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1-36 Chapter 1: 7401-2xxx and 3xxx Product Overview
Power Supply
The terminal uses an AC adapter for its power supply, concealed in the
terminal mounting. The supply is inaccessible when the terminal is in
the normal operation and mounting position to prevent tampering, and
sealed to help protect against spills or other environmental hazards.
Note: The power supply automatically senses the proper AC voltage;
therefore only normal servicing access is required.
All power required to operate the base unit, PCMCIA option and
PCMCIA cards, speaker option, scanner option, and bus-powered USB
peripherals is provided by the power supply.
The Processor Board serves as the hub to distribute power to all
terminal functions. Cash drawers, VFD customer display, PS/2
keyboard, PCMCIA daughter board and slots, scanner (through RS-232
port), USB, hard disk, and the LCD all receive power through their
respective Processor Board connectors.
Uninterruptible Power System (Optional)
The 4055 Uninterruptible Power System (UPS) protects your
equipment from various power related problems, providing visual and
audible indicators which alert you to utility-line failures. The 4055 is
installed inside the pedestal mount, and includes a data line/LAN
connection which ensures both the AC and data paths are protected
from surges and noise transmitted through the power lines.
Integrated Scanner Module (Optional)
The scanner, power supply, and Scanner Controller Board are located
inside the Fixed-Angle Mount. The scanner interface is serial, and is
connected to RS-232/1, which is a powered serial port.
Note: The Integrated Scanner feature includes the Fixed-Angle Mount
and cannot be used with the Table Top Mount.
The 7401 Scanner is a modified NCR 7890 or NCR 7892 Scanner,
however, there are a few differences. Refer to the NCR 7401/7890 or
7892 Scanner Differences chapter for additional information.