CN202759510U - Method for connecting two digital program-control telephone switches together by utilizing optical fiber modems - Google Patents
Method for connecting two digital program-control telephone switches together by utilizing optical fiber modems Download PDFInfo
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- CN202759510U CN202759510U CN 201220350636 CN201220350636U CN202759510U CN 202759510 U CN202759510 U CN 202759510U CN 201220350636 CN201220350636 CN 201220350636 CN 201220350636 U CN201220350636 U CN 201220350636U CN 202759510 U CN202759510 U CN 202759510U
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- optical fiber
- fibre optic
- optic modem
- telephone exchange
- modem
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Abstract
The utility model provides a method for connecting two digital program-control telephone switches together by utilizing optical fiber modems. Optical fibers and the optical fiber modems are utilized for connecting the two digital program-control telephone switches together. The method for connecting the two digital program-control telephone switches together by utilizing the optical fiber modems is characterized in that an optical fiber interface of the first digital program-control telephone switch (1-1) is connected with an inlet of the first optical fiber modem OP-E1-1 through an optical fiber cable (3-1); an outlet of the optical fiber modem OP-E1-1 is connected with an inlet of the second optical fiber modem OP-E1-2 through an optical fiber cable (3-2); and an outlet of the second optical fiber modem OP-E1-2 is connected with an optical fiber interface of the second digital program-control telephone switch (2-1) through an optical fiber cable (3-3). By using the method for connecting the two digital program-control telephone switches together by utilizing the optical fiber modems within an enterprise, the maintenance cost and the communication cost are reduced. The communication speed is high and faults are not prone to occur. And the normal and reliable operation of communication is guaranteed.
Description
Technical field
The utility model relates to being connected of fibre optic modem and two number of units word SPC telephone exchange.
Background technology
With the program control freephone of internal digital, can save company and employee's communication fee spending; In enterprise's activity in production, accomplish to command constantly, information in time passes on, produce, living condition in time understands.Enterprise's office building and living area and each subsidiary factory's workshop are apart from too far away; Use a number of units word SPC telephone exchange as normal communications such as production, office, lives.Connect with oversize communication cable, single section line fault often occurs, affect communication, and the communication cable price is high.One number of units word SPC telephone exchange has not satisfied the needs of productive life, office, use at full capacity original Program Controlled Exchanger, these numbers use easily and are out of order, host circuit cpu circuit board, the easy fault of interior lines circuit board, even crash, communication cable also easily is out of order, and gives and produces, handles official business, lives and bring stopping using of communication.Be head it off, in life, the Office Area is installed in addition with a number of units word SPC telephone exchange, still, how to allow uses that be connected of two looms, satisfy produce, the needs of life, office, could real convenient use.
Summary of the invention
The purpose of this utility model is to disclose being connected of a kind of fibre optic modem and two number of units word SPC telephone exchange, be used for solving in enterprises the signal of communication transmission problem of production, life, the use cost of avoiding simultaneously using in a large number communication cable to bring is high, the deficiencies such as easy break-down.
The connectivity scenario of fibre optic modem and two number of units word SPC telephone exchange:
Utilize optical fiber and fibre optic modem that two number of units word SPC telephone exchange are linked together; Concrete connected mode is: First Program Controlled Exchanger 1-1 optical fiber interface place, be connected to the import of First fibre optic modem OP-E1-1 with optical fiber cable 3-1, link the import of second fibre optic modem OP-E1-2 from the outlet of fibre optic modem OP-E1-1 with optical fiber cable 3-2, receive the second number of units word SPC telephone exchange 2-1 optical fiber interface from the outlet of second fibre optic modem OP-E1-2 with optical fiber cable 3-3 again and consist of.
Between Program Controlled Exchanger (1-1,2-1) and fibre optic modem OP-E1-1 and fibre optic modem OP-E1-2 and AC220V civil power, be connected to respectively isolating transformer T1, T2.
Lead-out wire in every number of units word SPC telephone exchange is separately installed with the telephony wiring case, is connected with multiple telephone sets respectively by communication cable again.
Can connect in the same way the Program Controlled Exchanger more than two, become a local telephone communication network.
Optical-fibre communications and fibre optic modem have been adopted, two number of units word SPC telephone exchange are coupled together use, the many problems of enterprise's production, life, office distance and unit operational failure have been solved, reach production, life constantly commander and the timely understanding of information, reduce fault, save maintenance and communication fee.Communication speed is fast, is not easy to be out of order, and guarantees normal, the reliable use of communication.
Description of drawings
Fig. 1 is the circuit theory diagrams that fibre optic modem connects two number of units word SPC telephone exchange.
Embodiment
Below in conjunction with accompanying drawing, as embodiment, scheme is further specified.
With reference to Fig. 1, be connected by optical fiber cable 3-1 between the interface of Program Controlled Exchanger 1-1 and fibre optic modem OP-E1-1 import; Be connected by optical fiber cable 3-3 between the interface of Program Controlled Exchanger 2-1 and fibre optic modem OP-E1-2 import; Be connected with optical fiber 3-2 between fibre optic modem OP-E1-1 outlet and fibre optic modem OP-E1-2 import.Namely finish being connected between two number of units word SPC telephone exchange and two fibre optic modems.
At the lead-out wire 1-2 of Program Controlled Exchanger 1-1 termination telephony wiring case 1-3, by the communication cable 1-4 machine 1-5 that answers the call, the quantity of telephone set 1-5 comprises whole telephone sets in Office Area and living area again.
At the lead-out wire 2-2 of Program Controlled Exchanger 2-1 termination telephony wiring case 2-3, by the communication cable 2-4 machine 2-5 that answers the call, the quantity of telephone set 2-5 comprises whole telephone sets of production area again.
The power supply of Program Controlled Exchanger 1-1 and fibre optic modem OP-E1-1 uses the AC220V civil power, and line L1 and zero line N1 start to exchange fire respectively through the two poles of the earth of the circuit breaker Q F1 of the primary coil of isolating transformer T1.The secondary live wire L2 of isolating transformer T1, zero line N2 two joints connect respectively the power interface of Program Controlled Exchanger and fibre optic modem OP-E1-1.
The power supply of Program Controlled Exchanger 2-1 and fibre optic modem OP-E1-2 uses the AC220V civil power, and line L3 and zero line N3 start to exchange fire respectively through the two poles of the earth of the circuit breaker Q F2 of the primary coil of isolating transformer T2.The secondary live wire L4 of isolating transformer T2 and zero line N4 two joints connect respectively the power interface of Program Controlled Exchanger and fibre optic modem OP-E1-2.
Zinc oxide arrester BL1, BL2, BL3, BL4 HY1.5W-0.28/1.3, the earth connection of institute's ground connection can not link to each other with the electrical network earth connection, independent grounding, and earth resistance is less than 4 Ω.Fuse QF1, QF2 adopt the DZ47-63 type of electric current 8A.Isolating transformer T1, T2 usefulness-1000VA.Program Controlled Exchanger 1-1 and 2-1 model are JSY3000, and the telephony wiring case is the 1200mm*900mm*300mm specification, can connect at most 1000 phones.
On the live wire of the primary coil of isolating transformer T1 and zero line, be connected to respectively zinc oxide arrester BL1 and BL2; On the live wire of the primary coil of isolating transformer T2 and zero line, be connected to respectively zinc oxide arrester BL3 and BL4; To guarantee the safe handling of equipment.
Namely carry out being connected of fibre optic modem and two number of units word SPC telephone exchange, the wherein principle of optical-fibre communications according to such scheme; At first will be the signal that transmits at transmitting terminal, become the signal of telecommunication such as voice, then being modulated to demodulator sends and excites, make light intensity with the amplitude of the signal of telecommunication, frequency change and changing, and by the transmission of optical fiber process light reflection principle, after the receiving terminal detection is recovered to light signal, he is changed into the signal of telecommunication, after demodulation, revert to voice signal.He is a kind of anti-interference, radioresistance.The optical telecommunications cable low price.
The principle of fibre optic modem; Make the device that carries out the signal conversion between switch and the telephone wire, be comprised of modulator and demodulator two parts, modulator is can be at the device of the defeated voice signal of phone line, at receiving terminal the digital signal modulated of switch one-tenth.Demodulator converts voice signal to digital signal that the exchange function receives again, can realize data communication between the switch by modulator-demodulator and telephone wire.
Two Program Controlled Exchangers are communicated with one another, unaffectedly dial arbitrarily.Through normal communication after using, fault did not appear for many years.Solve office, life and produce the distant Communication of distance.Communication speed is fast, is not easy to be out of order, and guarantees the normal use of communication.
Claims (4)
1. being connected of fibre optic modem and two number of units word SPC telephone exchange, utilize optical fiber and fibre optic modem that two number of units word SPC telephone exchange are linked together; It is characterized in that First Program Controlled Exchanger (1-1) optical fiber interface place, be connected to the import of First fibre optic modem OP-E1-1 with optical fiber cable (3-1), from the import that the outlet of fibre optic modem OP-E1-1 is linked second fibre optic modem OP-E1-2 with optical fiber cable (3-2), receive the second number of units word SPC telephone exchange (2-1) optical fiber interface from the outlet of second fibre optic modem OP-E1-2 with optical fiber cable (3-3) again and consist of.
2. fibre optic modem according to claim 1 and two number of units word SPC telephone exchange is connected, it is characterized in that being separately installed with telephony wiring case (1-3,2-3) at the lead-out wire (1-2,2-2) of every number of units word SPC telephone exchange (1-1,2-1), be connected with multiple telephone sets (1-5,2-5) respectively by communication cable (1-4,2-4) again.
3. being connected of fibre optic modem according to claim 1 and two number of units word SPC telephone exchange, it is characterized in that being connected to respectively isolating transformer T1, T2 between Program Controlled Exchanger (1-1,2-1) and fibre optic modem OP-E1-1 and fibre optic modem OP-E1-2 and AC220V civil power.
4. being connected of fibre optic modem according to claim 1 and two number of units word SPC telephone exchange, it is characterized in that to connect in the same way the Program Controlled Exchanger more than two, become a local telephone communication network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350636 CN202759510U (en) | 2012-07-19 | 2012-07-19 | Method for connecting two digital program-control telephone switches together by utilizing optical fiber modems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350636 CN202759510U (en) | 2012-07-19 | 2012-07-19 | Method for connecting two digital program-control telephone switches together by utilizing optical fiber modems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202759510U true CN202759510U (en) | 2013-02-27 |
Family
ID=47738669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350636 Expired - Fee Related CN202759510U (en) | 2012-07-19 | 2012-07-19 | Method for connecting two digital program-control telephone switches together by utilizing optical fiber modems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202759510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114827764A (en) * | 2022-06-02 | 2022-07-29 | 金川集团股份有限公司 | Mine deep underground wired telephone communication network system |
-
2012
- 2012-07-19 CN CN 201220350636 patent/CN202759510U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114827764A (en) * | 2022-06-02 | 2022-07-29 | 金川集团股份有限公司 | Mine deep underground wired telephone communication network system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20160719 |