reference document1 information about connectivity methods a presentation by kaihatsu techno centre...

Reference Document 1

Information about Connectivity Methods

A presentation by Kaihatsu Techno Centre Pvt. Ltd.

As a reference document for their customersVersion 1.0, 2002

http://www.ktcpl.com

This presentation is a property of Kaihatsu Techno Centre Pvt. Ltd. This is intended for the restricted use for the customers and prospective clients of Kaihatsu Techno Centre. This is a reference document only. The information given in this presentation is correct up-to the knowledge of the company. However this information is only for reference and can not be used by any one against Kaihatsu Techno Centre for any legal matters. The use of this document is only for general guidelines about selecting the best possible network link for his/her application. This presentation can not be considered for any loss of data or any other loss. This presentation must be utilised in full with total 24 pages. This presentation or the writer or Kaihatsu Techno Centre can be held responsible for any loss what so ever. The pricing given in this document may vary depending on the market situation. The pricing is given for comparison only and it should not be treated as an offer from Kaihatsu Techno Centre Pvt. Ltd. This presentation has 24 pages including this one. The figures, symbols and names used in this presentation is a trade mark property of respective individual or company.

http://www.ktcpl.com/

http://www.ktcpl.com/


Basics

Macintosh II

Local Station 1

Macintosh II

Local Station 2

Central Station

In this presentation we are discussing about communication between local station& central station. The communication between local station & instruments is notIn the scope. Please refer a separate document for the same.


Methods of Connectivity

Connectivity

Other WireCopper Wired Wireless

Local Private Public

Fiber Optics

Private Public

RS 232

RS 232 MD

RS 232 DC

RS 485

LAN

Leased Line

Intercom

Telephone

Hot Line

Infra Red

RF VHF/UHF

GSM/CDMA(S)

GPRS

Blue Tooth

Wireless LAN

PLCC

GSM/CDMA(D)

RF HF

Satellite


Connectivity ComparisonConnection Type RS 232 C (One to One Connection)

General Description Physical 9 pin wire connects two PCs on serial port

Drivers Available from Kaihatsu? Yes

Maximum Baud Rate? 115,200 bits per second

Maximum Distance? 10 meters

Any Government Permissions? No

Reliability? Very high

Real Time Data? Yes

Security? Very high

Advantages Simple, Cheapest, Real time data

Disadvantages Low Baud rate as compared to LAN, for multiple local stations serial ports may not be available on PC

Approx. One Time Cost Rs. 150/- for cable. If the serial ports are not available then, serial port card will cost Rs. 1,200/- extra

Approx. Recurring Cost Nil

Remarks Nil


Connectivity ComparisonConnection Type RS 232 MD Multi Drop (Many to One Connection)






Reliability? Compromised

Real Time Data? Yes

Security? Very high


Disadvantages Low Baud rate as compared to LAN, All stations must communicate on same baud rate. Maximum eight connections . Short Range

Approx. One Time Cost Rs. 150/- for cable per connection. If the serial ports are not available then, serial port card will cost Rs. 1,200/- extra


Remarks Nil


Connectivity ComparisonConnection Type RS 232 DC Daisy Chained (Many to One Connection)







Real Time Data? Yes

Security? Very high


Disadvantages Low Baud rate as compared to LAN, Maximum eight connections. The chain needs two serial ports per connection. Short range.

Approx. One Time Cost Rs. 150/- for cable per connection. If the serial ports are not available then, serial port card will cost Rs. 1,200/- extra


Remarks Nil


Connectivity ComparisonConnection Type RS 485 (Many to One Connection)




Maximum Distance? 1,200 meters (1.2 km)



Real Time Data? Yes

Security? Compromised


Disadvantages Low Baud rate as compared to LAN, Maximum thirty two connections.

Approx. One Time Cost Rs. 150/- for cable per connection. RS 232 to Rs 485 converter Rs. 5,000/-

Approx. Recurring Cost As the distance increases the baud rate decreases. At 1.2 km it is 300 bps

Remarks Nil


Connectivity ComparisonConnection Type LAN Local Area Network (Many to One Connection)

General Description Physical 8 pin wire connects two PCs on LAN port with hub in between


Maximum Baud Rate? 10 Mbps or 100 Mbps or 1 Giga byte (if used Giga byte LAN)



Reliability? High

Real Time Data? Yes

Security? high


Disadvantages Distance

Approx. One Time Cost Rs. 550/- for cable per connection. Rs. 10,000 for a hub


Remarks Nil


Connectivity ComparisonConnection Type Leased Line (One to One Connection)

General Description Physical two or four pair wire is laid between two PCs and they are connected using leased line modems. One of the modem is set on ‘originator’ of carrier while other is set on ‘receiver’ of carrier.






Real Time Data? Yes

Security? Very high

Advantages Highly reliable, highly secure , Real time data

Disadvantages Cost

Approx. One Time Cost Rs. 650/- for cable per km. Rs. 22,000/- for modems


Remarks Nil


Connectivity ComparisonConnection Type Intercom (One to One Connection)

General Description Physical two or four pair wire is laid between PCs and they are connected using telephone line modems. One intercom box is connected for all stations





Reliability? Very low

Real Time Data? No

Security? low

Advantages Cheaper solution for long distance

Disadvantages Non reliable, low baud rate

Approx. One Time Cost Rs. 1,500/- for modem. Rs. 5,000/- for intercom


Remarks Many intercoms only support audio communication. Hence proper intercom selection supporting digital data transfer is needed


Connectivity ComparisonConnection Type Telephone (Public Switching Telephone Network) One to One Connection

General Description PCs are connected using telephone line modems.



Maximum Distance? unlimited

Any Government Permissions? Yes – getting telephone line

Reliability? Low (Based on telephone exchange)

Real Time Data? No

Security? low

Advantages Cheaper solution for long distance

Disadvantages Non reliable, low baud rate, high recurring cost

Approx. One Time Cost Rs. 1,500/- for modem.

Approx. Recurring Cost Rs. 1.5/- per data transfer

Remarks Nil


Connectivity ComparisonConnection Type Hot Line (One to One Connection)

General Description PCs are connected using telephone line modems.



Maximum Distance? Unlimited

Any Government Permissions? Yes

Reliability? Low (Based on telephone exchange)

Real Time Data? Yes

Security? low

Advantages Cheaper solution for long distance real time data

Disadvantages Non reliable, low baud rate, high recurring cost


Approx. Recurring Cost Annual Rental charges based on distance

Remarks Nil


Connectivity ComparisonConnection Type Power Line Carrier Communication (Many to One Connection)

General Description PCs are connected using PLCC modems. The data is transferred through power line


Maximum Baud Rate? 300 bits per second



Reliability? Low (Based on mains harmonics generated by other devices)

Real Time Data? Yes

Security? compromised

Advantages Cheaper solution, No extra wiring.

Disadvantages Non reliable, low baud rate, small distance



Remarks Data can not cross over the mains transformer


Connectivity ComparisonConnection Type Optical Fibber Communication [OFC] (One to One Connection)

General Description PCs are connected using OFC Converter. The data is transferred through Fibber Optics Cables


Maximum Baud Rate? 1 Giga byte

Maximum Distance? 5,000 meters (5 km) – without repeater. Unlimited with repeater


Reliability? Very High

Real Time Data? Yes

Security? Very High

Advantages Technically best solution, high baud rate, high relliability, high security and real time

Disadvantages Cost

Approx. One Time Cost Rs. 19,000/- for Fibber Optics Converter. Rs. 65/- per meter is Optical fibber


Remarks Nil


Connectivity ComparisonConnection Type Infra Red Communication [IR] (One to One Connection)

General Description PCs are connected using Infra Red Port.


Maximum Baud Rate? 4 Mega byte

Maximum Distance? 10 centi meters Line of site


Reliability? High

Real Time Data? Yes

Security? Very High

Advantages high baud rate, high reliability, high security and real time

Disadvantages Short distance

Approx. One Time Cost Rs. 2,000/- for IR port if not available in built with PC


Remarks Nil


Connectivity ComparisonConnection Type Radio Frequency VHF/UHF band (One to One Connection)

300 MHz to 800 MHz

General Description PCs are connected using RF Modem.


Maximum Baud Rate? 14,400 bps

Maximum Distance? 800 meters without antenna, 5 km with antenna. Line of Site Operation

Any Government Permissions? Yes, WPC VHF band 10 mW power 25 kHz channel separation


Real Time Data? Yes


Advantages Real time without wiring

Disadvantages Government approvals and low baud rate

Approx. One Time Cost Rs. 4,000/- for RF modem, Rs. 5,000 for antenna

Approx. Recurring Cost Small license fee per year

Remarks Nil


Connectivity ComparisonConnection Type Radio Frequency HF band (One to One Connection)

12 MHz to 47 MHz band

General Description PCs are connected using RF Modem.



Maximum Distance? 75 km with antenna

Any Government Permissions? Yes, WPC HF band


Real Time Data? Yes


Advantages Real time without wiring

Disadvantages High cost, Government approvals and low baud rate

Approx. One Time Cost Rs. 45,000/- for RF modem, Rs. 35,000 for antenna

Approx. Recurring Cost License fee per year

Remarks Nil


Connectivity ComparisonConnection Type Blue Tooth (One to One Connection)

2.5 GHz band

General Description PCs are connected using blue tooth dongle.


Maximum Baud Rate? 4 MHz

Maximum Distance? 25 centimeter



Real Time Data? Yes

Security? Very high

Advantages Real time without wiring & approvals

Disadvantages Low range

Approx. One Time Cost Rs. 4,500/- Blue tooth dongle


Remarks Nil


Connectivity ComparisonConnection Type Wireless Local Area Network (Many to One Connection)

2.5 GHz band

General Description PCs are connected using blue tooth dongle.


Maximum Baud Rate? 4 MHz




Real Time Data? Yes

Security? Very high

Advantages Real time without wiring & approvals

Disadvantages Low range & cost

Approx. One Time Cost Rs. 4,500/- Blue tooth dongle + Rs. 18,000 for wireless hub


Remarks Nil


Connectivity ComparisonConnection Type Satellite (One to One Connection)

9.5 GHz (ku) band

General Description PCs are connected using satellite dish.

Drivers Available from Kaihatsu? Beta version

Maximum Baud Rate? 1 G bite per sec


Any Government Permissions? yes


Real Time Data? Yes

Security? Very high

Advantages The best in wireless communication. High reliability, high security, real time data, high speed and no range restriction

Disadvantages cost

Approx. One Time Cost Rs. 1,00,000/- per terminal

Approx. Recurring Cost Channel license fee

Remarks Nil


Connectivity ComparisonConnection Type Global System for Mobile/Code Division Multiple Access (GSM/CDMA) Short

Messaging Service (SMS) based connectivity (One to One Connection)

900 MHz band

General Description PCs are connected using GSM modems. The data is transferred through Short Message Service calls




Any Government Permissions? Yes getting GSM connection


Real Time Data? No


Advantages Low cost, long distance reliable without Government permissions communication

Disadvantages Based on network coverage area

Approx. One Time Cost Rs 12,000 per terminal

Approx. Recurring Cost Rs. 3/- per data transfer

Remarks Nil


Connectivity ComparisonConnection Type Global System for Mobile/Code Division Multiple Access (GSM/CDMA) Digital

File Transfer based connectivity (One to One Connection)

900 MHz band

General Description PCs are connected using GSM modems. The data is transferred through Data call file transfer technique






Real Time Data? No


Advantages Low cost, long distance reliable without Government permissions communication



Approx. Recurring Cost Rs. 3/- per data transfer

Remarks Nil


Connectivity ComparisonConnection Type General Package Reading Service (GPRS) based connectivity (Many to One

Connection)

900 MHz band

General Description PCs are connected using GSM/ GPRS modems. The data is transferred through TCP/IP file transfer technique






Real Time Data? Yes


Advantages Low cost, long distance reliable without Government permission. Real time data



Approx. Recurring Cost Normal monthly fees of Rs. 800/- approx.

Remarks Nil


Wish you all the best for selecting the proper connectivity

By: Kaihatsu Techno Centre Pvt. Ltd

This presentation is a property of Kaihatsu Techno Centre Pvt. Ltd. This is intended for the restricted use for the customers and prospective clients of Kaihatsu Techno Centre. This is a reference document only. The information given in this presentation is correct up-to the knowledge of the company. However this information is only for reference and can not be used by any one against Kaihatsu Techno Centre for any legal matters. The use of this document is only for general guidelines about selecting the best possible network link for his/her application. This presentation can not be considered for any loss of data or any other loss. This presentation must be utilised in full with total 24 pages. This presentation or the writer or Kaihatsu Techno Centre can be held responsible for any loss what so ever. The pricing given in this document may vary depending on the market situation. The pricing is given for comparison only and it should not be treated as an offer from Kaihatsu Techno Centre Pvt. Ltd. This presentation has 24 pages including this one. The figures, symbols and names used in this presentation is a trade mark property of respective individual or company.

reference document1 information about connectivity methods a presentation by kaihatsu techno centre...

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