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Personal Assignment 2

You have been asked to recommend a type of wiring for a manufacturing building. The size

of the building is 200 meters by 600 meters (corre sponding to about 6!0 feet by 2000 feet"#

and it houses large# heavy machinery. $ppro%imately!0 devices in this building must be

connected to a computer system. &ach device transmits data at 2 'bps and sends a small

packet of data every two to three seconds. ue to various buildingrelated factors# any cable

used for this network has to be suspended high overhead in a hardtoreach location. )hat

type of cable would you recommend* +se the media selection criteria introduced in this

chapter to arrive at your answer.

,awaban -

erdasarkan /enis bangunan manufaktur maka digunakan kabel hielded Twisted 1air (T1"

karena didalamnya terdapat satu lapisan pelindung kabel internalsehingga melindungi data

yang ditransmisikan dari interferensigangguan T1 (hielded Twisted 1air"# selain

dililitkan# /uga punya proteksi terhadap induksi atau interferensi sinyal dari luar kabel

berupa lapisan kertas alumunium foil# sebelum /aketpembungkus luar. ,enis kabel T1 tahan

terhadap gangguan sehingga kecepatannya mencapai 300mbps. 4ebih mudah dipelihara

karena kerusakan pada satu saluran tidak menganggu saluran lain

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