Metrologic Instruments Laser Scanner 用户手册

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页码 56
9
I
NSTALLATION FOR 
RS232 
OR 
L
IGHT 
P
EN 
I
NTERFACES
1.  Follow the “Getting Started” steps on
page 3.
2.  Turn off the host system.
3.  Connect the PowerLink cable to the
10-pin RS232/Light Pen interface jack. It
is the 1
st
 round opening from the left side
of the MS7220.
4.  Connect the other end of the PowerLink
cable to the host.
Before continuing verify that the
powerlink cable is connected to the
appropriate communication jack on the
scanner.  An incorrect cable connection
can cause communication problems or
potential damage to the scanner.
5.  Connect the external power supply to the
power jack on the PowerLink cable.
6.  Check the AC input requirements of the
power supply to make sure the voltage
matches the AC outlet.
7.  Connect AC power to the transformer. 
The outlet should be near the equipment
and easily accessible.
8.  Slide the cable cover into place on the
back of the scanner then secure it with
the three M3 screws provided.
9.  Turn on the host system.
10.  Scan the appropriate bar codes on page 10 to configure
the MS7220 for RS-232 or Light Pen communication.
Caution:
To maintain compliance with applicable standards, all circuits connected to the scanner must meet the requirements
for SELV (Safety Extra Low Voltage) according to EN 60950.
To maintain compliance with standard CSA C22.2 No. 60950-00/UL 60950 and norm EN 60950, the power source
should meet applicable performance requirements for a limited power source.
Figure 5:  RS232 or
Light Pen Interface