Belden HIRSCHMANN MACH 4000 Series Скачать руководство пользователя страница 34 | Manualshive

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34

MACH 4000

Release 11/08

2.1.7

Grounding the device

The device is grounded via the power supply connections.

Note: The shielding ground of the connectable twisted pairs lines is connect-
ed to the front panel as a conductor.
When the device is being operated via the 230/120 VAC power supply unit,
it is grounded via the safety plug. When it is being operated with external DC
voltage via the
M4-POWER connections, the device is grounded via the M4-POWER con-
nection.

2.1.8

Mounting the power unit chassis,

connecting it with the MACH 4000

Connect the basic switch device and the M4-POWER power unit chassis
with the mounting angle included in the delivery.

For the redundant power supply, you use the power supply cable to con-
nect the power unit(s) in the M4-POWER power unit chassis with the M4-
POWER connection on the back of the MACH 4000 device.

Warning
The power supply cables between the M4-POWER power unit
chassis and the MACH 4000 are not hot-swappable. Note the se-
quence for connecting the cables: First connect the power supply

cable(s) between M4-POWER and MACH 4000. Then connect the power
supply (AC or DC, depending on the plug-in power unit) for the M4-POWER.

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Содержание HIRSCHMANN MACH 4000 Series

Страница 1: ... 4 5 6 7 8 LS DA LS DA LS DA LS DA LS DA LS DA LS DA P 1 LS DA 2 3 4 5 6 7 8 1 4 7 2 5 8 3 6 M4 FAST 8SFP P 1 2 3 4 5 6 7 8 1 4 7 2 5 8 3 6 P P1 P2 P3 P4 RM RL1 RL2 FAN RUN L D FDX 1000 AN TP FO RING PORT STBY LED TEST 2 1 1 2 3 4 LED MEDIA SLOTS M4 AIR SLOT PORT USB V 24 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 6 11 6 12 6 13 6 14 6 15 6 16 SELECT LED MACH 4002 48 4G FAULT RL2 LS DA 6 1 6 16 LS D...

Страница 2: ...r license agreement on the en closed CD applies The performance features described here are binding only if they have been expressly guaran teed in the contract This publication has been created by Hirschmann Automation and Control GmbH according to the best of our knowledge Hirschmann reserves the right to change the con tents of this manual without prior notice Hirschmann can give no guarantee i...

Страница 3: ... PoE 27 1 5 3 M4 FAST 8 SFP 27 1 5 4 M4 GIGA 8 SFP 28 2 Assembly and start up 29 2 1 Installing the device 29 2 1 1 Unpacking and checking 29 2 1 2 Installing the media modules 29 2 1 3 Installing the SFP XFP modules 30 2 1 4 Installing the power supply unit on the back of the device 31 2 1 5 Installing the plug in power units in the M4 POWER power unit chassis 31 2 1 6 Setting up mounting the bas...

Страница 4: ...ssembly 47 Deinstalling the media modules 47 Deinstalling the SFP XFP modules 47 3 Technical data 48 General technical data 48 Interfaces 49 EMC and immunity 49 Network range 49 Power consumption power output 51 Scope of delivery 51 Order numbers product description 52 Accessories 53 Underlying norms and standards 54 Certifications 54 ...

Страница 5: ...losed Close all empty slots with a covering panel Warning Only connect a supply voltage that corresponds to the type plate of your device Warning Install an input fuse in the ungrounded voltage cables for every voltage supply connection For the AC input of the AC DC plug in power units use a nomi nal rating of not more than 10 A characteristic B For the DC input of the DC plug in power units at P1...

Страница 6: ... for every voltage supply connection For the AC input of the AC DC plug in power units use a nominal rating of not more than 10 A slow blow characteristic For the DC input of the DC plug in power units at P1 and P2 use a nominal rating of not more than 20 A slow blow characteristic Do not use a redundant voltage supply at P1 and P2 simulta neously if one of the connections of P1 or P2 is grounded ...

Страница 7: ...function for the fan and the temperature Depending on your installation conditions you can continue operating your device when one fan fails Note the temperature display of your device In the Command Line Interface with the command show tempera ture In the Web based interface in the dialog Basic Settings System Temperature The temperature display must never exceed the maximum value see the followi...

Страница 8: ...as understood in this manual and the warning signs are persons who are familiar with the setup assembly startup and oper ation of this product and are appropriately qualified for their job This in cludes for example those persons who have been X trained or directed or authorized to switch on and off to ground and to label power circuits and devices or systems in accordance with current safety engi...

Страница 9: ... nents These can be destroyed or their life cycles reduced by the effects of an electrical field or by a charge equalization if the card is touched For this reason the cards are packaged in a conductive ESD protective bag on delivery The packaging can be reused Make sure you adhere to the following protection measures for electro statically endangered assemblies Create electrical equipotential bon...

Страница 10: ... is a class A device This device can cause interference in living areas and in this case the operator may be required to take appropriate measures The assembly guidelines provided in these instructions must be strictly adhered to in order to observe the EMC threshold values FCC note Appropriate testing has established that this device fulfills the require ments of a class A digital device in line ...

Страница 11: ...MACH 4000 Release 11 08 11 Recycling note After usage this product must be disposed of properly as electronic waste in accordance with the current disposal regulations of your county state country ...

Страница 12: ...Configuration of System Location and System Name X Configuration of the network address range and SNMP parameters X Saving the configuration on the device X Simultaneous configuration of multiple devices X Configuration of the port display color red for a connection error With the Industrial HiVision Network Management software you increase your network security in industrial application areas X E...

Страница 13: ... simple configuration with only one additional con nection The diagnosis LEDs for displaying the operating parameters provide a quick overview It can be easily managed via a Web browser via Telnet with a management software product such as HiVision or locally on the switch V 24 interface The device allows you to set up switched industrial ETHERNET networks that conform to the IEEE 802 3 and 802 3u...

Страница 14: ...e device provides you with the following ports and slots for equipping it with media modules m e d i a m o d u l e 1 s l i d e i n m o d u l e m e d i a m o d u l e 3 s l i d e i n m o d u l e m e d i a m o d u l e 2 s l i d e i n m o d u l e m e d i a m o d u l e 4 s l i d e i n m o d u l e b a c k o f d e v i c e p o w e r s u p p l y u n i t e x t c o n n e c t o r t o M 4 P O W E R e x t c o n...

Страница 15: ...RJ45 ports 6 1 to 6 8 Slide in media module 2 Port 2 1 to 2 8 10 100 1000 Mbit s Basic board integrated RJ45 Port 6 1 to 6 16 10 100 1000 Mbit s 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 P 1 LS DA 2 3 4 5 6 7 8 M4 8TP RJ45 LS DA LS DA LS DA LS DA LS DA LS DA LS DA R 1 LS DA 2 3 4 5 6 7 8 LS DA LS DA LS DA LS DA LS DA LS DA LS DA P 1 LS DA 2 3 4 5 6 7 8 1 4 7 2 5 8 3 6 M4 FAST 8SFP P 1 2 3 4 5 6 7 8 1 4 7 2 ...

Страница 16: ...DIA SLOTS M4 AIR SLOT PORT USB V 24 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 6 11 6 12 6 13 6 14 6 15 6 16 SELECT LED MACH 4002 48 4G FAULT RL2 LS DA 6 1 6 16 LS DA RL1 LS DA M4 FAST 8TP RJ45 PoE M4 FAST 8SFP MACH 4002 48G Slide in media module 1 Port 1 1 to 1 8 10 100 1000 Mbit s Slide in media module 3 Port 3 1 to 3 8 10 100 1000 Mbit s Basic board integrated Port 6 1 to 6 8 100 1000 Mbit s SFP ...

Страница 17: ...SFP Maximum port number TP ports 10 100 Mbit s 48 TP ports 10 100 1000 Mbit s 4 24 48 24 48 Combo ports TP SFP 10 100 1000 Mbit s 4 8 8 XFP slots 10 Gbit s 3 3 Number of installed ports basic board TP ports 10 100 Mbit s 16 TP ports 10 100 1000 Mbit s 8 8 16 Combo ports TP SFP 10 100 1000 Mbit s 4 8 8 XFP slots 10 Gbit s 3 3 Maximum number of media modules 10 100 Mbit s 4 10 100 1000 Mbit s 2 4 2 ...

Страница 18: ... ETHERNET Gigabit ETHERNET ports The media modules differ with regard to the number of interfaces and the media type for connecting seg ments The integrated basic board is located below the modules It is equipped as follows X The MACH 4002 48 4G has 4 Gigabit ETHERNET ports comboports i e SFP slots for 1000BASE SX or 1000BASE LX and RJ45 sockets for 10 100 1000BASE TX module 5 and 16 Fast ETHERNET...

Страница 19: ...nit X AC plug in power unit 300W X 24 VDC plug in power unit 300W 2 connections coupled via diodes X 48 VDC plug in power unit 300W 2 connections coupled via diodes The back of the device also has two external inputs voltage input Nos 3 4 for the redundant voltage supply via the M4 POW ER power unit chassis The M4 POWER power unit chassis enables redundant power supply The power supply cable s bet...

Страница 20: ... enables redundant power supply It has three slots for plug in power units The plug in power units can be replaced during operation hot swappable Depending on the plug in power units connected you can use an M4 POW ER power unit chassis to implement the redundant power supply for several MACH 4000 devices You connect the M4 POWER power units to the M4 POWER connection on the back of the MACH 4000 ...

Страница 21: ... AIR plug in fan The M4 AIR or M4 AIR L plug in fan is located on the left of the front side of the MACH 4002 chassis You can replace the plug in fan during operation see on page 40 Replacing the M4 AIR plug in fan unit X M4 AIR Plug in fan for MACH 4000 switch chassis without temperature sensor X M4 AIR L Plug in fan for MACH 4000 switch chassis with reduced fan speed for use in ambient temperatu...

Страница 22: ...If the device is insufficiently ventilated by its fans this either causes the assemblies to age faster MTBF value or triggers error statuses and it usually leads to transmission errors on the Ethernet connections Temperature difference The difference between the ambient temperature and the circuit board PCB temperature is primarily dependent on the ambient temperature P P1 P2 P3 P4 RM RL1 RL2 FAN ...

Страница 23: ...ice PCB temperature threshold value MACH4002 48 4G Ambient temperature 20 K MACH4002 24G 48G Ambient temperature 27 K Table 2 Temperature monitoring USB V 24 5 1 5 2 5 3 5 4 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 6 11 6 12 6 13 6 14 6 15 6 16 SELECT LED MACH 4002 48 4G FAULT RL2 LS DA LS DA LS DA LS DA LS DA 6 1 6 16 LS DA RL1 Basic Board MACH 4002 48 4G USB V 24 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 ...

Страница 24: ... see on page 52 Order num bers product description Eight Gigabit ETHERNET ports combo in MACH 4002 24G and MACH 4002 48G There are eight Gigabit ETHERNET ports ports number 6 1 to 6 8 for connecting network segments on the left side of the basic board These are SFP slots that are used as alternatives to RJ45 ports 6 1 to 6 8 Order numbers for SFP plug in modules see on page 52 Order num bers produ...

Страница 25: ...ting network segments on the right side of the basic board These ports are RJ 45 connections 16 Gigabit ETHERNET ports in MACH 4002 48G and MACH 4002 48G 3X There are 16 10 100 1000BASE TX ports ports number 6 1 to 6 16 for connecting network segments on the right side of the basic board These ports are RJ 45 connections In the MACH 4002 48G the RJ45 ports 6 1 to 6 8 can be used as alter natives t...

Страница 26: ... to 6 8 on the left side of the basic board com bo ports 1 5 Media modules Figure 8 Fast ETHERNET and Gigabit ETHERNET media modules MACH 4000 device M4 8TP RJ45 M4 FAST 8TP RJ45 PoE M4 FAST 8 SFP M4 GIGA 8 SFP MACH 4002 48 4G 0 4 modules 0 4 modules 1 0 4 modules 0 modules MACH 4002 24G 0 2 modules 0 2 modules 1 0 2 modules 0 2 modules MACH 4002 48G 0 4 modules 0 4 modules 1 0 4 modules 0 4 modul...

Страница 27: ...rminal devices with power de pends on the total power available The power is supplied via the data lines The individual ports are not electrically insulated from each other 1 5 3 M4 FAST 8 SFP The M4 FAST 8 SFP media module has eight 100BASE FX ports SFP slots for mounting SFP modules The following SFP plug in modules Fast ETHERNET SFP transceiver are available for the M4 FAST 8 SFP media module X...

Страница 28: ...e for the M4 GIGA 8 SFP media module Gigabit ETHERNET SFP transceiver X Gigabit ETHERNET SFP transceiver M SFP SX LC M SFP LX LC M SFP LH LC M SFP LH LC X Fast ETHERNET SFP transceiver M FAST SFP MM LC M FAST SFP SM LC M FAST SFP SM LC M FAST SFP LH LC Order numbers for SFP plug in modules see on page 52 Order numbers product description P 1 2 3 4 5 6 7 8 1 4 7 2 5 8 3 6 LS DA M4 GIGA 8SFP ...

Страница 29: ...onnecting the terminal block for signal contact X Connecting the supply voltage starting up X Installing the data lines 2 1 Installing the device 2 1 1 Unpacking and checking Check whether the contents of the package are complete see page 51 Scope of delivery Check the individual parts for transport damage 2 1 2 Installing the media modules The switch has four inputs for connecting media modules T...

Страница 30: ...ert the media module almost as far as it will go into the desired slot see Fig above step 2 Make sure that there is a good connection between the multiple plugs of the media module and the female multipoints of the system bus Insert the media module as far as it will go into the desired slot by closing the blue insertion catches See Fig above step 3 Screw the two knurled screws in the front panel ...

Страница 31: ...the power supply unit all the way into the basic device along the mounting rails above and below Make sure that there is a good connection between the multiple plug of the plug in power unit and the female multipoint of the system bus Screw the four slotted head screws in the front panel of the plug in power unit flush with the frame of the basic device 2 1 5 Installing the plug in power units in ...

Страница 32: ...tting up Using the basic device as a table device Attach the rubber feet supplied with the device to the bottom of the device First remove the protective film from the adhesive film of the rubber feet Attach one rubber foot approximately 2 cm from each corner of the device Note The adhesive surface should be free of dust and grease Installation The devices are designed to be mounted in a 19 cupboa...

Страница 33: ...LS DA LS DA LS DA P 1 LS D A 2 3 4 5 6 7 8 1 4 7 2 5 8 3 6 M4 FAST 8SFP P 1 2 3 4 5 6 7 8 1 4 7 2 5 8 3 6 P P1 P2 P3 P4 RM RL1 RL2 FAN RUN L D FDX 1000 AN TP FO RING PORT STBY LED TEST 2 1 1 2 3 4 LED MED IA SLO TS M4 AIR SLOT POR T USB V 24 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 SELEC T LED MAC H 4002 48 4 G FAULT RL2 LS DA 6 1 RL1 LS D A M4 F AST 8TP RJ45 PoE M4 FAST 8SFP 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 ...

Страница 34: ...e power unit chassis connecting it with the MACH 4000 Connect the basic switch device and the M4 POWER power unit chassis with the mounting angle included in the delivery For the redundant power supply you use the power supply cable to con nect the power unit s in the M4 POWER power unit chassis with the M4 POWER connection on the back of the MACH 4000 device Warning The power supply cables betwee...

Страница 35: ... external devices A break in contact is used to report the following conditions via the potential free signal contact relay contact closed circuit X The failure of at least one supply voltage X A continuous malfunction in the device 4 3 4 3 M4 S AC DC 300W M4 S AC DC 300W MACH 4000 back side of the device MACH 4000 back side of the device M4 POWER power unit chassis back side of the device M4 POWE...

Страница 36: ...two signal contacts on the front of the de vice Make sure that the snap lock snaps into place 2 1 10 Connecting the supply voltage starting up The devices may only be connected to the supply voltage specified on their type plate Connect the mains cable then connect this to the mains voltage Make sure the cable is not under strain Warning The DC modules M4 VDC 300W are designed for operation with s...

Страница 37: ...a lines according to your requirements 10 100 Mbit s twisted pair connection 10 100 Mbit s ports RJ45 socket enable the connection of terminal de vices or independent network segments according to the IEEE 802 3 100BASE TX 10BASE T standard These ports support X Autonegotiation X Autopolarity X Autocrossing if autonegotiation is activated X 100 Mbit s half duplex mode 100 Mbit s full duplex mode X...

Страница 38: ...uplex The socket housing is electrically connected to the front panel The PoE voltage is input via the wire pairs transmitting the signal phan tom voltage Figure 13 Pin assignment of a TP TX interface in MDI X mode RJ45 socket 10 100 1000 Mbit s twisted pair connection 10 100 1000 Mbit s twisted pair ports RJ45 socket enable the connec tion of terminal devices or independent network segments accor...

Страница 39: ...802 3 2000 ISO IEC 8802 3 2000 1000BASE SX or 1000BASE LX standards These ports support X Autonegotiation X Full duplex mode State on delivery autonegotiation Note Make sure that the LH ports are only connected with LH ports SX ports are only connected with SX ports and LX ports only with LX ports 10 Gbit s F O connection 10 GBit s F O ports XFP slot enable the connection of terminal devices or in...

Страница 40: ...an unit out a few centimeters and wait until the fan comes to a halt before pulling it all the way out Installing the M4 AIR plug in fan unit Deinstall the M4 AIR or M4 AIR L plug in fan unit to be replaced as de scribed above Slide the new plug in fan unit all the way into the basic device along the mounting rails above and below Make sure that there is a good connection between the multiple plug...

Страница 41: ...or P3 Power 3 green LED Glowing green Supply voltage 3 is present at external input 3 Not glowing No supply voltage 3 or voltage too low at external input 3 Flashing green Voltage supply 3 is present but plug in power unit is reporting an error P4 Power 4 green LED Glowing green Supply voltage 4 is present at external input 4 Not glowing No supply voltage 4 or voltage too low at external input 4 F...

Страница 42: ...open i e it is reporting an error Glowing yellow Signal contact 2 is open the Manual Setting is active Not glowing Signal contact 2 is closed i e it is not reporting an error or it was closed via the Manual Setting FAN overall fan status green yellow LED Glowing green The plug in fan unit is installed and no fan is reporting an error Glowing yellow The plug in fan unit is installed and at least on...

Страница 43: ...green yellow The FAULT LED status flashes red The display status LEDs flash green The port status LEDs of the media modules flash green yel low TP FO twisted pair fiber op tic green LED Glowing green The port LEDs of the media modules display the media type All display status LEDs green LEDs Flashing in sequence Initialization phase after restart 1 green LED Service LED PoE or 2 green LED Glowing ...

Страница 44: ...ellow LED Not glowing Half duplex is active Glowing green Full duplex is active 1 to n 1000 green yellow LED Not glowing 10 Mbit s is active Glowing green 100 Mbit s is active Glowing yellow 1000 Mbit s is active Flashing green yellow 10000 Mbit s is active 1 to n AUTONEG green yellow LED Glowing green Autonegotiation is active 1 to n TP FO twisted pair fi ber optic green yellow LED Glowing yellow...

Страница 45: ...ts 100 Mbit s full duplex Glowing green Twisted pair has been selected The port LEDs of the media modules display the twisted pair ports Not glowing Autoselect no medium has been selected 1 to n RING PORT green yellow LED Glowing green This port is assigned to the HIPER Ring 1 to n STAND BY green yellow LED Glowing green Connection port for the data line Glowing yellow Connection port for the cont...

Страница 46: ...gement station VT100 terminal or PC with corresponding terminal emulation This enables you to set up a connection to the Command Line Interface CLI and to the system mon itor The socket housing is electrically connected to the front panel of the de vice The V 24 interface is not electrically isolated from the supply voltage Figure 16 Pin assignment of the V 24 interface Note You will find the orde...

Страница 47: ...r the selected media module from the slot by pulling the blue in sertion catches see Fig above steps 1 and 2 Pull the media module out of the slot see Fig above step 3 Close the slot with a cover panel Screw the four knurled screws in the cover panel flush with the frame of the basic device Deinstalling the SFP XFP modules Pull the SFP XFP module out of the socket by means of the opened lock Close...

Страница 48: ...max 20 A 19 2 32 VDC max 8 0 A 48 VDC max 10 A 38 4 60 VDC M4 P AC DC 300W M4 P 24VDC 300W M4 P 48VDC 300W max 1 7 A 240 VAC max 4 0 A 100 VAC max 16 0 A 24 VDC max 20 A 19 2 32 VDC max 8 0 A 48 VDC max 10 A 38 4 60 VDC Activation current M4 S AC DC 300W M4 P AC DC 300W typ 40 A at 265 VAC and cold start typ 40 A at 265 VAC and cold start Overload current protection at input Non replaceable fuse P...

Страница 49: ... 2 kV 4 kV IEC EN 61000 4 5 Voltage surges Power line line line Power line line earth Data line 2 kV 2 kV 4 kV IEC EN 61000 4 6 Line conducted interference voltages 150 kHz 80 MHz 10 V EN 61000 4 9 Impulse shaped magnetic fields 300 A m EMC emitted inter ference EN 55022 Class A Yes FCC 47 CFR Part 15 Class A Yes Germanischer Lloyd Classification Construction Guidelines VI 7 3 Part 1 Ed 2001 Yes S...

Страница 50: ...m 800 MHz km SX LC MM 850 nm 62 5 125 µm 0 7 5 dB 0 275 m 3 2 dB km 200 MHz km LX LC MM 1310 nm 1 62 5 125 µm 0 11 dB 0 550 m 1 0 dB km 500 MHz km LX LC SM 1310 nm 9 125 µm 0 11 dB 0 20 km 0 4 dB km 3 5 ps nm km LH LC LH 1550 nm 9 125 µm 6 22 dB 24 72 km 0 25 dB km 19 ps nm km LH LC LH 1550 nm 9 125 µm 15 32 dB 60 120 km 0 25 dB km 19 ps nm km Table 7 LWL port 1000BASE FX SFP fiber optic Gigabit E...

Страница 51: ...tu IT h M XFP SR LC M XFP LR LC M XFP ER LC M XFP ZR LC 3 0 W 3 0 W 3 0 W 3 0 W 10 2 Btu IT h 10 2 Btu IT h 10 2 Btu IT h 10 2 Btu IT h M4 8TP RJ45 M4 8TP RJ45 PoE 2 0 W 15 0 W 7 0 Btu IT h 52 0 Btu IT h M4 FAST SFP M4 GIGA SFP 15 0 W 3 0 W 52 0 Btu IT h 10 2 Btu IT h Device Scope of delivery MACH 4002 MACH 4002 Device 1 terminal block for relay contact 4 contacts Terminal cable 19 bracket mounted...

Страница 52: ...th Layer2 Professional software with Layer3 Enhanced software with Layer3 Professional software 943 915 101 943 915 201 943 915 301 MACH4002 48G 3X L2P MACH4002 48G 3X L3E MACH4002 48G 3X L3P Basic switch device 48G 3X up to 48 Gigabit ETH ERNET ports and three 10 Gigabit ETHERNET ports incl plug in fan without power supply with Layer2 Professional software with Layer3 Enhanced software with Layer...

Страница 53: ...Adapter ACA 21 USB 943 271 001 Terminal cable 943 301 001 M4 POWER CABLE connection cable red power supply 943 922 001 M4 RACKMOUNT bracket for mounting the MACH 4000 in the 19 cabinet 943 951 101 M4 RACKMOUNT 50 19 bracket for mounting the MACH 4000 in the 19 cabinet 50 mm lower than with M4_RACKMOUNT 943 951 001 4 pin terminal block 50 units 943 845 004 HiVision Network Management software 943 4...

Страница 54: ...llation of IT equipment EN 61131 2 2003 Programmable logic controllers EN 50121 4 2000 Railway applications EMC emitted interference and interference immunity for signal and telecommunication systems FCC 47 CFR Part 15 2006 Code of Federal Regulations Germanischer Lloyd Ship Applications Classification and Construction Guidelines VI 7 3 Part 1 Ed 2003 cUL 508 1998 Safety for Industrial Control Equ...

Страница 55: ...r com Hirschmann Competence Center In the long term excellent products alone do not guarantee a successful customer relationship Only comprehensive service makes a difference worldwide In the current global competition scenario the Hirschmann Competence Center is ahead of its competitors on three counts with its complete range of innovative services X Consulting incorporates comprehensive technica...

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