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SECTION 1Introduction
1-8 6620 Hand-Held Computer Technical Reference
Docks
Two basic dock accessories are used for the 6620 Computer:
the single dock and the vehicle dock. Custom versions of
these docks may be created for customer requirements. See
the 6620 Computer User’s Guide for meanings to the dock
LED indicators.
Connections
The following connections are on the docks:
Parallel
The LPT1 Printer Port is an enhanced parallel port with a
25-pin (DB-25) female, D-Sub for connecting parallel de-
vices such as a printer or storage device to the computer.
Serial Port
A 9-pin D-sub connector (COM1), located behind the flap on
the upper end of the computer, supports RS-232 signals for
two-way communication between peripheral devices and is
capable of supporting a 5-volt bar code scanner. When
docked, these computer signals are carried on the docking
connector and are accessed through the RS-232 port on the
dock.
Mouse
A 6-pin mini-DIN connector connects a PS/2 standard exter-
nal mouse to the computer.
Video
(Single docks only — not present on the vehicle dock) A
VGA connector provides RGB (red, green, blue), horizontal
and vertical synchronous signals to a remote VGA monitor.
Network
(Single docks only — not present on the vehicle dock) Al-
though all 6620 Computers have Ethernet capability, the
connection is physically located on the single dock.