
3. Hardware Installations
18
SPC-8520-LA , SPC-8521-LA
Serial Port Connector: CNG1 , CNG2
Serial1 (CNG1) and Serial2 (CNG2) are 10-pin box-headers. Both are onboard serial ports of this
product. The following table shows the pin assignments of these connectors.
RS-232C/422A/485 assigned for Serial2 (CNG2) connector only.
Table 3.5.
Serial Port connector
Pin No.
1
2
3
4
5
6
7
8
9
10
RS-232C
DCD
RXD
TSD
DTR
GND
DST
RTS
CTS
RI
N.C.
RS-422A*
TX-
TX+
RX+
RX-
GND
RTS-
RTS+
CTS+
CTS-
N.C.
RS-485*
TX-
TX+
RX+
RX-
GND
N.C.
N.C.
N.C.
N.C.
N.C.
CNG1/CNG2
1
6
5
10
*RS-422A/485 supported for Serial2 (CNG2) connector only.
Pin assignment after conversion by attached cable (D-SUB 9Pin Male Connector, No.4-40UNC )
Table 3.6.
Attached cable (9pin D-SUB) pin assignment
Pin No.
1
2
3
4
5
6
7
8
9
RS-232C
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
RS-422A
TX-
TX+
RX+
RX-
GND
RTS-
RTS+
CTS+
CTS-
RS-485
TX-
TX+
RX+
RX-
GND
N.C.
N.C.
N.C.
N.C.
1
5
9
6
CAUTION
-
For RS-485, TX+(pin 2) and RX+ (pin 3) must jumper together inside the D type connector.
-
TX- (pin 1) and RX- (pin 4) is the same.
Содержание SPC-8520-LA
Страница 7: ...vi SPC 8520 LA SPC 8521 LA...
Страница 13: ...1 Introduction 6 SPC 8520 LA SPC 8521 LA...
Страница 19: ...2 System Reference 12 SPC 8520 LA SPC 8521 LA...
Страница 41: ...4 Jumper Setting 34 SPC 8520 LA SPC 8521 LA...
Страница 43: ...5 Board Resources 36 SPC 8520 LA SPC 8521 LA...
Страница 76: ...7 BIOS Setup SPC 8520 LA SPC 8521 LA 69 Description Choice...