- •Question for the exam in subject Switching systems and information distribution. 2016-2017 a.Y. Оглавление
- •Principles of national telephone network construction in Ukraine. Numbering in national telephone network.
- •Figure 1.4 - National numbering format.
- •1.2 National Numbering Plane
- •Principles of zonal telephone network construction in Ukraine. Numbering in zonal telephone network.
- •Principles of urban telephone network construction (utn). Example of utn with five digit numbering construction. Example of analogue-digital utn construction.
- •Switching method classification. Channel, message and packet switching. Switching method comparison.
- •Switching method classification. Channel switching technology. Features, advantages and disadvantages.
- •Switching method classification. Message and packet switching technologies. Features, advantages and disadvantages.
- •Digital switching fields. Construction and operation principles of space switching unit (ssu) with parameters 2×4×6 built upon мх.
- •Digital switching fields. Construction and operation principles of space switching unit (ssu) with parameters 2×4×6 built upon dмх.
- •Digital switching fields. Construction and operation principles of time switching unit (tsu) with parameters 1×8×8. Control modes in tsu.
- •Il ol g c o u n t e r cm cell- cm cell- cm cell- cm cell- Controller
- •Dss «Kvant-e». Subscriber access subsystem. Analogue subscriber lines including.
- •Line access subsystem of a dss
- •Dss «Kvant-e». Analogue customer unit borscht function.
- •Dss «Kvant-e». Subscriber access subsystem. Slu-128 scheme. Short description of main elements.
- •Figure 2.2 – Narrowband access subscriber module of Kvant-e
- •Dss «Kvant-e». Subscriber access subsystem. Algorithm of outgoing call in slu-128.
- •2.2 Algorithm of connection set up
- •Step 1. Dial tone sending
- •Step 2. Pulse dialing
- •Step 5. The controller of sm-b operates sm-b equipment in order to establish connection
- •Step 7. Answer of subscriber b
- •Dss «Kvant-e». Subscriber access subsystem. Algorithm of incoming call in slu-128.
- •Dss «Kvant-e». Signalling subsystem. Innersystem signalling, issc packet structure.
- •Architecture of dss si-2000. Parameters and short characteristics of modules mlc and mca
- •Architecture of si-2000 dss
- •Multiservice subscriber access networks based on dslam (ban). Review of wired multiservice access technologies.
- •2) Broadband access node an-bb (ban, hBan, miniBan, microBan)
- •Example of tasks.
Question for the exam in subject Switching systems and information distribution. 2016-2017 a.Y. Оглавление
1 Principles of national telephone network construction in Ukraine. Numbering in national telephone network. 2
2 Principles of zonal telephone network construction in Ukraine. Numbering in zonal telephone network. 5
3 Principles of urban telephone network construction (UTN). Example of UTN with five digit numbering construction. Example of analogue-digital UTN construction. 6
4 Switching method classification. Channel, message and packet switching. Switching method comparison. 10
5 Switching method classification. Channel switching technology. Features, advantages and disadvantages. 12
6 Switching method classification. Message and packet switching technologies. Features, advantages and disadvantages. 13
7 Digital switching fields. Construction and operation principles of space switching unit (SSU) with parameters 2×4×6 built upon МХ. 14
8 Digital switching fields. Construction and operation principles of space switching unit (SSU) with parameters 2×4×6 built upon DМХ. 14
9 Digital switching fields. Construction and operation principles of time switching unit (TSU) with parameters 1×8×8. Control modes in TSU. 14
10 DSS «Kvant-E». Subscriber access subsystem. Analogue subscriber lines including. 18
11 DSS «Kvant-E». Analogue customer unit BORSCHT function. 22
12 DSS «Kvant-E». Subscriber access subsystem. SLU-128 scheme. Short description of main elements. 22
13 DSS «Kvant-E». Subscriber access subsystem. Algorithm of outgoing call in SLU-128. 26
2.2 Algorithm of connection set up 26
Step 0. Subscriber A requests a connection 27
Step 1. Dial tone sending 27
Step 2. Pulse dialing 27
Step 3. The controller of SM-A operates SM-A equipment in order to establish connection 27
Step 4. CD controls connection setup process within SCU 28
Step 5. The controller of SM-B operates SM-B equipment in order to establish connection 28
Step 6. Diagnostic procedures and further connection setup 28
Step 7. Answer of subscriber B 29
Step 8. Conversation between the subscribers 29
Step 9. Phone of subscriber A is in the “on-hook” state 29
Step 10. Sending the busy tone towards the “off-hook” subscriber 29
14 DSS «Kvant-E». Subscriber access subsystem. Algorithm of incoming call in SLU-128. 29
15 DSS «Kvant-E». Signalling subsystem. Innersystem signalling, ISSC packet structure. 30
16 Architecture of DSS SI-2000. Parameters and short characteristics of modules MLC and MCA 31
17 Next Generation Networks. Definition of the Next Generation Network. Services in multiservice networks and quality of service. Nomenclature and characteristics of NGN services and their implementation (Triple Play Service). 33
18 Functional architecture of NGN. Architecture of NGN and assignment of its components (AG, MG, SG, Softswitch). The generalized structure of the network based on Softswitch. Softswitches 4th and 5th classes. Signaling protocols in the NGN. 37
19 Multiservice subscriber access networks based on DSLAM (BAN). Review of wired multiservice access technologies. 40