Basic functions
WARNING: NXAMP firmware should be at least revision 3.0 (LOAD3_00) for the DPU to work. If not, the
DPU will stay in stand-by with nothing routed on its outputs.
Connection and start up
NB : A cable kit containing
•
2 x 4 poles 4 x 4mm² speakON
®
cable
•
1 x db9 crossover (null-modem) cable
•
2 x IEC mains cable with lockable connector (available with EU or US plugs).
can be purchased from NEXO separately.
1
1
1
1
Be sure that the host NXAMP and the DPU are both disconnected from mains.
2
2
2
2
Connect the two speakON
®
cables between NXAMP (Speakon A and C) and DPU (Input A and C), and connect
the serial port using a crossover cable (see serial port cabling bellow).
3
3
3
3
Then connect at least one IEC cable to one of the IEC mains inlet of the DPU. The left most display should lit and
the message “Stand-by’” should appear on the screen.
4
4
4
4
Connect the NXAMP mains plug(s) and turn the NXAMP “ON”. Check the LOAD revision while booting up ; it
should be LOAD3_10 or above.
5
5
5
5
After a few second the current selected speakers on the NXAMP are routed inside the DPU and their names are
displayed on the DPU screen.
Crossover (null-modem) serial port cable pin-out
NXAMP serial port pins
DPU serial port pins
2 (RXD)
NXAMP Receive (DPU Transmit)
3 (TXD)
3 (TXD)
NXAMP Transmit (DPU Receive)
2 (RXD)
5 (GND)
Signal ground
5 (GND)
Other
Unused
Other
