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Chapter 2: Jumpers and Connectors
Connector Pin Definitions
External I/O Interfaces - Front Panel
Remote Power On/Off Switch
Connector type: 2-pin switch
Connector location: JP1
1
2
Pin
Definition
1
PBT_PU
2
GND
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COM1 Port
Connector type: DB-9 port, 9-pin D-Sub
Connector location: CN3
1
5
6
RS232
Pin
Definition
Pin
1
SP1_DCD
2
SP1_RXD
3
SP1_TXD
4
SP1_DTR
5
GND
6
SP1_DSR
7
SP1_RTS
8
SP1_CTS
9
SP1_RI
27
9
RS485
RS422
Definition
Pin
1
SP1_DATA-
1
2
SP1_DATA+
2
3
NC
3
4
NC
4
5
GND
5
6
NC
6
7
NC
7
8
NC
8
9
NC
9
NISE 105/105A User Manual
Definition
SP1_TX-
SP1_TX+
SP1_RX+
SP1_RX-
GND
SP1_RTS-
SP1_RTS+
SP1_CTS+
SP1_CTS-
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