Boots – shoes – and leggings
Patent
1996-08-12
1998-08-18
Peeso, Thomas
Boots, shoes, and leggings
364184, 340507, 326 9, H05K 1000
Patent
active
057969337
DESCRIPTION:
BRIEF SUMMARY
This application claims benefit of international application PCT/FI95/00061, filed Feb. 13, 1995.
BACKGROUND OF THE INVENTION
The invention relates to a back-up method for equipment settings. The preferred range of use of the invention is to back up equipment settings of node equipments in a digital telecommunications system under all operating conditions, but in principle, the solution of the invention is applicable to backing up equipment settings of any similar electronic equipment, e.g. to backing up a database of a telephone exchange or switch.
A telecommunications system comprises a plurality of nodes communicating with each other via transmission paths. A node is constituted by a telecommunications equipment, e.g. a cross-connection equipment, comprising in a manner known per se several board units, which implement one or several telecommunication functions, such as cross-connection. In such a telecommunications equipment are stored a lot of various settings and parameters, the values of which depend on how the equipment in question controls or conveys traffic of the network and how the equipment is supposed to behave in different special situations, such as fault, alarm, emergency service, etc. These set values/parameters are stored in the equipment at the commissioning thereof.
When a board unit of an equipment is damaged, it has to be replaced by a new (i.e. another similar) board unit, the settings of which are either factory settings (a new production board) or other undefined settings (an old serviced/repaired board). It is then necessary to recopy the correct settings into the equipment in order to make it function in a desired manner. The copying is performed by connecting a terminal or another corresponding external device to the telecommunications equipment and by inputting each parameter separately from the terminal to the telecommunications equipment. It is a time-consuming job to go through and check each parameter (there may be even several hundreds of them), which retards a restarting of the equipment and thus of the whole telecommunications system. Additionally, such a manual input of parameters contains a rather high risk of that some parameter or parameters will be inputted to new board units erroneously, which means that the equipment will operate erroneously in future.
SUMMARY OF THE INVENTION
The object of the present invention is to eliminate the above-described problem and to provide a solution, through which a telecommunications equipment, and thus the whole telecommunications system, can be started quickly and reliably in association with a change of board unit.
The idea of the invention is to add such information to the settings that makes the equipment capable of utilizing back-up copies stored inside the equipment independently and quickly in failure and other change situations, in order to return the correct operating copy to the board unit and to bring the equipment as well as the whole network quickly into an operating condition. To implement this operation, the equipment shall be capable, also during its normal operation, of writing all changes made in the actual operating copy into the back-up copies, which are at least one, but preferably two, and of checking whether the copying was successful.
Thanks to the solution according to the invention, it is possible to maintain the settings important for the operation of the equipment even in case of serious equipment failures and the equipment can be brought quickly into an operating condition again, entirely without external settings or commands.
Preferred embodiments of the invention concern primarily additional information to be stored in the settings, by means of which information it is possible to speed up further a correct starting of the equipment in predetermined situations.
BRIEF DESCRIPTION OF THE DRAWINGS
In the following, the invention and its preferred embodiments will be described in greater detail by way of example with reference to embodiments according to the attached drawings, in which:
FIG. 1 s
REFERENCES:
patent: 4750136 (1988-06-01), Arpin et al.
patent: 5051895 (1991-09-01), Rogers
patent: 5317723 (1994-05-01), Heap et al.
patent: 5491804 (1996-02-01), Heath et al.
M68HC11 Reference Manual, Motorola, Inc., 1991.
CCITT Recommendation G.703, Geneva, 1991.
CCITT Recommendation G.704, Geneva, 1991.
Nokia Telecommunications Oy
Peeso Thomas
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