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Figure 1–3
The back panel of the
PowerLab 2/20 and
PowerLab 4/20.
8
The Back Panel
The PowerLab back panel provides the sockets to connect the
PowerLab to the computer, front-ends, the power outlet, and so on.
This section describes each of the back panel features. The back
panels are the same for the PowerLab 2/20 and PowerLab 4/20.
Model and serial numbers
No user serviceable parts inside.
Refer servicing to qualified service personnel.
Not intended for human connection
unless connections marked appropriately.
2
I C Bus
Made in Australia by ADInstruments Pty Ltd.
2
I
C
USB
connector
connector
2
I
C Output
2
The I
C output is a special port designed to connect to front-ends
made by ADInstruments. It supplies power and communications. A
PowerLab can have as many front-ends connected to it as it has
appropriate connectors. All of them connect to this port in a simple
daisy-chain arrangement. Note. You should not attempt to run other
external devices from the I
ADInstruments front-ends. Only 50 mA maximum current can be
provided through this bus, so it should not be used for third-party
devices drawing more current.
USB Port
The PowerLab connects to your computer using a USB (universal
serial bus) port. This works with USB 1.1-compliant computers with
USB connectors or a PCI USB card. To operate, USB needs a Power
Macintosh running Mac OS 8.5 or later, or a PC running Windows 98
or 2000 or later.
Earth
Serial
Port
Serial
connector
2
C port: it is designed for use only with
Power socket
Power switch
Rated Voltage:
90-260 V AC 50/60 Hz 20 VA
Device rating
information
PowerLab Owner's Guide
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