3.2 ISPnano Series I – Serial Port connections
3.2.1 Overview
The ISPnano Series I programmer features the following Serial Port connections:
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2 x RS232 Ports (labelled ‘RS232-1’ and ‘RS232-2’ )
1 x ‘Remote Display / Keyboard’ Port (This is the same physical port as the ‘RS232-2’ port.)
1 x RS485 Port (labelled ‘RS485 IN / OUT’ )
1
2
3
Key No
1
2
3
Function
RS-485 Input (& output)
RS-232 Communications Port 1
RS-232 Communications Port 2
Further description
RS-485 - Input/output. Connector: 5-pin 2.5mm Molex
RS-232 - Input/output Connector: 3-pin 2.5mm Molex
RS232 + LCD power. Connector: RJ11
or
Remote Display / Keypad
Please note:
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The programmer will automatically detect communications on the RS485 or either RS232 port.
Either of the RS-232 ports can be used to communicate with the programmer.
The RS232-2 (RJ11) port is the preferred port as the connector is more robust.
Communications
Port
Max
Nodes
Maximum
Baud
Connector
Comment
Rate
RS232-1
RS232-2
1
1
115,200
115,200
3-pin 2.5mm Molex
RJ11
Standard RS232 Port
Standard RS232 Port
Can also be used as a
‘Remote Display / Keypad’ port
RS485 In/Out
32
230,400
5-pin 2.5mm Molex
2 RS485 ports (In + Out)
Ports wired in parallel.
ISPnano Series Programmer - User Manual – V1.11 – 12 May 2011
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