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Synchronous number answer with equipment (SDH) application example
From;    Author:Stand originally
Shanghai fine decide SDH application
Net of · this this locality by big the Tang Dynasty telegraphic SCT2500 equipment composition.
The protective means of ·SDH 2.5Gb/s is 2 fine two-way answer use paragraph of protection annulus.
· offers port of 2M, 155M.


Sichuan joins project of net of this locality of SDH of river post and telecommunications office
· uses SCT600 device. Deploy 155Mb/s group road dish (155Mb/s smooth mouth) make 155 Mb/s system.
· increases when business when, the network can be online upgrade to 622Mb/s system.
· installed 6 155Mb/s smooth interface in 9 tributary station dish. Equipment of each TM in the graph is 155Mb/sTM system.
System of · net canal manages SCT600 system and Datangguang at the same time communication company is combining the PDH system with river original area.


Sichuan visits talk always project of net of prefectural SDH this locality
· Sichuan visits talk always net of prefectural SDH this locality uses SCT2500 device.
· uses 2 fine passageway to protect annulus.
· increases when business when, the network can be online upgrade to 2.5Gb/s system.


Shandong saves heart state city to face project of net of city SDH this locality
· Shandong faces net of city SDH this locality to use the SCT600 device of the company.
· annulus of self-healing of an annulus of self-healing of a link of a 155Mb/s SDH, 155Mb/s SDH, 622Mb/s SDH, two annulus of one catenary
Be linked together node is in the bureau that face city
Node is linked together to use device of a SCT600 ADM only between · annulus, reflect SCT600 capacity adequately to wait for an advantage by force with alternate ability greatly
3 stature nets are in charge of by a net is · all consolidates management.


Chengdu transmits a system to kapok SDH
· is used big the Tang Dynasty telegraphic SCT2500 SDH light transmits equipment
· uses smooth power amplifier, light beforehand buy amplifier and radial road amplifier, implementation exceeds Sunday run to transmit
· Chengdu cent inserts 630 2M; Elegant how, Xi Chang is divided respectively insert 441 2M; Kapok cent inserts 504 2M
· Chengdu sets a net to provide a system advocate station, elegant how, Xi Chang, kapok sets deputy station respectively
· is full-length 755.1K m


Hunan Province individual plant net of this locality of continent city SDH 2.5Gb/s
· Hunan individual plant continent the SCT2500 device that net of SDH this locality uses a firm.
2 fine passageway protects · annulus.

Guizhou copper benevolence project of net of area SDH this locality
Use SCT2500 device. Deploy 2.5Gb/s group road dish (2.5Gb/s smooth mouth) make STM-16 system.
· uses 2 a rope for towing a boat answer with paragraph share protective annulus. Full-length 614km.
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