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About Your MK1000
Static Random Access Memory (SRAM)
The system contains 1MB of SRAM. The SRAM is used for storage of system parameters,
user programs and data, and for use by the system as a whole during normal program
executions. Items such as bitmaps can also be stored here and easily retrieved for later
use.
External Ports
The MK1000 is equipped with three external ports located at the rear of the unit (see Figure
1-1 on page 1-3). The external ports are:
•Power
• Com/Scanner
•LAN.
The ports are located in a recessed area to allow for flush mounting of the MK1000 against
a flat surface.
Power Port
The MK1000 can be powered by either an external power supply plugged into an AC outlet
or by Power-over-Ethernet. If an external power supply is used, it plugs into the power port
on the rear of the MK1000 via a 2.0mm barrel jack. The center pin of the jack is positive
and the outer tab is ground.
The universal power supply provided with your MK1000 is compatible with the following
power systems:
• 120V 60Hz (North America)
• 230V 50Hz (International excluding Japan)
• 100V 50/60Hz (Japan).
Com/Scanner Port
The connection to the Com/Scanner port is provided through an RJ-45 jack (10 conductor).
This port has dual functionality and can be used for Serial communication with a host,
connection of an external device like a decoded scanner, or connection of an undecoded
external scanner. It is important to confirm your cable’s pin-out before attaching a cable. For
cable pin-outs, see RS-232 Connectors - Com/Scanner Port on page 2-16.