BT NTU6 Скачать руководство пользователя | Manualshive

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Offices worldwide

The telecommunications services described in this publication
are subject to availability and may be modified from time to time.
Services and equipment are provided subject to British
Telecommunications plc’s respective standard conditions of contract.
Nothing in this publication forms any part of any contract.
BT and the BT logo are trademarks of British Telecommunications plc.

© British Telecommunications plc 2003
Registered office: 81 Newgate Street, London EC1A 7AJ
Registered in England and Wales No: 4190816
Produced by stratauk.net
Printed in England by Vitesse Printers Co Ltd

PHME 44216/12/03

Printed on paper which meets international environmental standards

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Содержание NTU6

Страница 1: ...Operating guide Private Circuits NETWORK TERMINATING UNIT 6 KiloStream Private Circuits International KiloStream Private Circuits ...

Страница 2: ...t please ring your BT Service Centre on this number Please quote your circuit type your circuit number s your end address For International KiloStream private circuits please ring the number provided in your customer handover information Operating guide 2 ...

Страница 3: ...ed 7 Examining the set up of your NTU 8 Looking at the corrent status of your NTU 12 5 If you have a problem 9 6 Testing your private circuit 10 Using the test menu 10 Testing your terminal equipment 11 Testing the connection from the network 11 Testing the operation of the entire circuit 12 7 How to report a fault 14 Operating guide 3 ...

Страница 4: ...or voice transmission A national private circuit An international private circuit Operating guide 4 Customer Terminal Equipment Network Terminating Unit Network Terminating Unit Customer Terminal Equipment KiloStream circuit Network Customer s Premises Customer s Premises Customer Terminal Equipment Network Terminating Unit Network Terminating Unit Customer Terminal Equipment International KiloStr...

Страница 5: ...remote alarms within the BT network and your service may be affected Single NTU If you ve ordered a single circuit the unit is contained in a blue rectangular box The lamps on the front of the unit in conjunction with the liquid crystal display LCD show the operating state of the circuit Front view of KiloStream NTU6 single unit Multiple NTU If you ve ordered a number of lines or a network of serv...

Страница 6: ...DISP button Front view of NTU6 shelf mounted unit Cabling distance To achieve the best performance from your circuit the cabling distance between the NTU and any data terminal equipment DTE shouldn t exceed 180 meters If you relocate the DTE at any time please ensure that you don t exceed this distance Operating guide 6 Yellow lamp FAULT TM LA FXD DISP RX NRDY Button Yellow lamp Power Unit Button ...

Страница 7: ...ircuit is provided depending on the type of circuit and the conditions at the distant end the menu will show one of the following messages and a light may also be illuminated Whenever a binary 1 is present in the recieved data the RXD light will be illuminated STATUS TEST STATUS OPTIONS Operating guide 7 circuit type message you see light illuminated X 21 64kbit s 56kbits S NTU READY X 21 2 4 48kb...

Страница 8: ...e up or down Scroll button to see the NO X21 OPTIONS message Looking at the current status of your NTU You can use the STATUS menu which is display only to examine the current operational status of the NTU in its normal state There are six messages S LOOP ACTIVE S NTU NOT READY S NTU READY S SEND DATA S RECEIVE DATA S DATA TRANSFER The NTU display will always revert to one of the messages above wh...

Страница 9: ...l connections to the NTU FAULT light illuminated and then report the fault to the relevant Service Centre and the TX NRDY button or local ask the distant end user to check FAULT and RXD lights loop has been operated at illuminated the distant NTU and the distant data terminal ask the distant end user to check RX NRDY light illuminated equipment DTE is not connected a remote loop has been ask the d...

Страница 10: ...w run a self test on the NTU if the NTU doesn t pass it locks with the message and you should report this to the relevant X Stream Service Centre to cause the distant end to provide a loop back only possible where the NTU is set for X21 bis working see below transmit binary 1s to the distant end transmit binary 0s to the distant end illuminate all lights on the NTU T LAMP TEST T SEND BIN 0 T SEND ...

Страница 11: ...mer Terminal Equipment NTU Distant site Local site UK access section Distant access section Loopback Local loop Digital Network Main Link International Gateway International Gateway Distant country UK press to Menu button rotate the LCD to after three seconds the LCD changes to flashing Toggle button freeze Prog button apply a local loop the red TM light is illuminated and after one minute the LCD...

Страница 12: ...he LCD to after three seconds the LCD changes to flashing up or down Scroll rotate the LCD to flashing button Toggle button freeze Prog button apply a loopback the red TM light will be illuminated and after one minute the display changes to you can t send data to or receive data from the distant end S LOOP ACTIVE T LOOPBACK T LOOPBACK T LOCAL LOOP TEST MENU press to Menu button rotate the LCD to a...

Страница 13: ... circuits it is not possible to call up a remote loop from your NTU6 You will need to contact the distant end user and ask them to apply a loopback Operating guide 13 if the LCD displays press to Menu button rotate the LCD to after three seconds the LCD changes to up or down Scroll rotate the LCD until it reaches a button steady not flashing display Toggle button make the LCD flash or Prog button ...

Страница 14: ...ibed in the section above Testing your private circuit If the fault is with the private circuit or the NTU please telephone your nominated X Stream Service Centre as shown on the inside front cover of this guide If the fault is with your International KiloStream private circuit please ring the number provided in your customer handover information When you ring you ll need to give the following inf...

Страница 15: ...our service and will report back to you when service has been restored You can report a problem at any time of the day or night seven days a week 365 days a year If you report a a problem outside normal office hours 0900 to 1700 Monday to Friday you will need to state if access to your premises is available outside normal office hours N No ot te e X Stream Service Centre staff don t have test acce...

Страница 16: ...ndard conditions of contract Nothing in this publication forms any part of any contract BT and the BT logo are trademarks of British Telecommunications plc British Telecommunications plc 2003 Registered office 81 Newgate Street London EC1A 7AJ Registered in England and Wales No 4190816 Produced by stratauk net Printed in England by Vitesse Printers Co Ltd PHME 44216 12 03 Printed on paper which me...

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