Ibm PSB Form Factor Board SAGP-845EV Manuel d'utilisateur télécharger pdf (Page 13)

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3.4 Serial Ports

SAGP-845EV offers two high speed NS16C550 compatible UARTs with

Read/Receive 16-byte FIFO serial ports.

• COM1 10-pin Connector

PIN Description

1 DATA CARRIER DETECT (DCD)

2 RECEIVE DATA (RXD)

3 TRANSMIT DATA (TXD)

4 DATA TERMINAL READY (DTR)

5 GROUND

6 DATA SET READY (DSR)

7 REQUEST TO SEND (RTS)

8 CLEAR TO SEND (CTS)

9 RING INDICATOR (RI)

10 NC

• COM2 10-pin Connector

PIN Description

1 DATA CARRIER DETECT (DCD)

2 RECEIVE DATA (RXD)

3 TRANSMIT DATA (TXD)

4 DATA TERMINAL READY (DTR)

5 GROUND

6 DATA SET READY (DSR)

7 REQUEST TO SEND (RTS)

8 CLEAR TO SEND (CTS)

9 RING INDICATOR (RI)

10 NC

1

6

5

1

0

1

6

5

1

0

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