ANUBIS POS50 Series, Быстрое руководство

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4.7 Serial Ports
The system provides three high speed NS16C550 compatible UARTS with Read/Receive 16 byte FIFO. Four
com ports are in IO connector.
•
COM1: CN25 DB9-pin header
•
COM2: CN26 DB9-pin header
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)
•
COM2: CN27 pin header 2.0mm
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 N/C
11 +5V
12 N/C
13 +12V
14
GROUND
•
COM3: CN24 for Card Reader.
PIN Description
1 GROUND
2 +5V
3 RXD3
4 TXD3
5 KB_DATA_OUT
6 KB_CLK_OUT
7 KB_DATA_IN
8 KB_CLK_IN
9 RI3
10 DTR3
11 CTS3
12 RTS3
13 DSR3
14 DCD3
15 KB_EN
4.8 Power Connector