Service Manual - CBU Documentation Portail
Contents
1. i Mets 6 Fe Hiei She Sie eu gt os see u 2 pbe gt owe _ 7 om a ge ier eae ae OEY 1 EEE 2 TE E rs BON Logic ground is used as reference for low voltage electronics and it is isolated from the chassis shelf ground and 48V power lines For EMI EMC purpose it might be needed to connect the logic ground and shelf ground together To connect both grounds install a screw M3 1l6mm with a conductive washer at shown location To disconnect remove this screw Note By default the screw is not installed Page 13 of 20 ELECTRONICS 7 System Maintenance To keep the shelf operating healthy the following maintenance procedures may have to be performed e Replacing the air filter e Replacing fan trays Blowers e Replacing power entry modules PEMs and corresponding fuses e Replacing Shelf Managers e Replacing Shelf FRU and Telco alarms boards Under normal condition i e there is no malfunction in the system only replacement of the air filter 1s necessary 7 1 Replacing PEM Power Entry Modules should be replaced in case of failure The malfunction of a PEM will be reported via the shelf manager fuse sensors In case of failure immediately replace the faulty PEM To replace a PEM 1 SWITCH OFF ALL POWER SOURCES connected to the PEM 2 Slide rubber boots red on and black on along cable to gain access to the nuts 3 Remove the2. 4 3 Crimping Instruction Before crimping slide rubber boot along each wire red on and black on Follow the guidelines e Strip the insulation from cable to the length shown in table on reverse side Be careful not to nick cable strands which may later result in stands breaking e Cable end should be clean wire brush or clean with emery cloth if necessary Insert cable into connector until it stops The insertion length must approximate the stripped length of cable e Insert connector in die and compress between the markings beginning near the tongue of the connector Table on reverse side shows installing die and the number of compressions required for each die connector combination Note Using improper installing die may result in a defective connection DO NOT CRIMP ON ENERGIZED WIRES e After crimping remove all sharp edges flash or burrs Page 10 of 20 e Insulating methods shown below WIRE SIZE NUMBER OF COMPRESSIONS Colour FLEX DIE code OO amp HAND TOOLS HYDRAULIC HEADS BATTERY OPERATED 24 CU die TOOLS WIRE CODE code 750 R TBM21E TBM TBM TBM TBM6 12 15 40 TBM6BSCR BPLT14BS 6 TON 14 1 TBM25S TBM4 5 6 8 H To To To TBM61500BS CR R 5 TBM20S S 6TON N N N CR TBM14BS TBM62BSCR CR 3 61 24 0 6 BLUE 4 2 2 2 2 2 2 2 2 2 2 1 TBM62 1550 5 STRD 24 X 0X G H I amp TBM622 1552 K SOLID 4X 2X Note When using other lugs refer to installation instruction of partic
3. first set of nuts and lock washers from each PEM s stud 4 Remove each double lug on two studs 5 Loosen the front panel captive screws 6 Extract the PEM 7 Insert a new unit 8 Install each double lug on two studs 9 Do not apply torque more than 3 8 Nm 33 62 Ibf in 10 Install prior removed nuts and washers 11 Slide rubber boots red on and black on along cable to cover the nuts 12 Apply power to the PEM WARNING Always disconnect input power prior to servicing PEM Disturbed current through the backplane connector will lead to high voltage spikes or arc discharge thus connector backplane damage Note caution must be taken when working near to the PEM power studs to avoid personnel injury The shelf operating voltage range covers TNV 2 voltages 60 80V This voltage is considered hazardous Page 14 of 20 COMTEL ELECTRONICS 7 2 Replacing Fuses The service action may be needed when some fuses have blown Prior to servicing be sure to disconnect power feeds to PEM To replace the fuses the PEM has to be extracted out of the shelf Always replace a complimentary fuse to the blown one on given power channel 1 e 48V and RTN fuses have to be replaced Double fusing on Ch 1 Double fusing on Ch 2 Double fusing on Ch 3 Double fusing on Ch 4 Double fusing on Ch 5 nA BR W N e Note channel to FRU mapping is described in the User Manual 7 3 Maintaining Air Filter
4. Za COMTEL ELECTRONICS COMTEL Electronics GmbH Technopark I Bretonischer Ring 11 D 85630 Grasbrunn Germany Tel 49 0 89 43 77 89 0 Fax 49 0 89 43 77 89 77 CO14N Service Manual Revision 1 1 states L ELECTRONICS Revision History Rev November 2011 Dmitry Tsitsilin December 2011 Minor Changes Dmitry Tsitsilin Copyright Notice This material is the proprietary property of Comtel Electronics Copying compilation modification distribution or any other use whatsoever of this material is strictly prohibited without written permission of Comtel Electronics GmbH The information in this document is subject to change without notice and should not be construed as a commitment by Comtel Electronics Neither Comtel Electronics nor there agents assume any responsibility for the use or reliability of this document or the described software Page 2 of 20 Table of Contents im U N m 4 1 4 2 4 3 4 4 N Pel i 13 7 4 es 7 6 SHELF ARCHITECTURE eoosesseossossesssoosessssssossessesssossesssossessessesssossos 5 TECHNICAL SPECIFICATION seorscsissossssssssssessssosseassesssosnssosdsssdsoscosissas ti 7 SEELE EAPELO nE entre seen 8 SHELF INSTALLA TION zen ea 9 MOUNTING THE SHELF essen nee 9 CONNECTING POWER CORDS ceccenseessenssenssnnsnnnsnnsnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnsnnnennn 10 CRIMPING INSTRUCTION ccccsccssccssccsccssccsscsccsscscesscescesscescesscessesscesc
5. ackplane Topology e Dual Star e Triple Replicated Full Mesh e 40G support on Fabric interface Cooling Capability e Pull Cooling Scheme e 300W Front Board e 35W RTM Certifications e UL listed CE NEBS designed to be compliant Shelf Management e Pigeon Point SHMM500 shelf manager e Intelligent Fan Trays IPMC based e Intelligent PEMs IPMC based e Intelligent Fan Trays IPMC based e Intelligent Shelf FRU and Telco Alarms Board IPMC based Dimensions and weight Unpackaged Packaged on pallet W483 mm ein H 5m 27in sonr mm n p o _ EEE EEE 50 7u Piette Ibs Page 7 of 20 3 COMTEL ELECTRONICS 3 Shelf Labeling Shelf Nameplate Shelf Serial Number label Input Voltage 48 VDC 60 VDC Model name CO14N ion 105 A 84A Manufacture Part Number optional Serial Number optional Nominal input voltage and current Country of manufacture M N CO14N Certification signs marks P N Model number full example CO14N B DS UB4 S2128 P2 T2 A Mfg Part Number with Code 39 Bar code Serial Number with Code 39 Bar code Page 8 of 20 sa COMTEL CF ELECTRONICS 4 Shelf Installation 4 1 Mounting The Shelf Improper installation might cause system damage or personnel injury Consider the following guidelines Install the system only in area with restricted access Follow the installation rules governs in your country Power distribution to the shelf must include o
6. ediately replace the faulty fan tray otherwise the degradation in cooling performance may cause overheating of the ATCA blades Page 16 of 20 lt COMTEL eS see ELECTRONICS To remove a Fan tray perform the following 1 Open the blower door by pulling locks on both sides 2 Extract the blower fan tray 3 Insert a new unit into the slot 4 Close the blower door and secure the locks back in place Caution Rotating fan blades Can cause minor injury or cut Keep hands clear when servicing Allow time for fan blades to slow to a stop before fully removing This unit contains electronic components that are sensitive to static electricity All electronic boards in this shelf are protected by Shelf Ground It is recommended that anti static wrist straps be worn and connected to a known good shelf ground connection when servicing Page 17 of 20 ELECTRONICS 7 5 Replacing Shelf Manager A shelf manager should be replaced in case of failure The malfunction of the shelf manager can be detected via the shelf manager To replace a shelf manager perform the following 1 Loosen the front panel captive screws 3 Extract the shelf manager 4 Insert a new unit into the slot 5 Tighten the captive screws Page 18 of 20 Za COMTEL gt ELECTRONICS 7 6 Replacing Shelf FRU and Telco Alarms Board A Shelf FRU and Telco Alarms Board should be replaced n case of failure The malfunction of
7. esseescens 10 POWERING THE SHELF unseres 11 SEELE ERUOLNDING 2 0 a 12 Narra EEE ENGEUTENUENEN DONNEEUEEERURERNOFFUNEHENEELBEREEEN 13 SYSTEM MAINTENANCE 205500000 14 REPLACING PEM ana un tuas n TiO EAEE EOE TAE a 14 REPLACING F SPS u 2er ee 15 MAINTAINING AIR FILTERS ccccesccseccssccsccssccsccsscesscscesscescesscussesscescesseesens 15 REPLACING FAN TRAY ensure 16 REPLACING SHELF MANAGER cccccsccescoscccsccsccesccsscesccsacesccsacescssacescssaseccesseecs 18 REPLACING SHELF FRU AND TELCO ALARMS BOARD ccceecescsceececcceeees 19 GETTING STARTED WITH SHELF MANAGEMENT 20 Caution Read this manual before working on this unit Caution HAZARDOUS VOLTAGE Contact may cause electric shock or burn Electronic components are sensitive to static electricity All electronic boards in this shelf are protected by Shelf Ground It is recommended that anti static wrist straps be worn and connected to a known ground connection when removing any Field Replaceable Unit in this shelf Page 3 of 20 In 5 we L ELECTRONICS Caution Rotating fan blades Can cause minor injury or cut Keep hands clear when servicing Allow time for fan blades to slow to a stop before fully removing Caution Heavy object To avoid muscle strain or back injury use lifting aids and proper lifting techniques when removing or replacing Reference Documents PICMG 3 0 AdvancedTCA Base Specification Re
8. s Due to the environment the system operates in the filters will accumulate dust causing degradation in filtration and airflow to the system Therefore the filters have to be replaced periodically with the frequency depending on the environment for instance in clean laboratory environment every 6 months To replace an air filter 1 Using the lower flange as a handle gently push in and tilt down Remove the frame Rear side Front side fi Page 15 of 20 amp COMTEL ELECTRONICS 2 Care should be used when inserting air filter to prevent damage to sensors Rest filter on guide rails and slide filter in until t gently contacts springs Tilt up from front until it locks under card cage Pull forward to ensure it is locked in place Cleaning Filter should be replaced rather than cleaned If filter is cleaned vacuuming may restore initial air flow rates however other performance metrics may not be restored depending upon the type of particles encountered in the application Note It is not recommend washing the filter material because washing it can negatively impact efficiency arrestance and dust holding capacity of filters whether large particles are present in the environment or not 7 4 Replacing Fan Tray Fan trays sometimes should be replaced due to wear out the fans The malfunction of a fan tray will be reported via the shelf manager fan tachometer sensors In case of failure imm
9. th s board can be detected v a the shelf manager To replace an SFRU and Telco Alarms board perform the following 1 Loosen the front panel captive screws awe P SZ gt A P a P 7 Wire A a a J 4 e Adij m A A D T r A he nie Er s A 4 T Mi od ae 2 3 r y pis a gt d gt 2 i 7 nix yf gt My P ddj IF 2 Extract the board 3 Insert a new unit into the slot 4 Tighten the captive screws Page 19 of 20 8 Getting Started With Shelf Management The shelf manager can be accessed over Ethernet Telnet or Serial interface Both interfaces are available at the front panel Since Ethernet channel CHO is routed to both front panel and backplane make sure that the Ethernet switch selector is pulled flush for communicating over front panel Default Shelf Manager IP address is 192 168 0 171 Default Serial Port settings 115200 N 8 1 To open telnet session or establish serial communication you might use PuTTY tool The pinout for the serial console cable Cisco Console is shown below RJ45 Signal Name RJ45 pin DSUB9 Pin DSUB9 Signal Name 6 DR _ So to LS l Page 20 of 20
10. ular manufacturer 4 4 Powering The Shelf After the power cable is crimped t may be connected to the PEMs as directed Make sure that neither PEM nor power cord are energized Remove the first set of nuts flat and lock washers from each PEM s stud Install each double lug on two studs either horizontally or vertically Do not apply torque more than 3 8 Nm 33 62 Ibf in Install prior removed nuts and washers Slide rubber boots red on and black on along cable to cover the nuts The above stated guidelines are partially shown below Nut Lug Flat W Lock W Nut Page 11 of 20 3 COMTEL ELECTRONICS 5 Shelf Grounding Caution Shelf is powered with voltage that is considered as HAZARDOUS VOLTAGE Contact may cause electric shock or burn Caution Connect Shelf Ground to well known Protective Earth connection in the rack or building Use double hole lug 3 4 19 mm to connect to the Shelf Ground Three stud design allows flexible fan out of grounding cable For proper cable locking use the following set up First Nut gt Two Hole Lug gt Flat Washer gt Lock Washer gt Second Nut 1 Flat Washer Lock Washer Nut Caution Use proper crimping tools to build the grounding cable Recommended wire size is AWG6 Torque Nuts to 5 9 Nm 52 Ibf in Max Page 12 of 20 COMIEL ELECTRONICS 6 Logic Ground O pear en BCOMTE Arames TGA CO 14 DS System
11. ver current protection devices Use appropriate protective bonding conductor according to over current limits for power lines Make sure that the personnel will not interfere with cables and cords connected to the rack shelf Make sure that the shelf airflow i e ventilation openings are not disturbed by cables and rack construction see below otherwise it might lead to system damage Caution Use front and rear filler blades to block the airflow in empty slots Note Remove battery saver on shelf manager before using the shelf Note Remove protective film from shelf surfaces after mounting in a rack Page 9 of 20 ELECTRONICS 4 2 Connecting power cords To connect external power supply to the shelf two hole lugs 3 4 19 mm must be used Use Thomas amp Betts PN 256 30695 1225 as shown below ur ex Rubber boots are supplied with the shelf Use these to cover power lugs WARNING Always disconnect input power prior to servicing PEM Disturbed current through the backplane connector will lead to high voltage spikes or arc discharge thus connector backplane damage Note caution must be taken when working near to the PEM power studs to avoid personnel injury The shelf operating voltage range covers TNV 2 voltages 60 80V This voltage is considered hazardous Caution Double Pole Fusing When replacing a fuse replace also the complementary one see Section 7 2
12. vision R3 0 Comtel CO14N User Manual Page 4 of 20 1 Shelf Architecture Aianei TCR 1 Blower FT1 2 Blower FT2 3 Blower FT3 4 Blower FT4 5 High Speed Backplane 6 Power Backplane lt 3 COMTEL ELECTRONICS 7 Air Filter Frame 8 Temperature Sensor Board 9 ESD Wrist Strap Terminal Banana Jack 10 Rack handles Caution Heavy object To avoid muscle strain or back injury use lifting aids and proper lifting techniques when removing or replacing Caution Rack Handles cannot carry the weight of fully loaded shelf Use them rather to slide the shelf out of the rack Page 5 of 20 amp COMTEL 11 Power Entry Module PEM1 12 Power Entry Module PEM2 13 Shelf Manager ShMC1 14 Shelf Manager ShMC2 15 Shelf FRU and Telco Alarms Board SFRU1 16 Shelf FRU and Telco Alarms Board SFRU2 17 ESD Wrist Strap Terminal Banana Jack 18 Shelf Ground Terminals electronic components This unit contains electronic components that are sensitive to static electricity All electronic boards in this shelf are protected by Shelf Ground It is recommended that anti static wrist straps be worn and connected to a known good shelf ground connection when servicing any Page 6 of 20 ELECTRONICS 2 Technical Specification Power Specification e 2 redundant PEMs e Input Voltage operating range 36V DC 72VDC e Current ratings 105Amps 48VDC and 84Amps 60VDC B
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