User`s guide
Table Of Contents

1 OVERVIEW
The U111 USB PC Card Readers are designed to provide a method
of using a range of PCMCIA cards via the USB port on a standard
computer.
The U111 specifically supports Novatel Wireless Merlin 530 and
630 PCMCIA 3G/UMTS Cards. These cards are offered by many
mobile phone operators world-wide, but are marked on the reverse
label as a 'Merlin 530' or 'Merlin 630'.
The reader has the following features:
• 16-bit PCMCIA cards supported.
• 5V cards at 400mA typical, with over-current fault protection.
• 3.3V cards at 400mA typical, with over-current fault protection.
• USB 2.0 Full Speed interface.
• Supports Type I and II card sizes. Slot has ejector lever.
• Uses a low power high performance micro controller to convert
the USB protocol to PCMCIA card read/write access.
• Software driver required for each PCMCIA card supported.
• Optional external power supply input connector.
The versions of the U111 USB PC Card Reader covered by this user
guide are:
• U111-530/630
Elan Digital Systems Ltd. 4 U111 USER’S GUIDE ES373 Iss4