra 2 7 Settings for Redundant Mode Using a Single 48 Vdc Power Source and a Single Input Power Cable eccer eh eit ede wt aie age dod ER E 2 7 Settings for Redundant Mode with Either a Single Power Source and Two Input Power Cables or Two Separate Power Sources and Two Input Power Cables 2 7 JUMper SetiNgs 26 3 0 oe cardeciaied CVE Seid eee babe helene E yaGu ogee oaks 2 17 Pin Assienments of the DC Inputs ccc clave Seas bei Osea dase es phe A 2
9. assignments for the NMS adapter cable Figure A 3 illustrates the NMS adapter cable Note that a power failure alarm signal is sent to an NMS upon a failure in either the 48V input or low NOTE To avoid potential problems caused by incorrect connections e g grounding the 12 Vdc source do not set Jumper J21 as shown in Figure 2 10 of Chapter 2 if you are not using an NMS adapter cable Table A 4 Pin Assignments for the NMS Adapter Cable EIA 25 Pin Modular Male End Plug End NMS Alarm Function 12 6 12 Vdc Source 11 4 None 14 3 None 16 5 None 19 2 Fan Status Alarm 23 1 Power Status Alarm 1 All other pins on the 25 pin male connector are wired straight through to the 25 pin female connector 2 This pin only functions as a 12 Vdc source when Jumper J21 is set as shown in Figure 2 10 of Chapter 2 3000 A2 GB4 1 40 May 1998 COMSPHERE 48 Vdc Central Office Power Unit 20 INCHES DB25 MALE END DB25 FEMALE END MODULAR ooo A 491 13680 Figure A 3 NMS Adapter Cable Feature Number 3000 F2 510 A 6 May 1998 3000 A2 GB41 40 Basic mode carrier data communication equipment DCE data service unit DSU data terminal equipment DTE Independent mode LED Modular 3611 DSU rear connector plate Redundant mode shared diagnostic control panel SDCP Glossary A mode of operation in which the single power mod
10. cause harmful interference in which case the user will be required to correct the interference at his own expense The authority to operate this equipment is conditioned by the requirements that no modifications will be made to the equipment unless the changes or modifications are expressly approved by Paradyne Corporation A WARNING To Users of Digital Apparatus in Canada This Class A digital apparatus meets all requirements of the Canadian interference causing equipment regulations Cet appareil num rique de la classe A respecte toutes les exigences du r glement sur le mat rial brouilleur du Canada C May 1998 3000 A2 GB41 40 Table of Contents Objectives and Reader Assumpuons 2 46008 sane couse crisi es v APACE oaa eia a e ia EE aa ae a Real ad Rade E Ree v Related Documents 0 6 5c ee cde kee ee a a v 1 Introduction OVGIMOW oee enie ee ea eS ee yeaa ek eae aha 1 1 Fears 4 0 00 t 6 eg aa heady asda ei keen La Rea 1 2 Technical Specifications serce eee E be abe sees 1 3 Equipment Warranty and Support 2 006 1 5 2 Installation OVETVIEW 5 oes Se Mae oaaie chews Hare Be GRE OMe ba ews 2 1 Installation Considerations lt i 6695 0 oh bad oes ooh bad upoe 2 1 CO Power Unit Installation 20 0 0 ccc ee eee 2 4 Air Filter and Brackets Installation Optional 2 20 3000 A2 GB41 40 May 1998 COMSPHERE 48 Vdc Central Office Power Unit 3 Troublesho
11. into one COMSPHERE 3000 Series Carrier it controls and monitors the DSUs and modems in all the carriers in the cabinet A single SDCP can control up to 8 carriers with a total of 128 DSUs and if present 128 DBMs and modems 3000 A2 GB41 40 May 1998 Glossary 1 COMSPHERE 48 Vdc Central Office Power Unit shared diagnostic unit A circuit card that plugs into a dedicated slot in the COMSPHERE 3000 Series SDU Carrier to provide the shared diagnostic control panel and network management interfaces to the DSUs in the carrier It translates the network management protocol to the devices in the carrier and routes incoming messages to the appropriate slots 6800 Series Network A Paradyne automated network management system that supports the CO Power Management System Unit and other devices It allows an operator to monitor network conditions NMS analyze problems and take restorative measures Glossary 2 May 1998 3000 A2 GB41 40 A adapter cable NMS A 6 pin assignments A 5 air filter brackets installation 2 23 installation physical dimensions 1 4 weight alarm contacts connecting to alarm s stem 2 T7 NMS forwarding outputs NMS relay contacts system connecting 2 17 outputs ambient temperatures AMP part numbers A 3 approvals backplane Basic mode strap setting using one power source one cable brackets installation 2 21 2 21 2 29 Index carri
12. this phenomenon exists and if necessary implement corrective action prior to interconnecting the products In addition if the equipment is to be used with telecommunications circuits take the following precautions Never install telephone wiring during a lightning storm Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric shock from lightning Do not use the telephone to report a gas leak in the vicinity of the leak 3000 A2 GB41 40 May 1998 B COMSPHERE 48 Vdc Central Office Power Unit Notices A WARNING This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency 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 to
13. 1 1 Central Office CO Power Unit with One Power Module CO Power Unit Backplane Left Power Module Power Module Handle Captive Screws CO Power Captive Power Tray Screws Module Handle 98 13694 01 Figure 1 2 Central Office CO Power Unit with Two Power Modules 3000 A2 GB41 40 May 1998 1 3 COMSPHERE 48 Vdc Central Office Power Unit Technical Specifications Technical specifications for the CO Power Unit which includes one power module are listed in Table 1 1 Table 1 1 1 of 2 Technical Specifications for Central Office CO Power Unit Technical Specifications Criteria ENVIRONMENT Operating Temperature Relative Humidity Storage Temperature Shock and Vibration 32 F 0 C to 122 F 50 C See the Installation Considerations section in Chapter 2 for additional operating temperature limits 5 to 95 noncondensing 4 F 20 C to 158 5F 70 C Withstands normal shipping and handling POWER REQUIREMENTS CO Power Unit with 16 fully equipped 3611 DSUs in the carrier CO Power Unit with 16 fully equipped 3151 CSUs in the carrier CO Power Unit with 16 fully equipped 3161 DSU CSUs in the carrier 60 Vdc to 40 Vdc 4 5 amps maximum 60 Vdc to 40 Vdc 2 3 amps maximum 60 Vdc to 40 Vdc 4 8 amps maximum HEAT DISSIPATION MAX AT 48 Vdc CO Power Unit with 16 fully equipped cards in the carrier 160 watts CO Po
14. air filter brackets take up an additional 0 6 inches 1 5 cm in height and if mounted on one of the carriers in the COMSPHERE 72 inch cabinet 4000 B2 201 then only five carriers can be installed in the cabinet instead of the usual six To install the air filter and brackets gt Procedure 1 Raise the carrier 0 6 inches from the bottom of the cabinet or above the carrier below it 2 Fasten the two identical brackets to the bottom of the CO power tray using the four 6 Phillips head screws provided See Figure 2 11 3 Place the air filter with the grill side face up on the guides of the brackets and slide the air filter in place If you were directed to this section during the CO Power Unit Installation procedure then return to that procedure now 2 20 May 1998 3000 A2 GB41 40 Installation 6 PHILLIPS HEAD SCREWS AIR FILTER BRACKET AIR 6 FILTER PHILLIPS HEAD BRACKET SCREWS BOTTOM VIEW OF 491 13697 CO POWER TRAY Figure 2 11 Air Filter Brackets Installation 3000 A2 GB41 40 May 1998 2 21 COMSPHERE 48 Vdc Central Office Power Unit 2 22 May 1998 3000 A2 GB41 40 Troubleshooting and Maintenance OVEIVICW 0 505 biked Se Sa ew aS ee ee Indicators and Controls lt i ie since secs ais TroubleshOoung oiea sce pe elewa anaes Power Module Replacement Instructions Preventive Maintenance 2 5 063iocc da as eae Overview This chapter describes the stat
15. ctions section in Chapter 3 of this guide When the power modules are configured for Redundant mode of operation up to four carriers can be mounted in a cabinet and meet the stated maximum temperature operating limits of 50 C The reduction of carriers per cabinet is necessary to compensate for the loss of cooling capability if one of the power modules fails If the operating temperature limit in the room is less than 45 C then up to five carriers can be mounted in a cabinet If the operating temperature limit in the room is less than 40 C then up to six carriers can be mounted in a cabinet The 48 Vdc input can be provided in one of three power options e Using one 48 Vdc power source and one fused input power cable e Using one 48 Vdc power source and two fused input power cables e Using two separate 48 Vdc power sources and two fused input power cables The second power option is more reliable than the first power option because it protects the CO Power Unit against a short circuit failure in the input circuit of one power module from interrupting the power source to the other power module However the third power option is the most reliable for the Redundant mode of operation because it protects against short circuit and input power failures For more information on these powering options see the Providing Power to a CO Power Unit section To change the mode of operation see the Setting the Option Straps sect
16. ds to be remounted on this carrier you must remove the handle on the new power module and install a nylon cable tie prior to installing the power module Also if installing a new power module into the left side of the power unit hold the SDCP ribbon cable to the left of the power module when sliding the power module into the CO Power Unit Once the power module is installed and proper operation is verified then the SDCP can be mounted Preventive Maintenance In normal environments you should inspect and or replace the optional air filter part number 3000 F 1 020 every three months 3 4 May 1998 3000 A2 GB41 40 Interface Connections OVERVIEW 265 5 Peed Mek des Saeed oe DCO TDU ae ee eR eee er CO Alarm System Outputs NMS Alarm Outputs coerceri eier ecri erwi Overview This appendix provides pin assignments for the dc input connectors and alarm output connectors It also provides illustrations of the connectors on the rear of the CO Power Unit and an NMS alarm adapter cable OE E cate E PAA E EEEE I EE A 1 E EEEE A 5 A 1 A 4 DC Inputs A pair of 2 pin AMP connectors on the CO Power Unit s backplane provides an interface between the dc power input cable and the CO Power Unit see Figure A 1 Table A 1 lists the pin assignments for the dc inputs 3000 A2 GB4 1 40 May 1998 A 1 COMSPHERE 48 Vdc Central Office Power Unit Network P6 Management onnector Con
17. e 2 3 NOTE The appropriate option strap settings must be set For the correct settings see the Setting the Option Straps section earlier in this guide To provide power to the CO Power Unit operating in the Redundant mode gt Procedure Use the two connector housings AMP part number 1 480698 0 and four crimp type contacts AMP part number 350550 1 to attach the connector s to your 48 Vdc power input cable s Note that you need a hand crimping tool AMP part number 90296 2 or equivalent to build the connector s The contacts are crimp type and are intended for use with 20 AWG through 14 AWG wire with a maximum insulation diameter of 130 inches For additional information see Appendix A of this guide Provide external fusing if desired The fuses shown in Figures 2 5 2 6 and 2 7 are optional as per your requirements An optional fuse should have a rating of 6 amperes 250 volts and be a fast acting type Use a fuse similar to Littlefuse 312006 2 12 May 1998 3000 A2 GB41 40 Installation If you have one input power cable and one 48 Vdc power source plug the input power cable to either the 48VDC A connector or the 48VDC B connector See Figure 2 5 The option strap settings for this power option are listed in Table 2 4 If you have two input power cables and one 48 Vdc power source plug one input power cable to the 48VDC A connector and the second in
18. er rear 2 11 CO power unit with one power module with two power modules CO power unit installation 2 4 2 9 2 10 physical dimensions 1 4 providing power rear weight with one power module with two power modules connecting alarm contacts to alarm system NMS NMS adapter cable EIA 232 V35 connecting alarm contacts to NMS connector housing and contact controls de inputs pin assignments depth air filter CO power unit power module 1 4 3000 A2 GB41 40 May 1998 Index 1 COMSPHERE 48 Vdc Central Office Power Unit EJA 232 interface connect enhanced support services environment equipment service warranty support features heat dissipation 1 4 height air filter CO power unit power module humidity 1 4 ing NMS adapter cable 2 19 Independent mode 2 2 strap settings using one power source two cables 2 15 using two power sources 2 14 indicators LED status inputs dc installation air filter and brackets brackets 2 22 CO power unit 2 4 considerations Basic mode Independent mode 2 2 Redundant mode spDcP 2 16 second power module 2 4 instructions power module replacement J jumpers 2 18 LED status indicators maintenance preventative mode Basic Independent I 2 Redundant NMS adapter cable connecting pin assignments alarm outputs A 5 o
19. erate in Independent mode and you plan to use either one or two 48 Vdc power sources configure the option straps as shown in Table 2 3 Table 2 3 Settings for Independent Mode S1 Raised S2 Raised S3 Raised S4 Raised S5 Raised To set the option straps for Independent mode of operation gt Procedure 1 Loosen the screws on all five straps S1 through S5 on the CO Power Unit s backplane so that the screws are not touching the contacts Two complete turns will suffice Redundant Mode One Source One Cable If you want to operate in Redundant mode and you plan to use a single 48 Vdc power source and a single input power cable configure the option straps as shown in Table 2 4 Table 2 4 Settings for Redundant Mode Using a Single 48 Vdc Power Source and a Single Input Power Cable S1 Lowered S2 Lowered S3 Lowered S4 Lowered S5 Lowered To set the option straps for Redundant mode of operation using a single 48 Vdc power source and a single input power cable gt Procedure 1 Tighten the screws on all five straps S1 through S5 on the CO Power Unit s backplane Make sure that the screws are securely touching the contacts but do not screw the straps too tight because doing so can damage the equipment Redundant Mode Two Cables If you want to operate in Redundant mode and you plan to use either a single 48 Vdc power sou
20. et 5 10 11 12 13 are used Maximum Ambient 3551 and 3611 DSUs 3551 3611 and 3616 Temperature without DBMs 3511 DSUs with DBMs and 3161 DSU CSUs DSUs 3151 and CSUs2 3811 Modems2 122 F 50 C 4 2 See Note 4 113 F 45 C 5 3 13 2 104 F 40 C 6 4 3 95 F 35 C 6 5 4 86 F 30 C 6 5 5 77 F 25 C 6 6 6 NOTES 1 These operating ambient temperatures can be increased by 5 C by placing 3161 DSU CSUs in cooler slots 2 3 4 5 10 11 12 13 or by leaving a slot empty next to each 3161 DSU CSU 2 Use the strictest cooling requirements when there is a mixture of units installed 3 Requires a power module on each side otherwise the ambient temperature must be restricted to 35 C 4 A single carrier equipped with two power modules can operate at 50 C provided the cooler slots 2 3 4 2 2 May 1998 3000 A2 GB41 40 Installation Redundant Mode of Operation In the Redundant mode of operation both power modules share the load that is both modules supply power to all slots in the carrier If one power module fails the remaining power module assumes the full load of the carrier Operation of the CO Power Unit continues but it is recommended that you replace the failed power module as soon as possible Do not remove a failed power module until a replacement is available For instructions on how to replace a power module see the Power Module Replacement Instru
21. gle row header The mating connector is an AMP MTE type connector part number 103957 4 The CO alarm system outputs are relay contact closures Table A 3 lists the pin assignments for the CO alarm system outputs Table A 3 Pin Assignments for the CO Alarm System Outputs Pin Number Assigned To 1 Major Alarm power failure 2 Major Alarm power failure 3 No Connection 4 Minor Alarm fan failure 5 Minor Alarm fan failure A contact closure is provided between Pin Numbers 1 and 2 to indicate a power failure A contact closure is provided between Pin Numbers 4 and 5 to indicate a fan failure Note that a major alarm signal is sent to a CO alarm system upon a failure in either the 48V input or low voltage output circuits and that a minor alarm signal is sent if the fan speed falls below 1900 rpm CAUTION The relay contacts on the CO Power Unit for the CO alarm system have a rating of 0 1 amp maximum at 70 Vdc maximum A 4 May 1998 3000 A2 GB41 40 Interface Connections NMS Alarm Outputs voltage output circuits and that a fan failure alarm signal is sent if the fan speed falls below 1900 rpm CO alarms can be sent to a Modular 3611 DSU which will then notify a 6800 Series NMS via a 6 wire modular jack on the CO Power Unit s backplane see Figure A 1 The Modular 3611 DSU must be configured to forward alarms to a 6800 Series NMS Table A 4 lists the pin
22. ing power module assumes the full load of the carrier To operate in this mode of operation you must install an optional second power module in the CO Power Unit Independent mode the mode in which each of the two power modules supplies power to one half of the carrier To operate in this mode of operation you must install an optional second power module in the CO Power Unit e Provides forced air cooling for the carrier via a 48 Vdc fan in the power module e Provides an optional air filter which prevents dust from entering the CO Power Unit and the COMSPHERE 3000 Series Carrier e Detects power module and fan failures by monitoring the power output levels and the fan s low speed sensor for proper operation of the power module When a failure occurs an alarm indication light appears on the power module s faceplate e Sends power failure and or fan failure alarms to a CO alarm system and or a 6800 Series NMS via a Modular 3611 DSU Figure 1 1 illustrates the CO Power Unit with one power module in the left side of the CO power tray In Basic mode the single power module can be installed in either the left or right side of the CO power tray Figure 1 2 illustrates the CO Power Unit with two power modules 1 2 May 1998 3000 A2 GB41 40 Introduction CO Power Unit Backplane Power Module Fan Power Module Handle a 98 13758 01 Captive Screws Captive CO Power Screws Tray Figure
23. ion Alarm Forwarding to a 6800 Series NMS In order to send power module failure and fan failure alarm signals to a 6800 Series NMS you must have a Modular 3611 DSU configured to forward alarms to a 6800 Series NMS and an NMS adapter cable Model 3151 CSUs and Model 3161 DSU CSUs do not support this feature When these components are properly configured and alarm conditions occur alarm signals are sent to the 3611 DSU and then routed to the 6800 Series NMS where an alarm event is reported to the NMS operator Remember you can also use a nonmodular Model 3611 DSU but you must build your own adapter cable to connect Pin 9 of the EIA 25 pin male connector to Pin 6 of the modular plug for the 12 Vdc source Pin 19 of the EIA 25 pin male connector to Pin 2 of the modular plug for the fan alarm and Pin 23 of the EIA 25 pin male connector to Pin 1 of the modular plug for the power alarm For the Basic or Independent mode of operation the Modular 3611 DSU configured for alarm forwarding must be installed in a different carrier in the cabinet that is a carrier in the cabinet other than the one you want to manage This arrangement enables you to send alarms to the 6800 Series NMS even if one of the CO Power Unit s power modules fails If the Modular 3611 DSU is installed in the same carrier a power module failure will disrupt alarm forwarding to the 6800 Series NMS In the Independent mode of operation a power module failure di
24. ional air filter Appendix A contains interface connector pin assignment information The Glossary provides definitions for acronyms and product specific terms used in this guide The Index lists key terms acronyms concepts and sections in alphaorder Related Documents 3000 A2 GA31 COMSPHERE 3000 Series Carrier Installation Manual Contact your sales or service representative to order additional product documentation Paradyne documents are also available on the World Wide Web at http www paradyne com Select Service amp Support gt Technical Manuals 3000 A2 GB4 1 40 May 1998 COMSPHERE 48 Vdc Central Office Power Unit vi May 1998 3000 A2 GB41 40 OVERVIEW cick traded oe haha diee wed ebe cea oats eels PRACT meneri sistant ele Sarre ve nian BAGG Seat acou scene ERAS Technical Specifications ciel uke see ene bale ees Equipment Warranty and Support 0000 Overview The COMSPHERE 48 Vdc Central Office CO Power Unit is designed to provide low voltage dc power to any data communication equipment DCE operating in a COMSPHERE 3000 Series Carrier The 48 Vdc CO Power Unit hereafter referred to as the CO Power Unit consists of the following components e One CO power tray with mounted backplane e One power module e Two backplane connector cable assemblies e Two air filter brackets e One installation kit which includes the following Two dc input connecto
25. module refer to Figure 3 2 NOTE The power module replacement procedure contained in this section must be performed by a qualified service person gt Procedure 1 Make sure the new power module is configured with the same option settings as the failed power module To set the option straps see the Setting the Option Straps section in Chapter 2 2 If an SDCP is not associated with this carrier and the power modules faceplates are visible loosen the two captive screws on the front of the failed power module Remove the failed power module from the CO power tray by holding onto the power module handle and sliding the power module out G00 lE00 00 98 13683 01 Figure 3 2 Replacing a Power Module 3000 A2 GB41 40 3 3 COMSPHERE 48 Vdc Central Office Power Unit If an SDCP is mounted on this carrier remove the SDCP by loosening the two captive screws and disconnecting the SDCP cable Set the SDCP aside for mounting later on Loosen the two captive screws on the failed power module Then remove the failed power module from the CO power tray by holding onto the nylon cable tie and sliding the power module out When the failed power module is removed place the new power module in the card guides and slide the power module to the rear of the carrier Then tighten the two captive screws on the bottom of the power module s faceplate Remember if an SDCP nee
26. n the Redundant mode and one of the power module s Power LED is red try resetting the power module by removing the power module and then reinstalling it If the Power LED remains red you should replace the power module In addition if the Fan Alarm LED is yellow try resetting the power module If the Fan Alarm LED remains yellow you should replace the power module In all modes of operation if the Power LED is not lit check the input power source and external fuses before replacing the power module If 48V is present at the input connector replace the power module If 48V is not present check your distribution system 3 2 May 1998 3000 A2 GB41 40 Troubleshooting and Maintenance Power Module Replacement Instructions If the power module fails you should replace it immediately In the Redundant mode of operation you can replace a failed power module without disrupting service to the carrier In the Independent mode of operation you will only disrupt service to one half of the carrier the affected half CAUTION In any mode of operation Basic Independent or Redundant you must have either one power module and cover plate or two power modules in the CO Power Unit at all times Do not remove a defective power module until a replacement is available Leaving half of the CO Power Unit exposed is a safety hazard CI Power Module Handle or Nylon Cable Tie To replace a power
27. ne power source operating temperature option straps location on backplane on power module 2 7 setting 2 6 out of warranty outputs alarm system A 4 pin assignments NMS alarm A 5 Index 2 May 1998 3000 A2 GB41 40 Index part numbers AMP physical dimensions 1 4 pin assignments alarm system outputs A 4 dc inputs A 2 NMS adapter cable A 5 power module physical dimensions 1 4 replacement requirements to CO power unit preventative maintenance providing power 2 1 Redundant mode strap settings using one power source one cable using one power source two cables using two power sources 2 14 relative humidity 1 4 replacement power module replacing power module requirements power SDCP installation 2 16 second power module installation teli setting option straps shock status indicators LED 3 1 storage temperature strap settings Basic mode 2 6 Independent mode Redundant mode straps setting 2 6 support services system outputs alarm technical specifications temperature 1 4 ambient troubleshooting 3 1 3 2 two power sources UL 1 5 V 35 interface connecting NMS adapter cable vibration warranty weight air filter CO power unit power module width air filter CO power unit 1 4 power module 3000 A2 GB41 40 May 1998 Index 3
28. nector Connector 48 Vdc A Pi Vdc B Connector onnector 48 Vdc Common Common 48 Vdc Alarm Alarm 496 13699 01 B A Figure A 1 CO Power Unit Rear The backplane connector is a Universal MATE N LOK connector AMP part number 350428 1 The corresponding supplied connector housing is also a Table A 1 Pin Assignments of the DC Inputs Pin Number Assigned To Universal MATE N LOK connector AMP part number 1 480698 0 Table A 2 lists AMP part numbers 1 48V for the individual contacts that can be used for various wire sizes Figure A 2 illustrates the connector housing 2 48V CO ground return and contact A 2 May 1998 3000 A2 GB41 40 Interface Connections Table A 2 AMP Part Numbers Wire Size Insulation Diameter Contact Number 24 18 AWG 04 10 350689 1 20 14 AWG 06 13 350550 1 1 20 14 AWG 13 20 350551 1 12 10 AWG 20 max 640310 3 1 Six contacts are provided in the installation kit Pa Connector Housing Contact 496 13674 01 Figure A 2 Connector Housing and Contact 3000 A2 GB41 40 May 1998 COMSPHERE 48 Vdc Central Office Power Unit CO Alarm System Outputs Both major power and minor fan alarms can be sent to the CO alarm system via the Alarm A and Alarm B output connectors Figure A 1 illustrates these connectors The connector on the CO Power Unit s backplane is an AMP 5 position sin
29. nnector plate Tighten the screws to hold To connect the alarm contacts to the external leads of a Modular 3611 DSU configured for alarm forwarding gt Procedure the cable in place Then attach the ferrite choke to 1 At the rear of the carrier plug the 6 wire modular the NMS adapter cable Plug the EIA 232 cable plug end of the NMS adapter cable into the J1 into the DB25 female end of the NMS adapter connector a 6 position modular jack on the CO cable Tighten the screws to hold the cable in Power Unit s backplane see Figure 2 9 place See Figure 2 9 2 If there is an EIA 232 cable on the top connector labeled EIA232 V 24 of a Modular 3611 DSU s o o o o o o o Q Fa OUI Q nina S o CL _j OJ e oe C J LC o KE fo e a OO Pe CLO amp E NETWORK MANAGEMENT o o o o o o o o CONNECTOR o ry 5 7 fo WWI nean ant CONNECTOR eT KY of ted God Pe Ged ts lt PLATE FORA o l N 2 MODULAR i l iz 3611 DSU rs Le o o o o FERRITE CHOKE NMS ADAPTER ti oa o CABLE mmm 4 C HYE a A S EIA 232 CABLE 491 13684 Figure 2 9 Connecting an NMS Adapter Cable to a Modular 3611 DSU When the DTE Interface is EIA 232 2 18 May 1998 3000 A2 GB41 40 Installation 3 If there is a V 35 cable on the bottom connector connector of the rear connector plate Note that the labeled V 35 3600 3500
30. odule by using a small Phillips head screwdriver to loosen the screws behind the power module s faceplate BOTTOM SCREW HOLE SHARED DIAGNOSTIC CONTROL PANEL TOP 497 13757 02 SDCP CAPTIVE Figure 2 8 Installing the SDCP 3000 A2 GB41 40 May 1998 2 15 COMSPHERE 48 Vdc Central Office Power Unit 3 Secure a nylon cable tie in the handle mounting holes 4 Place the power module in the card guides and slide the power module to the rear of the carrier When sliding the left power module into the CO Power Unit hold the SDCP ribbon cable to the left of the power module Then tighten the two captive screws on the front of the power module see Figure 2 3 5 Ifthe CO Power Unit has an optional second power module repeat Steps 2 through 4 for the right power module and proceed to the next step 6 Attach the SDCP ribbon cable to the back of the SDCP as shown in Figure 2 8 7 Mount the SDCP to the front of the carrier by securing the two top captive screws of the SDCP into the two bottom screw holes of the carrier Connecting the Alarm Contacts to a CO Alarm System The CO Power Unit monitors the power output levels and the fan s low speed sensor for proper operation of the power module Both major power failure and minor fan failure alarms can be sent to a CO alarm system A major alarm is sent to a CO alarm system if a power failure occurs in either the 48V input or low
31. or return instructions using one of the following methods e Via the Internet Visit the Paradyne World Wide Web site at http www paradyne com e Via Telephone Call our automated call system to receive current information via fax or to speak with a company representative Within the U S A call 1 800 870 2221 Outside the U S A call 727 530 2340 If the trouble is causing harm to the telephone network the telephone company may request that you remove the equipment from the network until the problem is resolved 3000 A2 GB41 40 May 1998 1 5 COMSPHERE 48 Vdc Central Office Power Unit 1 6 May 1998 3000 A2 GB41 40 Installation OVERVIEW boi es sent rera e anaa ee Ra Pass EE sees ebay ah bebe tie ceed eels 2 1 melanom Consideran z siirros aink e E E EEE AAN AEA 2 1 Basic Mode of Operation oo rrogo s iieii a aA E AREE ip AE EE E E EE ASE E a 2 1 Independent Mode Of OpefalOn o sscis c dca siaeee a ak e BASS ae GRRE See RE 2 2 Redundant Mode OF Operation 225 cach deed tds dee act kE i da react pao aed Dace eee ate Sans 2 3 Alarm Forwarding toa 6800 Senes NMS 22 36 ade da pia R Ban aid eee 2 3 CO Power Unit Installation i pests eini ati ates iiie A E E E EE E EE 2 4 Installing the Optional Second Power Module 0 0 rinira eian a tenes 2 4 DEMIS Me ODIOS MAPS 4 i saccade esi a e E eE D sesad i Mh ata gubaete aS 2 6 Installing the CO Power Unit oi ecsccecs ass aoc ee ee Hee tt trinis RRS oa ERE
32. oting and Maintenance Overview Indicators and Controls Troubleshooting Preventive Maintenance A Interface Connections Glossary Index Power Module Replacement Instructions May 1998 3000 A2 GB41 40 Figure Page 1 1 Central Office CO Power Unit with One Power Module 4 1 3 1 2 Central Office CO Power Unit with Two Power Modules 5 1 3 2 1 Installing the Optional Second Power Module 20000005 2 5 2 2 Option Straps S1 through S5 on the CO Power Unit s Backplane 2 6 2 3 COPower Unit Installation 005 004 0caaee ia yeaheah eee aes 2 9 2 4 COMSPHERE 3000 Series Carrier Rear 2 0 0 0 0 cee eee ee eee eee 2 10 2 5 Using One Power Source and One Input Power Cable for Basic shown or Redundant Moder 24 2 cn cathe ai heed heise ted eed oh ware tna eee ea eal an eh 2 11 2 6 Using Two Separate Power Sources for Independent Mode or Redundant Mode 2 13 2 7 Using One Power Source and Two Input Power Cables for Independent Mode or Redundant Mode 4 2 2di dss redee SM aus hd Sed Se eho Ses eae EESE 2 14 2 8 Installnp the SDCP oc ives deed daw Sowa Rae oe Semen ane e bane eG 2 15 2 9 Connecting an NMS Adapter Cable to a Modular 3611 DSU When the DTE Interface MS VAC Z oe a ais CGS catted a SEES Bw GSS ee i 2 18 2 10 Connecting an NMS Adapter Cable to a Modular 3611 DSU When the DTE Interface MS GOSS cil N aia ashe athens Bates oes wetted
33. put power cable to the 48VDC B connector Then connect both input power cables to your single 48 Vdc power source See Figure 2 7 The option strap settings for this power option are listed in Table 2 5 If you have two power cables and two separate 48 Vdc power sources e g Source A and Source B plug one input cable from a 48 Vdc power source e g Source A to the 48VDC A connector Plug an input power cable from a different 48 Vdc power source e g Source B to the 48VDC B connector See Figure 2 6 The option strap settings for this power option are listed in Table 2 5 Optional 48 Vdc B Fuse Ground Return 48V GRD 48 Vdc Power Source B 48 Vdc A Ground Return Optional Fuse 48V GRD 48 Vdc Power Source A 496 13675 01 Figure 2 6 Using Two Separate Power Sources for Independent Mode or Redundant Mode 3000 A2 GB41 40 May 1998 2 13 COMSPHERE 48 Vdc Central Office Power Unit tA EN L O a AA EN T o LJ L o X o C _ L o gt da E V co 2 _48 Vd B 48 Vdc A Ground Returns Optional Fuses 48V GRD 48 Vdc Power Source A 496 13676 01
34. r housings and six contacts for the customer supplied dc input cable Four air filter bracket screws Two nylon cable ties You must supply the following related components e A second power module if desired e One or two 48V power input cables The required number of input cables depends upon your configuration e One air filter if needed Introduction EE PEEN E EREET E EA EET OE E 1 4 Alarm cables and NMS adapter cable if needed These components are used to connect the CO Power Unit to a CO alarm system and or a COMSPHERE 6800 Series Network Management System NMS through a Modular 3611 Data Service Unit DSU A Modular 3611 DSU has a row of contacts on the rear edge of the circuit card and is shipped with a rear connector plate The rear connector plate allows the removal of a Modular 3611 DSU from the front of the carrier without first disconnecting the DTE cables at the rear of the carrier The NMS adapter cable is only compatible with the Modular 3611 DSU For more information on the Modular 3611 DSU see the COMSPHERE 3600 Series Data Service Units Models 3610 and 3611 Operator s Guide The total number of components required depends upon your configuration The ACCULINK 3151 CSUs and 3161 DSU CSUs do not support forwarding of CO Power Unit alarms to a 6800 Series NMS The CO Power Unit can send alarms to a CO alarm system and a 6800 Series NMS simultaneously To connect to a CO alarm system
35. rce and two input power cables or two separate 48 Vdc power sources and two input power cables configure the option straps as shown in Table 2 5 Table 2 5 Settings for Redundant Mode with Either a Single Power Source and Two Input Power Cables or Two Separate Power Sources and Two Input Power Cables S1 Lowered S2 Lowered S3 Lowered S4 Raised S5 Raised To set the option straps for Redundant mode of operation with either a single power source and two input power cables or two separate power sources and two input power cables gt Procedure 1 Tighten the screws on the S1 S2 and S3 straps on the CO Power Unit s backplane Do not screw the straps too tight because doing so can damage the equipment Make sure that the screws are securely touching the contacts Then loosen the screws on the S4 and S5 straps Two complete turns will suffice NOTE In either Independent or Redundant mode of operation the S4 and S5 straps on the backplane must be raised loosened when two separate 48 Vdc power sources are used to prevent operational problems and voltage incompatibilities 3000 A2 GB41 40 May 1998 2 7 COMSPHERE 48 Vdc Central Office Power Unit Installing the CO Power Unit If installing an SDCP in the carrier in which you plan to install a CO Power Unit be sure to install the SDCP ribbon cable that provides power to the SDCP before installing the CO Po
36. s corrected the problem If a three wire grounding type power source is not available consult a qualified electrician to determine another method of grounding the equipment Slots and openings in the cabinet are provided for ventilation To ensure reliable operation of the product and to protect it from overheating these slots and openings must not be blocked or covered Do not allow anything to rest on the power cord and do not locate the product where persons will walk on the power cord Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous high voltage points or other risks Refer all servicing to qualified service personnel General purpose cables are provided with this product Special cables which may be required by the regulatory inspection authority for the installation site are the responsibility of the customer When installed in the final configuration the product must comply with the applicable Safety Standards and regulatory requirements of the country in which it is installed If necessary consult with the appropriate regulatory agencies and inspection authorities to ensure compliance A rare phenomenon can create a voltage potential between the earth grounds of two or more buildings If products installed in separate buildings are interconnected the voltage potential may cause a hazardous condition Consult a qualified electrical consultant to determine whether or not
37. s do not support forwarding of CO Power Unit alarms to a 6800 Series NMS To access these external leads use an NMS adapter cable to connect the external leads of a Modular 3611 DSU to the CO Power Unit This section describes the three modes of operation and provides information you need to know in order to send alarms to a 6800 Series NMS Basic Mode of Operation The CO Power Unit with one power module operates in Basic mode In this mode of operation the single power module supplies power to the entire carrier When stacking multiple carriers equipped with CO Power Units with single power modules you must install the power module in each of the CO Power Units in alternating sequence that is left side right side left side right side etc for proper cooling For example if the CO Power Unit in the bottom carrier has its power module installed in the left side of the CO power tray the carrier 3000 A2 GB41 40 May 1998 2 1 COMSPHERE 48 Vdc Central Office Power Unit directly above the bottom carrier should have its power module installed in the right side of its CO power tray Then the next carrier directly above should have its power module installed in the left side of its CO power tray and so on for the remainder of the carriers in the cabinet For information on removing and installing a power module see the Power Module Replacement Instructions section in Chapter 3 With the power modules placed in alterna
38. srupts service to one half of the carrier If that half of the carrier contains the Modular 3611 DSU configured for alarm forwarding then the DSU is inoperable and is unable to forward alarms NOTE In the Redundant mode of operation you may want to install the Modular 3611 DSU configured for alarm forwarding in a different carrier in the cabinet in the unlikely event of a double power module failure For information on connecting the CO Power Unit to a 6800 Series NMS see the Connecting the Alarm Contacts to a 6800 Series NMS section 3000 A2 GB41 40 May 1998 2 3 COMSPHERE 48 Vdc Central Office Power Unit CO Power Unit Installation The CO Power Unit is installed at the bottom of the carrier You will need a large flat blade screwdriver to install the CO Power Unit and a medium flat blade screwdriver to set the option straps NOTE If you plan to use two power modules in your CO Power Unit you must install the second power module before proceeding to Step 1 See the nstalling the Optional Second Power Module section The following is an overview of the CO Power Unit installation procedure gt Procedure 1 Set the option straps on the CO Power Unit s backplane to the desired mode of operation See the Setting the Option Straps section If your CO Power Unit has a single power module you do not need to set the option straps The option straps are factory set for
39. t configure the Modular 3611 DSU for alarm forwarding by setting the appropriate jumpers To do this remove the Modular 3611 DSU from the carrier and set Jumpers J20 and J21 for Model 3611 B3 or Jumper E5 and Switch S1 2 for Model 3611 B4 as shown in Table 2 6 Table 2 6 Jumper Settings Setting to Enable Jumper or 48 Vdc Alarm Model Switch Monitoring 3611 B3 Jumper J20 Left 3611 B3 Jumper J21 Left 3611 B4 Jumper E5 Left 3611 B4 Switch S1 2 On After setting the jumpers reinstall the Modular 3611 DSU in the carrier Then set the firmware configuration External Leads Ext Leads in the General branch parameter as shown Ext Leads RPowr NOTE Remember for Basic or Independent mode of operation the Modular 3611 DSU configured for alarm forwarding must be installed in a different carrier that is a carrier in the cabinet other than the one you want to manage This arrangement ensures that all alarm signals are forwarded even if power has disrupted service to the carrier For Redundant mode of operation you may want to install the Modular 3611 DSU in a different carrier in the unlikely event of a double power module failure 3000 A2 GB41 40 May 1998 2 17 COMSPHERE 48 Vdc Central Office Power Unit rear connector plate remove the ferrite choke and the EIA 232 cable Plug the DB25 male end of the NMS adapter cable into the top connector of the rear co
40. t lit try resetting the power module Reset the power module by removing the power module and then reinstalling it If the Power LED remains red after resetting the power module you should replace the power module Do not remove the failed power module until a replacement power module is available If the power LED is red and the DCEs appear to be working schedule maintenance for the power module after peak hours at which time you can try resetting the power power module and or replacing it If the Fan Alarm LED is yellow and the DCEs in the carrier appear to be working you may want to schedule maintenance after peak hours If operating in the Independent mode and one of the power module s Power LED is red check the DCEs in the carrier e Ifthe LEDs on the DCEs above the power modules are not lit try resetting the power module Reset the power module by removing the power module and then reinstalling it If the Power LED remains red after resetting the power module you should replace the power module Do not remove the failed power module until a replacement power module is available e Ifthe DCEs appear to be working schedule maintenance for the power module after peak hours at which time you can try resetting the power module and or replacing it Also in Independent mode if the Fan Alarm LED is yellow and the DCEs in the carrier appear to be working you may want to schedule maintenance after peak hours If operating i
41. the Basic mode of operation However you should compare the option strap setting on backplane to the strap settings listed in Table 2 2 in the Setting the Option Straps section to ensure correct settings 2 Install the CO Power Unit into the carrier See the Installing the CO Power Unit section 3 Provide power to the CO Power Unit See the Providing Power to a CO Power Unit section 4 Install the Shared Diagnostic Control Panel SDCP on the carrier in which you installed the CO Power Unit if desired See the nstalling an SDCP section 5 Connect the alarm contacts for the CO Power Unit to a CO alarm system and or a Modular 3611 DSU if desired See the Connecting the Alarm Contacts to a CO Alarm System section or the Connecting the Alarm Contacts to a 6800 Series NMS Via a Modular 3611 DSU section Steps 4 and 5 are optional Installing the Optional Second Power Module You can order a second power module for your CO Power Unit This additional power module allows you to choose between two modes of operation Redundant or Independent You must install the optional second power module into the CO power tray before installing the CO Power Unit into the carrier To install the optional second power module gt Procedure 1 Remove the coverplate by loosening the two captive screws on the bottom of the coverplate 2 Place the second power module in the card guides on the right side of the CO power tray as vie
42. the side of the CO power tray see Figure 2 3 The SDCP ribbon cable is connected to the back of the SDCP after the CO Power Unit is installed Connect the ground strap to the nearest solid frame ground point e g the rails on which the carrier is mounted Do not connect the ground strap to the carrier 2 8 May 1998 3000 A2 GB41 40 Installation Built in Retainer Clips Space Between CO Power ee Tray and Tray Power Module Left Power Module 496 13681 02 Figure 2 3 CO Power Unit Installation 3 At the rear of the carrier use a large flat blade 4 Plug one backplane connector cable assembly screwdriver to engage and tighten the two captive from the P20 connector on the carrier s backplane screws that fasten the CO Power Unit to the to the P6 connector on the CO Power Unit s carrier backplane Then plug the second backplane connector cable assembly from the P19 connector on the carrier s backplane to the P3 connector on the CO Power Unit s backplane The backplane connector cable assemblies enable a backplane to backplane connection which provides low voltage dc power to the carrier see Figure 2 4 3000 A2 GB41 40 May 1998 2 9 COMSPHERE 48 Vdc Central Office Power Unit
43. ting sequence the maximum operating ambient temperatures listed in Table 2 1 are permitted Independent Mode of Operation In the Independent mode of operation the left power module as viewed from the front of the carrier powers Slots 1 through 8 of the carrier and the right power module powers Slots 9 through 16 of the carrier The Shared Diagnostic Unit SDU contained in Slot 0 is powered by both power modules If a power module fails only the service to that side of the carrier is disrupted The other side of the carrier is unaffected Do not remove a failed power module until a replacement is available To replace a power module see the Power Module Replacement Instructions section in Chapter 3 of this guide When the power modules are configured for Independent mode of operation up to six carriers can be mounted in a cabinet The maximum ambient temperature is 50 C The 48 Vdc input can be provided in one of two powering options e Using two separate 48 Vdc power sources and two input power cables e Using one 48 Vdc power source and two input power cables For maximum reliability use the first option For more information on these powering options see the Providing Power to a CO Power Unit section To change the mode of operation see the Setting the Option Straps section Table 2 1 Maximum Ambient Temperatures Permitted Allowable Number of Stacked COMSPHERE 3000 Series Carriers in a Cabin
44. ulation diameter of 130 inches For additional information see Appendix A of this guide Provide external fusing if desired The fuse shown in Figure 2 5 is optional as per your requirements The optional fuse should have a rating of 6 amperes 250 volts and be a fast acting type Use a fuse similar to Littlefuse 312006 Plug the input power cable to either the 48VDC A connector or the 48VDC B connector See Figure 2 5 The option strap settings for this power option are listed in Table 2 2 2 10 May 1998 3000 A2 GB41 40 Installation 48 Vdc A Ground Return 48 Vdc B Optional Fuse 48V GRD 48 Vdc Power Source A 496 13755 01 Figure 2 5 Using One Power Source and One Input Power Cable for Basic shown or Redundant Mode 3000 A2 GB41 40 May 1998 2 11 COMSPHERE 48 Vdc Central Office Power Unit NOTE The option straps must be set for the Independent mode of operation For the correct settings see the Setting the Option Straps section earlier in this guide To provide power to the CO Power Unit operating in Independent mode gt Procedure 1 Use the two connector housings AMP part number 1 480698 0 and four crimp type contacts AMP part number 350550 1 to attach the connector s to yo
45. ule in the CO Power Unit supplies power to the entire carrier The rack mounting that contains 17 slots 1 control slot and 16 DSU or modem slots A device such as a DSU that provides an interface between a DTE device and a digital or analog network Also called data circuit terminating equipment A DCE device that interprets interfaces and provides timing and signal control between a DTE device and a digital network A computer or peripheral device such as a terminal or printer a data source or sink A mode of operation in which each power module in the CO Power Unit supplies power to one half of the carrier Light emitting diode A light or status indicator on the front panel that glows in response to the presence of a certain condition e g Fan Alarm A circuit card that contains gold finger contacts on its rear edge A modular DSU can be removed from the front of the carrier without disturbing the DTE cables at the rear of the carrier Used with a modular DSU such as the Modular 3611 DSU The rear connector plate is a panel that is attached to the rear of the 3000 Series Carrier It contains two DTE connectors and functions as an interface between the Modular 3611 DSU and the DTE A mode of operation in which both power modules in the CO Power Unit supply power to all the slots in the carrier A feature that allows carrier mounted DSUs and modems to share the same diagnostic control panel Installed at eye level
46. ur 48 Vdc power input cable s Note that you need a hand crimping tool AMP part number 90296 2 or equivalent to build the connector s The contacts are crimp type and are intended for use with 20 AWG through 14 AWG wire with a maximum insulation diameter of 130 inches For additional information see Appendix A of this guide Provide external fusing if desired The fuses shown in Figures 2 6 and 2 7 are optional as per your requirements An optional external fuse should have a rating of 6 amperes 250 volts and be a fast acting type Use a fuse similar to Littlefuse 3 12006 If you have two input power cables and two separate 48 Vdc power sources e g Source A and Source B plug one input power cable from one of your 48 Vdc power sources e g Source A to the 48VDC A connector to provide power to the left side of the carrier Plug the other input power cable from a different 48 Vdc power source e g Source B to the 48VDC B connector to provide power to the right side of the carrier See Figure 2 6 The option strap settings for this power option are listed in Table 2 3 If you have two input power cables and one 48 Vdc power source plug one input power cable into the 48VDC A connector and the second input power cable into the 48VDC B connector Then connect both power cables into the same 48 Vdc power source See Figure 2 7 The option strap settings for this power option are listed in Tabl
47. us indicators on the power module s faceplate provides troubleshooting guidelines and replacement instructions for the power module and a preventive maintenance schedule for the optional air filter Indicators and Controls The CO Power Unit detects power module and or fan failures by monitoring the power output levels and the fan s low speed sensor for proper operation of the power module When a failure occurs an alarm indication light appears on the faceplate of the affected power module 3000 DC Power Module There are two LED status indicators Figure 3 1 on the power module s faceplate the Power LED and the Fan Alarm LED The Power LED provides the status of the power module A green light indicates that the power module is operating properly A red light indicates a power module failure No light indicates that the CO Power Unit is not receiving input power The Fan Alarm LED provides the status of the fan in the power module If the Fan Alarm LED is not lit and the Power LED is green the fan is operating properly If the LED is yellow it indicates either a fan failure or a fan speed below 1900 rpm Power Fan Alarm 491 13698 Figure 3 1 LED Status Indicators 3000 A2 GB41 40 May 1998 3 1 COMSPHERE 48 Vdc Central Office Power Unit Troubleshooting If operating in the Basic mode and the power module s Power LED is red check the DCEs in the carrier If the LEDs on the DCEs are no
48. voltage output A minor alarm is sent to a CO alarm system if a fan failure occurs or if the fan speed drops below 1900 rpm After the CO Power unit is installed you can connect the power unit to a CO alarm system NOTE The CO alarm cables and mating connectors are customer supplied components To connect the CO Power Unit to a CO alarm system gt Procedure 1 At the rear of the carrier locate the cable connectors labeled Alarm A and Alarm B see Figure 2 4 To send alarm signals from the left power module to a CO alarm system plug a customer supplied mating connector AMP part number 103957 4 and cable into the Alarm A connector To send alarm signals from the right power module if the CO Power Unit has two power modules to a CO alarm system plug a customer supplied mating connector AMP part number 103957 4 and cable into the Alarm B connector For pin assignments of the Alarm A and Alarm B connectors see Appendix A of this guide 2 16 May 1998 3000 A2 GB41 40 Installation Connecting the Alarm Contacts to a 6800 Series NMS Via a Modular 3611 DSU The CO Power Unit can also send alarms to a 6800 Series NMS using the external alarm functions of a Modular 3611 DSU After the CO Power Unit is installed connect the power unit to the external leads of a Modular 3611 DSU by using an NMS adapter cable Before you can forward CO alarms to the 6800 Series NMS via the external leads you mus
49. wed from the front of the tray and then slide power module to the rear of tray See Figure 2 1 3 Tighten the two captive screws on the bottom of the power module s faceplate 2 4 May 1998 3000 A2 GB41 40 COMSPHERE 48 Vdc Central Office Power Unit Setting the Option Straps Table 2 2 Settings for Basic Mode The option straps are screw switches that are set by raising loosening or lowering tightening the screw to S1 Lowered break or make the contact There are five option straps S1 S2 Lowered through S5 on the CO Power Unit s backplane see S3 Lowered Figure 2 2 ea r owere S5 Lowered NOTE Older power modules have straps labeled S1 and S2 These should always be in the raised position gt Procedure 1 Tighten the screws on all five straps S1 through S5 on the CO Power Unit s backplane Make sure that the screws are securely touching the contacts Basic Mode but do not screw the straps too tight because doing so can damage the equipment To set the option straps for Basic mode of operation If you want to operate in the Basic mode you must use one 48 Vdc power source and configure the option straps as shown in Table 2 2 CO Power Unit Backplane 496 13695 01 Figure 2 2 Option Straps S1 through S5 on the CO Power Unit s Backplane 2 6 May 1998 3000 A2 GB41 40 Installation Independent Mode If you want to op
50. wer Unit For instructions on how to install the SDCP ribbon cable see the SDCP Ribbon Cable Installation section in the COMSPHERE 3000 Series Carrier Installation Manual After installing the CO Power Unit you can then install the SDCP For instructions on how to install the SDCP see nstalling the SDCP section later in this chapter NOTE Make a ground connection before installing the CO Power Unit Locate the ground symbol label at the rear of the CO Power Unit Remove the ground screw next to the label Attach one end of a ground strap minimum 18 AWG and securely fasten the ground screw Secure the other end of the ground strap to the nearest solid frame ground point see Step 2 To install the CO Power Unit gt Procedure 1 If an air filter is desired follow the procedure in the Air Filter and Brackets Installation section later in this chapter Then return to this procedure and proceed to the next step At the front of the carrier place the CO Power Unit on the flanges at the bottom of the carrier see Figure 2 3 Slide the CO Power Unit into place against the rear rail of the enclosure guiding the ground strap through the opening in the carrier s backplane If an SDCP ribbon cable has been installed hold the ribbon cable to the left of the CO Power Unit when sliding the power unit into place against the rear rail of the enclosure Place the ribbon cable between the power module and
51. wer Unit efficiency is approximately 76 PHYSICAL DIMENSIONS CO Power Unit Height Height including air filter brackets Width Depth Power Module Height Width Depth Air Filter Height Width Depth 2 4 inches 6 2 cm 3 0 inches 7 7 cm 16 9 inches 43 3 cm 13 5 inches 34 6 cm 2 4 inches 6 2 cm 8 5 inches 21 8 cm 11 7 inches 30 0 cm 0 5 inches 1 3 cm 14 2 inches 36 4 cm 5 5 inches 14 1 cm 1 4 May 1998 3000 A2 GB41 40 Introduction Table 1 1 2 of 2 Technical Specifications for Central Office CO Power Unit Technical Specifications Criteria WEIGHT CO Power Unit 10 6 pounds 4 8 kg includes one power module CO Power Unit 15 8 pounds 7 2 kg includes two power modules Power Module 5 2 pounds 2 4 kg Air Filter 0 2 pounds 0 1 kg CENTRAL OFFICE CO ALARM 0 1 amp maximum at 70 Vdc maximum RELAY CONTACTS APPROVALS Underwriters Laboratories Inc UL Recognized component as part of 3000 Series Carrier UL 1950 Recognized Component Canadian Standards Association CSA Certified Component as part of 3000 Series Carrier CSA 22 2 Certified Component No 950 Equipment Warranty and Support If you experience trouble with this equipment please contact your sales or service representative as appropriate for repair or warranty information If the product needs to be returned to the company service center for repair contact them directly f
52. you need one customer supplied alarm cable for each power module To forward alarms to a 6800 Series NMS you need one Modular 3611 DSU configured to forward alarms to a 6800 Series NMS and one NMS adapter cable You can also use a non modular Model 3611 DSU but you must build your own cable This guide provides information on forwarding alarms to a 6800 Series NMS via a Modular 3611 DSU but reminds you that a non modular Model 3611 DSU can also be used 3000 A2 GB41 40 May 1998 1 1 COMSPHERE 48 Vdc Central Office Power Unit NOTE Customer supplied cable assemblies must comply with items 5 and 6 of the Important Safety Instructions at the front of this guide For more information on the alarm cables and NMS adapter cable see Appendix A of this guide Part numbers for the CO Power Unit and its related components are listed in Appendix B of this guide Features The CO Power Unit provides the following features e Enables DCEs supported by the COMSPHERE 3000 Series Carrier to operate in a 48 Vdc central office environment e Provides the following three modes of operation Basic mode the mode in which the single power module supplies power to the entire carrier This mode of operation is the only mode available for the CO Power Unit with one power module Redundant mode the mode in which two power modules supply power to the entire carrier If one power module fails the remain
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