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Kini awọn iyato laarin tẹlentẹle ebute oko ati ni afiwe ebute oko?

2024-09-27 09:02:48

Loni a yoo sọrọ nipa iyatọ laarin ibudo ni tẹlentẹle ati ibudo ti o jọra. Mejeeji ni tẹlentẹle ibudo ati ni afiwe ibudo ni o wa wọpọ kọmputa atọkun, eyi ti o ti lo lati so awọn ẹrọ ati awọn kọmputa, ṣugbọn nibẹ ni o wa nla iyato laarin wọn.

1. Kini ibudo ti o jọra?

Ni afiwe ibudo ni abbreviation ti ni afiwe ni wiwo. Ni afiwe ibudo ti ise awọn kọmputa nlo a 25-pin D-sókè asopo. Ohun ti a pe ni “parallel” tumọ si pe awọn iwọn 8 ti data ni a gbejade ni akoko kanna nipasẹ awọn ila ti o jọra, nitorinaa iyara gbigbe data ti ni ilọsiwaju pupọ, ṣugbọn gigun laini ti gbigbe afiwera ni opin. Nitori ipari gigun, kikọlu naa yoo pọ si, ati pe data yoo jẹ ifaragba si awọn aṣiṣe. Ni lọwọlọwọ, wiwo ti o jọra jẹ lilo akọkọ bi ibudo itẹwe, ati bẹbẹ lọ.

2. Kini ibudo ni tẹlentẹle?

A tun pe ibudo ni tẹlentẹle ni wiwo ibaraẹnisọrọ ni tẹlentẹle, tabi ibudo COM. Gẹgẹbi awọn iṣedede itanna ati awọn ilana, awọn ebute oko oju omi ni tẹlentẹle pẹlu RS-232-C, RS-422, RS485, USB, ati bẹbẹ lọ.

3. Kini iyato laarin awọn meji?

1. Tẹlentẹle ebute oko ati ni afiwe ebute oko lilo orisirisi awọn ọna lati atagba data. Awọn ni tẹlentẹle ibudo ni a bit-nipasẹ-bit gbigbe ni wiwo ti o rán data si kọmputa kan tabi awọn ẹrọ miiran bit nipa bit. Ọna yii le rii daju igbẹkẹle gbigbe data, ṣugbọn iyara gbigbe lọra. Ibudo ti o jọra jẹ wiwo gbigbe ti o jọra ti o le firanṣẹ awọn iwọn data pupọ ni akoko kanna, nitorinaa iyara gbigbe naa yarayara, ṣugbọn o ni irọrun ni ipa nipasẹ kikọlu.

2. Tẹlentẹle ebute oko ati ni afiwe ebute oko ni o wa tun o yatọ si awọn ẹrọ ati awọn oju iṣẹlẹ ti a lo. Awọn ebute oko oju omi ni tẹlentẹle ni a maa n lo lati sopọ diẹ ninu awọn ẹrọ iyara kekere, gẹgẹbi awọn atẹwe, awọn modems, bbl Iyara gbigbe data wọn ko ga, ṣugbọn igbẹkẹle gbigbe data ni a nilo lati ga. Awọn ebute oko oju omi ti o jọra ni a maa n lo lati sopọ awọn ẹrọ iyara to gaju, gẹgẹbi awọn dirafu lile, awọn awakọ opiti, ati bẹbẹ lọ, eyiti o nilo awọn iyara gbigbe ti o ga julọ ati iye nla ti gbigbe data, ṣugbọn ni awọn ibeere kekere fun igbẹkẹle gbigbe data.

3. Awọn ti ara atọkun ti ni tẹlentẹle ebute oko ati ki o ni afiwe ebute oko tun yatọ. Tẹlentẹle ebute oko maa lo DB9 tabi DB25 atọkun, nigba ti ni afiwe ebute oko lo DB25 atọkun tabi ni afiwe ibudo pinni. Ni afikun, awọn ebute oko oju omi tẹlentẹle tun le lo awọn atọkun USB fun gbigbe data.

4. Ipari

Awọn iyatọ nla wa laarin awọn ebute oko oju omi tẹlentẹle ati awọn ebute oko ti o jọra ni awọn ofin ti awọn ọna gbigbe data, awọn oju iṣẹlẹ lilo, ati awọn atọkun ti ara. Nitorinaa, nigbati o ba yan wiwo kan, o nilo lati yan wiwo ti o yẹ ti o da lori awọn ibeere ohun elo kan pato.

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