Power supply issues and options
If you intend to derive power from the keyboard and mouse connections, then
both connections must be made to the host computer. The power requirement
of the iPEPS slightly exceeds the maximum that is permissible via a single
keyboard, mouse or USB port. Therefore, the iPEPS will share its requirements
between two ports and will automatically refuse to operate if only one
connection is made.
The iPEPS draws a maximum current of 1A at 5VDC. If your computer cannot
provide the necessary power requirement (via its keyboard, mouse or USB ports)
then you will need to use an external power adapter and also prevent the iPEPS
from deriving any of its power from the ports. On the side panel of the iPEPS,
use switch 1 to determine how power should be derived:

SW OFF Derive iPEPS power from

either the interface
connections or an
external power supply.

Derive iPEPS power only
from the external power
adapter.

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To connect the optional power adapter

1 Connect the low voltage output connector from the power supply unit to

the power socket on the end panel of the iPEPS.

Note: Ensure that switch 1 is set to the appropriate setting for your

installation - see ‘Power supply issues and options’ opposite.

2 Connect the IEC connector of the supplied country-specific power lead to

the socket of the power supply.

3 Connect the power lead to a nearby mains supply socket.