Panasonic Electric Works Nordic AB
MEW01297 Rev: 2
Technical Description External Presentation Unit 1728, ver. 1.4.x
30
Comments to the components:
F3
1.5 A fuse (not replaceable, i.e. the whole p.c.b. has to be
replaced).
J1
Terminal block for the ext. Presentation unit connections.
J2
"D" connector (9 ways, male), RS232 interface for S/W
download.
(Note, jumpers "JP3" and "JP4" have to be in pos. "A".)
J3
Not used in this unit.
J4
Used when SW mode and address setting shall be done.
J8
Not used in this unit.
J10
Not used in this unit.
J11
Not used in this unit.
JP1
Reset. (Restart of the ext. Presentation unit.)
JP2
Boot. (The ext. Presentation unit has to be in "bootstrap"
mode before S/W download.)
JP3
Pos. "A": PC, for S/W download, connected via "J2".
Pos. "B": The ext. Presentation unit is connected to the
c.i.e. (default).
JP4
Pos. "A": PC, for S/W download, connected via "J2".
Pos. "B": The ext. Presentation unit is connected to the
c.i.e. (default).
JP8
Used when the ext. Presentation unit is the last unit on
the line, i.e. to connect the built-in end-of- line resistor
(120R).
JP9
For future use.
KEY1LED1
Connector for the front panel.
P1
Potentiometer for LCD contrast.
