RS232 - Kia mōhio katoa !

taura rs232
taura rs232

RS232

Mō tētahi raina rangatū ka tae mai te mōhiohio mō ngā wā auau (tukutahi), hei ngā wā matapōkere rānei (tukutahingakore).


I waenga i te pūwhāwhiti (DTE) me tētahi pūwhiwhi (DCE) he hāngai te wiring. Ka taea te tūhono i ngā taura RS232 i roto i ngā rangatū.
I roto i ngā whirihoranga e hono tika ana ngā DTEs 2, me whakamahi tētahi taura hononga whakawhiti, me whakamahi rānei te "Pouwhanga Kore-" rānei.
He tūhono wahine tō tēnei taura i ia pito.

Hoahoa tūhononga RS232 pouwhanga kore-pine 25 :

1 WHĀNUI 1
2 RARAUNGA TAKE 3 Whakawhiti Ana
3 RARAUNGA PĀKEHĀ 2 Whakawhiti Ana
4 WHAKAWHITI TONO 5 Whakawhiti Ana
5 KUA RERI MŌ TE TARENGA 4 Whakawhiti Ana
6 RARAUNGA RITENGA 20 Whakawhiti Ana
7 0 VOLT ELECTRIC 7
8 KIMI TOHU TUIHONO 8 Whakawhiti Ana
9 (+) RENARINGA 9
10 (-) RENARINGA 10
11
12 2° - HAURARO TOHU 12
13 2° - KUA RITE MŌ TE TARENGA 13 Whakawhiti Ana
14 2° - TARENGA O TE RARAUNGA 14 Whakawhiti Ana
15 DCE - TOHU KARAKA MŌ TE TARENGA 17 Whakawhiti Ana
16 2° - RIHĪTI O TE RARAUNGA 16 Whakawhiti Ana
17 TOHU KARAKA MŌ TE WHĀNGAI 24 Whakawhiti Ana
18 DTE - TONO KIA WHAKAKĀORETIA TE DCE PAETATA
19 2° - TARENGA 19 Whakawhiti Ana
20 RARAUNGA I TUKUa 6 Whakawhiti Ana
21 TOHU KOUNGA TARENGA 21
22 TOHU RINGTONE 22
23 TOHU TĪPAKONGA TERE 23
24 DCE - TOHU KARAKA MŌ TE TARENGA 24 Whakawhiti Ana

Tūhono RS232 pine 25-pin
Tūhono RS232 pine 25-pin

UART RS232

Hei whakatau whakawhitiwhiti mā tētahi taura RS232, me tautuhi te kawa e whakamahia ana, i te tau tarenga me te whakawaehere.
Hei whakaharatau ko te UART te mea tino whakamahia.
Kei roto i te UART RS232 ko ngā rēhita 9 moka-8 kua kōmakatia ki ngā kāwai e toru :

- Rēhita Mana : IER, LCR, MCR, DL (moka-16 : + DLL DLM).
- Rēhita Āhua : LSR, MSR me IIR.
- Rēhita raraunga : TSR me te THR.
Tūhono rs232 9-pin
Tūhono rs232 9-pin

Tahuringa : DB25 - DB9

I hangaia te kīputa RS232 taketake mō te 25 pin (SUB D). I tēnei rā ka whakamahia nuitia ngā tūhono RS232 9-pin.
I roto i ngā taupānga whāranu, ka taea te whakamahi i te kaitahuri 9 ki te 25.
DB9 DB25 FUNCTION
18DATA CARRIER KITEA
23WHIWHI RARAUNGA
3 2 TE TARENGA RARAUNGA
420DATA TERMINAL KUA RERI
57GROUND SIGNAL
66READY DATA
74TONO KIA TUKU
85KUA RERI KI TE TAKE


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