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6.1 Moving Around 

One of the obvious benefits of having a wireless network is that the acquisition units can 
be moved to different locations. When moved the acquisition unit can be moved in and 
outof the range of other network units. This chapter describes some  typical scenarios.

 

6.1.1 Moving Within Network 

While  being  moved,  the  mobile  network  unit  always  stays  within  one  or  more  network 
units. 
 

 

Preconditions: 

●

 

All network units belong to the same network. 

●

 

The mobile network unit is in range of stationary network unit A. 

●

 

The mobile network unit is out of the range of stationary network unit B. 

 
Sequence: 

1.

 

The mobile network unit is pushed into range of stationary network unit B. 

2.

 

The mobile network unit establishes the connection with stationary network unit 

B. 
3.

 

The mobile network unit is pushed out of the range of stationary network unit A. 

4.

 

The mobile network unit loses the connection to stationary network unit A. 

 

 

Содержание 6543891 D3492

Страница 1: ...ing Manual This document contains a functional and operational manual for the CEREC Radio Device which implements a wireless network to be used for the communication between acquisition units and mill...

Страница 2: ...creation failures 5 3 1 Isolated network unit 5 3 2 Multiple networks created 5 4 Extending the network 5 4 1 Add new network unit 5 4 2 Reduce network 5 5 Increasing network coverage 5 5 1 LAN cable...

Страница 3: ...3 33 6 2 3 Multiple streams 6 3 Transmit data using LAN 6 3 1 LAN routing 6 3 2 Handover 6 3 3 Simultaneous access 6 4 Interrupted transmission...

Страница 4: ...in this manual please contact the service department of your local dealer or contact In the USA Sirona Dental Systems GmbH Sirona Dental Systems LLC Fabrikstrasse 31 4835 Sirona Drive Suite 100 D 6462...

Страница 5: ...ed at locations where there is at least 20cm separation distance between the antenna and all persons Information to the User Note This equipment has been tested and found to comply with the limits for...

Страница 6: ...l Elements Ethernet RJ45 connector for Ethernet 100 Base T with red and green LED DC Input Micro B USB connector for 5V DC power supply Reset Opening to press reset button Use small object to press LE...

Страница 7: ...Orange Green Comment Booting Off Off Both LEDs are not yet functional Networking Slow Slow Typically only seen when setting up a new network Connecting Off Slow Disconnected On Slow Should preferably...

Страница 8: ...TE FCC and IC Modulation GFSK Multiplexing None Air Data Rate 1 0 Mbit s Payload Data Rate Up to 300 Kbit s Antennas 2 x omni directional integrated reverse SMA Male vertical polarization dipole 2 0 d...

Страница 9: ...hat is used to acquire the dental data Data source Initiates the transmission to a milling unit Network unit A wireless transceiver that has an Ethernet connector The Ethernet socket also has LEDs to...

Страница 10: ...s to convert incoming Ethernet data into a number of wireless packages and forward these to one or more selected neighboring network units and vice versa This functionality is comparable to an Etherne...

Страница 11: ...this connection However any standard USB 3 0 connection can be used to power the network unit The network unit integrated in the CEREC mobile acquisition unit is powered in this way RJ 45 A network u...

Страница 12: ...nality of the CEREC Radio Device The following lists the chapters CEREC Radio Device network overview Creating a network Network creation failures Extending the network Increasing network coverage Res...

Страница 13: ...ther network units making the network connections very flexible This wireless network operates in the 2 4GHz band which is available worldwide for license free operation It therefore needs to be able...

Страница 14: ...h each other The created network is unique worldwide See Network creation failures should a problem arise 5 2 2 Isolated Network Unit A unique network is only created when two or more network units ar...

Страница 15: ...indications Networking Slow Slow In most cases only seen by the operator when setting up a new network Connecting Off Slow Disconnected On Slow Should preferably not happen since you want the network...

Страница 16: ...r approximately 5 seconds both network units A and B detect the lost connection to network unit C Notes There is not a difference if the network unit C would be moved out of the range of the network o...

Страница 17: ...ger than the transmission range additional network units can be added and interconnected using a LAN cable 1 In the communication the mobile network unit in the acquisition unit sends the packet to st...

Страница 18: ...ucture In this way the flexibility of increasing the coverage is very straightforward 5 6 Reset to Factory Defaults A network unit that was previously part of a network can be removed from this networ...

Страница 19: ...sistent memory Network setup The network unit was not previously part of a network and is trying to detect other network units to create a new network Network extension The network is created but stil...

Страница 20: ...d stored persistently in the network unit A network extension timer of 1 minute is started Network extension Detected A new network unit was detected and will be added to the network The timer is rest...

Страница 21: ...reen Comment Booting Off Off Both LEDs are still not functional Networking Slow Slow In most cases only seen by the operator when setting up a new network Connecting Off Slow Disconnected On Slow Shou...

Страница 22: ...el assigned in the 2 4 GHz band The Wi Fi channels in this band are illustrated in the figure below 5 8 2 Channel Control Each network unit uses a specific channel on which it can receive data 5 8 3 C...

Страница 23: ...ionality as implemented in the CEREC Radio Device this section describes the scenarios of some use cases in more detail The following use cases are described Moving around Transmit data wirelessly Tra...

Страница 24: ...tays within one or more network units Preconditions All network units belong to the same network The mobile network unit is in range of stationary network unit A The mobile network unit is out of the...

Страница 25: ...ationary network unit A The mobile network unit is out ofthe range of stationary network unit B Sequence 1 The mobile network unit is pushed out of the range of stationary network unit A 2 The mobile...

Страница 26: ...The mobile network unit is in range of the stationary network unit Sequence 1 The mobile network unit is pushed away from the stationary network unit 2 The mobile network unit detects that the connec...

Страница 27: ...uisition unit wants to start transmitting data to the milling unit Sequence 1 The acquisition unit sends a packet to the connected mobile network unit 2 The mobile network unit forwards the packet to...

Страница 28: ...cquisition unit sends the first data to the connected mobile network unit 2 The mobile network unit forwards the data to both stationary network units 3 Both stationary network units forward the data...

Страница 29: ...k unit A Sequence 1 At one point in time while the transmission to milling unit D is still ongoing the acquisition unit starts a transmission to milling unit C using another stationary network unit B...

Страница 30: ...nto the LAN 3 The data sent on the LAN by one stationary network unit is received by the other but is discarded 4 The milling unit receives the data from both stationary network units but discards the...

Страница 31: ...ork unit will connect with stationary network unit B 3 The acquisition unit is pushed out of the range of stationary network unit A 4 Data transmission will be temporarily interrupted 5 The mobile net...

Страница 32: ...ess Several acquisition units are transmitting their data via the same stationary network unit For acquisition unit B the effective data rate is lower than compared to the situation if the stationary...

Страница 33: ...path to the milling unit is available Sequence 1 The acquisition unit is pushed out of the range of the stationary network unit 2 After a while both the mobile network unit and stationary network uni...

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