Karel MS128, Installation & Maintenance Manual

Page: 67 / 90

Karel MS128 Installation & Maintenance Guide
Edition 3.2
59
To replace the printer ribbon:
1) Pull out the black front cover from the upper side.
2) Take out the old ribbon.
3) Place the new ribbon inside the print head.
4) Close the front cover.
III.3. SERIAL INTERFACE
Either a PC or a serial printer can be connected to the MS128 system. The
selection among these devices is made by programming.
III.3.A. PC INTERFACE
•
C
ABLING
:
1) The free end of the PC-Exchange cable with 9-pin D-type plug should be
passed through the cable hole on the bottom cover of the system cabinet
(the hole below the SPS128 module).
2) This 9-pin D-type plug must be then connected to the socket on the front
panel of CPU128 card.
3) The 25-pin D-type plug at the other end of the PC-Exchange cable must
be attached to the security plug first and then the security plug should be
connected to the 25-pin serial port of the PC. (It is necessary to employ a
25-pin to 9-pin converter plug, in order to use the 9-pin connector of the
PC.)
The following figure illustrates the cabling .
Figure B-15
After the cabling of the PC interface is completed, the necessary CM128 and /
or PK128 software must be installed on the PC, as described in the CM128 and
PK128 Owner’s Guides, respectively.