Elo TouchSystems 1229L(WWW) - Manual (Page 10)

1-5
Six Port USB Hub
The Hub provides 4 internal USB ports to be used by the credit card reader, the
fingerprint reader, the touchscreen, and the customer display. The hub also
supplies two USB ports to the outside of the back of the 1229L for external use.
The hub is only used by the USB version of the 1229L. The hub meets the
following requirements:
Specification
Full compliance with USB specification 1.0, 1.1 and HID Class
Definition Rev 1.0.
Hub shall be self powered
Hub shall provide 2 external and 4 internal downstream ports with individual
port over current detection, protection and recovery. Supports both Open Host
Controller Interface (OHCI) and Universal
Host Controller Interface (UHCI).
Supports Suspend and Resume operation.
Bus fault detection and recovery.
External 12 VDC Power Supply
The 1229L shall be powered by 12 VDC from a universal type power supply
brick. The power supply shall provide the following capability:
Input voltage 100 to 240 vac
Input frequency 47 to 63 hz
Output voltage 12 vdc
Output line and load regulation +/- 2%