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UM380 03 010

95

Approvals, Safety Instructions and Statutory Information

Pﬂichtinformation, Sicherheitshinweise

und Zulassung

Lesen Sie diese Informationen, bevor Sie dieses Gerät in Betrieb nehmen. Diese Hinweise
haben gegebenenfalls andere Hinweise bezüglich der Inbetriebnahme und des Gebrauchs
des Geräts auf.

Richten Sie allfällige Fragen bitte an Westell Ltd. Sie ﬁnden die genaue Adresse auf der
Innenseite der Deckseite dieses Handbuchs.

Anschluß an das allgemeine Stromnetz

Die Geräte, die an das allgmeine Stromnetz anschlossen werden sollen, sollen nur mit dem
gelieferten Kabeln benutzt werden. Die Sicherheitssteckdose ist in der Nähe des Geräts
installiert werden und leicht zu errechen sein.

Die Drähte in der Netzleitung sind in den folgenden Farben gekennzeichnet:

GRUN-UND GELB

ERDUNG

BLAU

NEUTRAL

BRAUN

LEITER

Warnung:

Für dauernden Schutz gegen die Feuergefahr. Ersatz nurmit gleichen typ und der
Nennleistung der überspannungsicherung. T2A H 250V

Produktunterhalt

Dieses Gerät entält keine Teile, die vom Benutzer gewartet werden müssen. Jeder Versuch
einer unqualiﬁzierten Person, Zugang zum Inneren des Geräts zu erlangen, setzt die
Garantiebestimmungen außer Kraft. In einem solchen Fall wird jede Haftung abgeleht, wenn
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Bedingungen entspricht.

Warnung:

Alle Unterhaltsaufgaben für dieses Gerät müssen von qualiﬁziertem Personal ausgeführt
werden.

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Содержание Interchange iQ 2000

Страница 1: ...InterChange iQ 2000 and iQ 2000plus User Guide...

Страница 2: ...thout the permission of Westell Limited Trademarks Westell Limited recognises all third party trademarks Change History Issue Product Status Date 010 Wes IiQ 2000 User Guide First Issue 020 Wes IiQ 20...

Страница 3: ...tion 7 Back Panel Equipment 7 2 3 Power On and Self Test 9 2 3 1 Terminal Connections 9 2 3 2 Self Test 9 2 4 Vision iQ Management Software Installation 10 2 5 InterChange iQ 2000 and 2000plus Install...

Страница 4: ...2000 units 21 4 6 1 Starting Vision iQ 21 4 6 2 Working with Vision iQ 21 4 6 3 Vision iQ Mode Options 22 4 7 Connect 23 4 7 1 Connection 23 4 7 2 Disconnect 24 4 7 3 Reconnect 24 4 7 4 Shelf De nitio...

Страница 5: ...on Con guration 54 6 3 1 Port 1 Q 931 port Con guration 54 6 3 2 Port 2 DPNSS port Con guration 55 6 4 DPNSS QSIG Transparency Options Con guration 57 6 4 1 DPNSS QSIG Transparency 57 6 5 Advanced Ser...

Страница 6: ...8 5 Hold 80 8 6 Three Party 81 8 7 Call Offer 82 8 8 Service Independent Strings 82 8 9 Bearer Service Selection 83 8 10 Route Optimisation 83 8 11 Redirection 84 8 12 Centralised Operator 86 8 13 Ad...

Страница 7: ...Change iQ 2000 products are designed for years of error free running with little or no requirement for management involvement once initial set up is complete Normally any network faults are noti ed an...

Страница 8: ...unit from a PC using the Download utility The product is con gured using the Vision iQ application described in this manual Vision iQ also manages the operational diagnostic and alarm information for...

Страница 9: ...when attaching a number of DPNSS PBXs to a QSIG or Q 931 backbone network or a DPNSS PBX to a Q 931 based Public ISDN service In addition when attaching a number of DPNSS PBXs to a QSIG or Q 931 backb...

Страница 10: ...ing offered by some PTOs 1 2 InterChange iQ 2000plus The IiQ 2000plus is a variation of the InterChange iQ 2000 providing some additional facilities The ability to perform diversions on behalf of the...

Страница 11: ...ght Unpacked InterChange iQ 2000 and iQ 2000plus units are 275 mm wide x 217 mm deep x 50 mm high and weigh 1 4 Kg All diagnostic indicators are visible at the front and all cable access is at the rea...

Страница 12: ...troduction to Unit Installation To install an InterChange iQ 2000 or iQ 2000plus unit carry out the following tasks in order Unpacking and Inspection Hardware Installation Power On and Self test Con g...

Страница 13: ...d 2 2 2 Hardware Installation Note There is no physical difference between the InterChange iQ 2000 unit and the iQ 2000plus unit InterChange iQ 2000 Figure 3 Front View of an Interchange iQ 2000 unit...

Страница 14: ...onal area of 1 5mm2 be of stranded wire 7 0 53 and be terminated with an M3 ring terminal 1 2 6 mm2 conductor 100 240 VAC 50 60Hz 350mA FUSE T2A H 250V Protective Earth Figure 5 View showing earth scr...

Страница 15: ...functions Allow this to run to completion The Self Test should complete in less than one minute Successful Self Test When all the tests have completed successfully the Self Test Module invokes the Lo...

Страница 16: ...he default password is Vision and is case sensitive 2 5 InterChange iQ 2000 and 2000plus Installation This procedure installs the initial con guration for the unit and checks that the operational soft...

Страница 17: ...Values Set the con guration to the factory default values Type Select Con guration Option RSET Enter The factory default values are reset The following message is re displayed Select Con guration Opti...

Страница 18: ...nter The Con guration Wizard asks for the console parameter Con gure which console parameter To list the menu of available parameters type Enter To display the present con guration type DISP Enter The...

Страница 19: ...hoice of available con guration options To display the Quick Start menu type QUICK Enter This takes the user to the option menu for the Quick Start wizard and allows the user to set up a basic con gur...

Страница 20: ...equipment If no alarm condition is noti ed then correct the cabling 2 6 3 Management Terminal Cabling InterChange iQ 2000 units are normally run with an in situ management terminal Where it is requir...

Страница 21: ...of each connection can be changed by con guration 2 7 2 Cabling Practice Specimen drawings for BNC and RJ45 plug terminations will be provided on request Label all cables especially 75 Ohm coax pairs...

Страница 22: ...the private equipment loop and remove the loops in reverse order Failure to observe this precaution may lead to excessive port error reports and the link being put spuriously out of service Remove the...

Страница 23: ...e made before power is applied to the unit Ideally the Sync switch should be set to whichever port is connected to the network so that the unit is synchronised with a central clock source rather than...

Страница 24: ...Together with the Status LEDs they indicate unit status When the unit is operating correctly these LEDs ripple with all status LEDs off When a problem exists the Port LEDs will show its location P1 o...

Страница 25: ...ange iQ 2000 or iQ 2000plus unit 1 Install the Vision iQ software on your PC 2 Connect your host PC to the InterChange iQ 2000 unit using a modem link or Ethernet connection if working remotely or a s...

Страница 26: ...inch disk drive CD ROM drive At least one free serial port or an internal modem card and Microsoft Windows 95 98 or NT 4 4 5 Software Installation Note Windows NT users must have administrator user ri...

Страница 27: ...rking with Vision iQ use the Connect option to connect to the InterChange unit Once connected you can choose to monitor the unit activity or con gure the ports to your requirements To monitor the unit...

Страница 28: ...stalled Con guration Mode Select Switch to Con guration Mode You are asked to enter your password Figure 8 Password Dialogue Box You are strongly recommended to change your password immediately after...

Страница 29: ...target system connected to by Vision iQ Figure 10 Vision iQ Connect Menu From the pull down menu Figure 10 select the system required for connection to and press OK or double click Vision iQ connects...

Страница 30: ...are greyed and the Connect and Shelf De nitions options are re enabled 4 7 3 Reconnect Choose Reconnect to connect to the last shelf connected to or if currently connected to disconnect and reconnect...

Страница 31: ...ading digit Shelf password Enter the shelf password Make a note of the password for future reference the default password is HELLO Connection type Select Direct network or Remote connection Shelf type...

Страница 32: ...and if valid added to the list and selected The button text is set to New the Delete button is un greyed and the Shelf Properties are greyed to read only Connect button This button works in two ways I...

Страница 33: ...ble Shelf De nitions box and press the Add button Delete a shelf from the list Select the shelf name in the Polling List box and press the Delete button Move a shelf up the list Select the shelf name...

Страница 34: ...e of the last good poll A indicates there is more information available To display this information click the with the left mouse button To connect to the selected shelf click on the right mouse butto...

Страница 35: ...1 Diagnostics Overview The Diagnostics option Figure 16 is only available when Vision iQ is connected to a target system Select the Overview option to display the main diagnostics dialogue Figure 17 T...

Страница 36: ...d the system status errors status and alarm states 4 8 3 Module Page The Module page Figure 18 displays different information depending upon the status of the module Port Protocol The Module page list...

Страница 37: ...rms The Major Alarm function allows the user to retrieve and display the major alarm log from the selected shelf Note This also displays the Reset Log which cannot be cleared Figure 20 The Major Alarm...

Страница 38: ...elect the module and the port numbers from the tool bar and press OK The Port Error log is retrieved from the unit and displayed Figure 21 Port Errors Log The buttons allow the user to Clear the log f...

Страница 39: ...ght clicking on of the shelf displays the options Update All and Reset All Right clicking on of a module displays the options Update Module Statistics and Reset Module Statistics Right clicking on of...

Страница 40: ...ri cation The user is warned that the loopback test can affect service and is asked for con rmation to continue To clear the loopback select Clear Loopback and press the Set button A warning dialogue...

Страница 41: ...to the off line con guration main menu If connecting to the unit via a serial connection the menu window will start immediately and display the results of the units self test cycle When this has comp...

Страница 42: ...the start of the line e g TIME in upper case and then press Return At any stage typing will present the available options To con gure the main aspects of the InterChange system the user will need to...

Страница 43: ...scribe the basic Application of the InterChange iQ 2000 This is discussed in Section 1 1 Knowing the intended purpose for the system will make it easier to target subsequent questions to determine the...

Страница 44: ...e QSIG port This most closely matches the VOIP option so that is entered Figure 32 Quick Start System Screen 2 You will need to know what protocol the router is expecting to be connected to the QSIG p...

Страница 45: ...e that the PBX is set as A end Figure 35 Quick Start System Screen 5 Another DPNSS PBX setting will be the channel orientation which is used for contention avoidance This is con gured on a per channel...

Страница 46: ...mple yes no question the options are not presented For the example we will say YES there is a QSIG PBX connected to one of the routers Figure 37 Quick Start System Screen 7 You will now be offered the...

Страница 47: ...issuing a ROP INV request to the DPNSS PBX ROP INV was a late addition to the DPNSS speci cation so not all DPNSS PBXs support this request and it can prevent some of those PBXs from achieving correct...

Страница 48: ...UNDO to back up to the last question asked On typing CONF the system will take a few moments to le the new con guration into the database before returning to the top level menu prompt If it determine...

Страница 49: ...phones The application ensures that if the wanted party does not answer the Operator is prompted to break in on the call and ask the caller whether they wish to continue to hold or try an alternative...

Страница 50: ...the CCM Con gure Services Parameters must also be con gured into the InterChange iQ 2000plus using the CCM options in the CUSTom menu via QUICKstart in the Vision iQ management application 4 14 5 Con...

Страница 51: ...T TRANSIT 5 1 2 Con guration Options The clock source is con gured to select the Q 931 port by a switch on the rear of the unit The Q 931 ports can be con gured to operate without CRC 4 checking doubl...

Страница 52: ...enabled within InterChange iQ 2000 SETUP from Q 931 without SENDING COMPLETE causes an ISRM I message to be generated to the DPNSS side and a SETUP ACKNOWLEDGE message to be returned to the Q 931 equ...

Страница 53: ...lled temporary signaling connections Figure 42 DPNSS over QSIG Transparency The gure above shows how once the DPNSS call leaves the InterChange iQ 2000 unit the transit across the intervening network...

Страница 54: ...ion NAE Called Party Subaddress Text Name Name Identity Calling Line Category plus call progress signalling Party Category ETSI QSIG plus Call Progress and Party Number Type of Number indications Call...

Страница 55: ...pport various QSIG pro les and variants including ECMA ETSI 1993 ISO 1995 and ISO aligned ETSI 1997 a superset of ISO signalling These systems do not support ETSI QSIG segmentation as this is not requ...

Страница 56: ...equests call redirection or redirection on call failure Note 1 This includes diversions to Q 931 attached phones provided the DPNSS PBX s routing is correctly con gured Calls from Q 931 phones that ar...

Страница 57: ...ce Mail From IP phone Message Waiting 1 Call Back Messaging Manufacturer proprietary signalling Indications from a DPNSS VMS IP phones Message Waiting Light ON OFF Note 1 There is no explicit message...

Страница 58: ...2 Select IQ2000 CONFIG then 3 Type ADV for manual con guration The main con guration menu is a list of options Most of the main menu options display a submenu allowing con guration of one aspect of t...

Страница 59: ...teractions which govern conversions The RMs for the different conversions are very similar and the same con guration options are common to all The MGMT menu provides the dialogue you need to invoke if...

Страница 60: ...he differences between the ETSI and Euro ISDN pro les relate to the content of messages there are no changes to call set up and clear down It is recommended that Euro ISDN pro le should be used when n...

Страница 61: ...t non DDI calls can be directed to a sensible destination such as the common operator Normally this would be done in the Q 931 PBX but in InterChange iQ 2000 s AT T and QSIG implementations it can be...

Страница 62: ...more digits are forthcoming and to indicate address completion and speed call set up Any edited out digits should be included in the count of address digits after which the call must be forwarded They...

Страница 63: ...t Transport Service The options available are DISABLED END TRANSIT The table below shows which option to select for particular transparent signalling Port 1 Port 2 DPNSS over QSIG TRANSIT END Select f...

Страница 64: ...t i l a e R d n a X D S i s n e m e i S X D S I n o s s c i r E 0 1 1 D M d n a S E Y r e w s n a d i e r t n e C l l a C a s e r i u q e r k r o w t e n r u o y f I e b l l i w h c i h w e r t n e C...

Страница 65: ...RFD signalling InterChange iQ 2000 units have further advanced con guration options Your support organisation may direct you to use these to resolve speci c VMS interworking problems The default con...

Страница 66: ...PBX addresses of the form 99xxxx These have been found to con ict with some DPNSS network numbering plans The later InterChange releases use an alternative algorithm that is less likely to cause probl...

Страница 67: ...perform the next step in facility con guration Please beware the discrepancy between meanings of the ETSI selection in the two different menu trees We suggest you contact your Q 931 equipment supplie...

Страница 68: ...restriction problem has been encountered speci cally in networks containing Ericsson MD110 PBXs using DPNSS signalling Limitations to Diversion Restriction Diversion Restriction should not be used unl...

Страница 69: ...comparing the leading digits of the diverted to number with a pre set number The InterChange iQ2000plus can be con gured to attempt proxy diversion if the diverted to address digits a match the pre se...

Страница 70: ...range or 0 to ensure the operator redirection capability is turned off 5 EXIT back up the menu tree Note This con guration will not in itself enable Operator Redirection This service is only provided...

Страница 71: ...tions also provide an indication of the level to which remote diagnosis can assist Reference is made to various commands which can be issued from a PC with Vision iQ connected directly or via a modem...

Страница 72: ...system Figure 43 Problem Determination Problems are detected initially by one or a combination of the following symptoms An alarm monitor detects that the alarm relay has triggered A user complaint An...

Страница 73: ...rational state a LED is shown for each in service port If this is not the case follow the checks outlined in Figure 44 This rst level chart guides you to the most appropriate of the speci c diagnostic...

Страница 74: ...and the unit is switched on 2 Check for fuse failure in the power feed or on the rear panel of the unit 3 If still unable to locate the problem the InterChange iQ 2000 unit must be returned for repai...

Страница 75: ...Cables Check for continuity of both the inner conductor and the screen Check for short circuits between the inner conductor and the screen Check for correct attachment of connectors to cables Hold the...

Страница 76: ...exchange Call the network support number to request re connection 7 4 6 Call Failures Symptom The status LEDs show no faults but no calls can be made There may be no indication of failure from attach...

Страница 77: ...abled Therefore the con guration must be reviewed 7 4 7 Fatal Errors Symptom Unexpected restart calls in progress may be lost but the unit recovers within a couple of minutes and on examination appear...

Страница 78: ...ary to display Alarm conditions but more detailed information is also maintained within the log in case of exceptional need In practise the most common faults are port errors and these conditions are...

Страница 79: ...to the screen and in a le Capture Filter Allows the user to choose the lines and channels on which to capture data Check the clear shelf buffer to clear the buffer of any previously captured data Retr...

Страница 80: ...i g i r O y s l l a C y n o h p e l e T e l p m i S e v i e c e R y s l l a C y n o h p e l e T e l p m i S r o f t i s n a r T s a t c A y 8 2 Data Call Compliance table for a PBX that supports the...

Страница 81: ...a r T s l e n n a h c c i f f a r t l a t i g i D d n a e u g o l a n A n n a c a t a d d n a b e c i o V y n a a i v d e i r r a c e b t i u c r i c o i d u A K 1 3 8 3 Executive Intrusion Partial S...

Страница 82: ...X B P 1 S S N P D r e h t o n a n o n o i s n e t x e d e l l a c y t p i e c e r n o n o i s n e t x e X B P a o t l l a c d e t r e v i d a e k a M d e l l a c a m o r f n o i t c u r t s n i e t a...

Страница 83: ...o c n e s i e t a i d e m m I X B P e h t n o s n o i s n e t x e y t s e u q e r a r e t s i g e r o t e l b a X B P e h t n o s n o i s n e t x E d e t r e v i D e r a s l l a c 1 S S N P D g n i m...

Страница 84: ...i s r e v i D f o s s a p y B t s e u q e r o t e l b A X B P 1 S S N P D r e h t o n a n o d e r e t n u o c n e y Additional compliance table for a PBX with extensions that are capable of having the...

Страница 85: ...S S N P D r e h t o n a n o n o i s n e t x e d e l l a c y n o n o i s n e t x e X B P a o t l l a c d e t r e v i d a e k a m o t e l b A a m o r f n o i t c u r t s n i y l p e R o N n O t r e v i...

Страница 86: ...r e v i D a e k a m o t e l b A s X B P 1 S S N P D r e h t o n o t t s e u q e R n o i t a d i l a V n o i s r e v i D a e k a m o t e l b A s X B P 1 S S N P D r e h t o n Compliance table for a tra...

Страница 87: ...q n e g n i m o c n i t p e c c A y 1 S S N P D r e h t o n o s n o i s n e t x e o t r e f s n a r t t p e c c A l e n n a h c e t a r a p e s a i v s X B P y t r a P e e r h T a m o r f t i l p s d...

Страница 88: ...operators or extensions in a network that are able to request call offer t n a i r a V e c i v r e S y l p m o C t n e m m o C n o i s n e t x e y s u b a o t d e r e f f o e b l l a c a t a h t t s e...

Страница 89: ...a r t y n i t e s s e i t i l i b a p a C n o i t a r t s i n i m d a Compliance table for a transit PBX that supports bearer service selection t n a i r a V e c i v r e S y l p m o C t n e m m o C f...

Страница 90: ...v e r P e t a r a p e s a n o d e v i e c e r p U t e S l l a C n o i t a s i m i t p O l e n n a h c y p U t e S l l a C n o i t a s i m i t p O e t u o R t i s n a r t o t e l b A l l a c g n i t s...

Страница 91: ...ble for a transit PBX in a network that supports the redirection service t n a i r a V e c i v r e S y l p m o C t n e m m o C d e v i e c e r s l l a c d e t c e r i d e r r o f t i s n a r t a s a t...

Страница 92: ...e c i v r e s d n e S d e r e t n u o c n e g n i e b e c r u o s e r y s u b a o t g n i w o n h t i w e c n a d r o c c a n i n o i t a s i m i t p O e t u o R t r o p p u S f o 9 1 N O I T C E S r...

Страница 93: ...i t u c e x E t r o p p u S f o 0 1 N O I T C E S r o f e c n a i l p m o C e h t f o 3 e l b a T 8 8 1 R N T B y s e r i u q e R g n i r t s y r a t n e m e l p p u s g n i m m a r g o r p f o 3 e l...

Страница 94: ...8 1 R N T B y f o 4 e l b a T h t i w e c n a d r o c c a n i e c i v r e S t h g i N t r o p p u S 8 8 1 R N T B f o 5 2 N O I T C E S r o f e c n a i l p m o C e h t y h t i w e c n a d r o c c a n...

Страница 95: ...t x e n a d e r e t n u o c n e s a h n y r o t a d n a M y b o s o d o t d e t s e u q e r n e h w D N D e d i r r e v o o t e l b A s X B P r e h t o n y r o t a d n a M 8 15 Loop Avoidance Complia...

Страница 96: ...b d e r o n g i n e e b s a h E A N e h t t a h t n o i t a c i d n i o t t c a e R n h t g n e l s s e r d d a b u s n o d e s o p m i t i m i L r e p p U y 2 3 t i m i l Compliance table for a PBX t...

Страница 97: ...marked E or by the earth symbol or coloured GREEN or GREEN and YELLOW The wire coloured BLUE must be connected to the terminal marked N or coloured BLACK or BLUE The wire coloured BROWN must be connec...

Страница 98: ...IE C950 AS NZS 3260 EMC Compliance EMC complies with EN55022 EN50082 1 AS NZS 3548 Protective Earth Cable The units must be installed with a protective earth in accordance with EN 60950 2000 Clause 6...

Страница 99: ...of ETS 300 019 2 3 and IEC 68 2 for Shock and Vibration CE Mark To meet the essential requirements of the R TTE Directive 1999 5 EC the following declarations are made for CE marking EMC Declaration...

Страница 100: ...uated above the mains inlet lter This label displays the following text in Norwegian Apparatet ma kun tilkoples jordet stikkontakt Sweden The local distributor of the InterChange iQ 2000 in Sweden mus...

Страница 101: ...dose ist in der N he des Ger ts installiert werden und leicht zu errechen sein Die Dr hte in der Netzleitung sind in den folgenden Farben gekennzeichnet GRUN UND GELB ERDUNG BLAU NEUTRAL BRAUN LEITER...

Страница 102: ...h Nicht ins Feuer werfen Halten Sie sich in jedem Fall an diese Warnung Sicherheit IEC950 EN60950 AS NZS 3260 Zustand der Pforte PRI1 Pforte TNV1 PRI2 Pforte TNV1 Ethernetpforte SELV Managementpforte...

Страница 103: ...ukt der Klasse A In einer Haushaltumgebung k nnte dieses Produkt zu St rungen des Radio und Fernsehempfangs f hren In diesem Fall m sste der Benutzer dieses Produkts allenfalls angebrachte Ma nahmen t...

Страница 104: ...2 3 and 4 7 Safety Aust and NZ TS001 1997 AS NZS3260 1993 Information processing and business equipment terminal equipment safety 8 EMC Europe EN55022 1998 Radio frequency emissions ITE telecoms emiss...

Страница 105: ...l Height 50 mm Width 275 mm Depth 217 mm Chassis Pressed steel with black paint nish Front Panel Injection moulded plastic with view windows for LEDs Mass 1 4 kg Cooling Convection cooled should be si...

Страница 106: ...on gurable in DPNSS Frame loss alignment CCITT G 706 at 2 048Mbit s Signalling Channel TS 16 Common channel signalling timeslot 16 Signalling Protocols DPNSS BTNR 188 Issue 5 sections 1 7 plus some su...

Страница 107: ...e ASCII menu text interface Management Protocol Structured ASCII command response interface Alarm Connector Alarm Relay Contacts Connections Weidm ller BL5 08 Orange 3 way connector with terminal scre...

Страница 108: ...20 Ohm Management Terminal Connection When on line control of InterChange iQ 2000 is required a permanent connection must be established to the 9 way female D type connector labelled Management at the...

Страница 109: ...ptions OPERATION MODE ASYNC FIXED DTE RATE OF 38400 8 DATA BITS NO PARITY 1 STOP BIT LINE SPEED MINIMUM OF V22 BIS XON CHAR 17 11 HEX XOFF CHAR 19 13 HEX REMOTE FLOW CONTROL ON LOCAL FLOW CONTROL XON...

Страница 110: ...n terms such as 1 in 10 3 1 in 10 5 BTNR British Telecommunications Network Requirements C CCITT International Telegraph and Telephone Consultative Committee Now renamed to ITU CLI Command Line Interp...

Страница 111: ...nt faults affecting only a subset of the services such as a call failure MTTR Mean Time To Return or Repair or Recovery Average time for repair recovery from a major fault Does not imply that on site...

Страница 112: ...Westell limited Ringway House Bell Road Daneshill Basingstoke Hampshire RG24 8FB United Kingdom Tel 44 0 1256 843311 Fax 44 0 1256 840429 email info westell co uk www westell co uk...

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