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7
COM2 :
Internal Serial Port Connector (RS-232/422/485)
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
DATA CARRIER
DETECT (DCD#)
2
DATA SET READY
(DSR#)
3
RECEIVE DATA
(RXD)
4
REQUEST TO SEND
(RTS #)
5
TRANSMIT DATA
(TXD)
6
CLEAR TO SEND
(CTS #)
7
DATA TERMINAL
READY (DTR#)
8
RING INDICATOR
(RI#)
9
GND
10
GND
11
12
TXD485#
13
14
RXD485#
LED_C1:
6-pin LED Indicators and +5V Output connector
PIN NO.
DESCRIPTION
1
VCC (+5V)
+5V Power
Output
2
GND
3
VCC (+5V)
PWRLED
4
GND
5
VCC (+5V)
HDDLED
6
-HDLED
DIO1 :
Digital Input / Output Connector
PIN NO. DESCRIPTION
PIN NO. DESCRIPTION
1
GND
2
VCC (+5V)
3
Output 3
4
Output 2
5
Output 1
6
Output 0
7
Input 3
8
Input 2
9
Input 1
10
Input 0
COM3, COM4 :
Internal Serial Port Connectors (RS-232)
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
DATA CARRIER DETECT
(DCD#)
2
DATA SET READY
(DSR#)
3
RECEIVE DATA (RXD)
4
REQUEST TO SEND
(RTS #)
5
TRANSMIT DATA (TXD)
6
CLEAR TO SEND (CTS#)
7
DATA TERMINAL READY
(DTR#)
8
RING INDICATOR (RI#)
9
GND
10
GND
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