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Puerto serie (COM 25)
(Conector D-sub de 25 pines)



 

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Pin Nombre Entrada / Salida Significado
1 GND -
Shield Ground
2 TxD Salida
Transmit Data
3 RxD Entrada
Receive Data
4 RTS Salida
Request To Send
5 CTS Entrada
Clear To Send
6 DSR Entrada
Data Set Ready
7 GND -
Ground
8 DCD Entrada
Data Carrier Detect
9 --
RESERVED
10 - -
RESERVED
11 STF Salida
Select Transmit Channel
12 S.CD Entrada
Secondary Carrier Detect
13 S.CTS Entrada
Secondary Clear to Send
14 S.TXD Salida
Secondary Transmit Data
15 TCK Entrada
Transmission Signal Element Timing
16 S.RXD Entrada
Secondary Receive Data
17 RCK Entrada
Receiver Signal Element Timing
18 LL Salida
Local Loop Control
19 S.RTS Salida
Secondary Request to Send
20 DTR Salida
Data Terminal Ready
21 RL Salida
Remote Loop Control
22 RI Entrada
Ring Indicator
23 DSR Salida
Data Signal Rate Selector
24 XCK Salida
Transmit Signal Element Timing
25 TI Entrada
Test Indicator

 

Vea tambien:

 

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