Brother International BAS-416 Service Manual - Page 63

Communication

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5-3-4. Ver. (version) function • This is used to display versions for PROM on the main circuit board and the CPU of the keyboard circuit board. P_ ROM Ver. ROM J _Ver. * ,* ROM K _Ver. * j -K- ROM _MN1 version on main circuit board ROM _MN2 version on main circuit board J stands for P-ROM for domestic use (Japanese) E stands for P-ROM for use overseas (English) ROM version on keyboard circuit board Press the key to return to the test mode menu. 5-3-5. Port function • Settings of switch and sensor signals are indicated with respect to the level of input port terminal on the 10 circuit board. This is used to display settings of DIP switches on main circuit board and keyboard circuit board, and speed level. • Results of checking RS232C interface on the main circuit board will appear. _Port _ MSB Check LSB Checking switches and sensors Press the key allocated the port you want to check. Key 1 2 3 4 Thread sensor COMMUNICATION Port name S _ PORTA S . PORTB 5_ PORTC M _ PORTS Details Input signal level for port 1A on 1O circuit board Input signal level for port 1B on 1O circuit board Input signal level for port 1G on 1O circuit board Input signal level for port 2A on1O circuit board Setting of DIP switch on keyboard circuit board, speed level RS232C port check BAS-401 - 412A 416A • BES-1210AC 56

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5-3-4.
Ver.
(version)
function
•
This
is
used
to
display
versions
for
PROM
on
the
main
circuit
board
and
the
CPU
of
the
keyboard
circuit
board.
P_
ROM
Ver.
ROM
J
_Ver.
*
,*
ROM
K
_Ver.
*
j
-K-
ROM
_MN1
version
on
main
circuit
board
ROM
_MN2
version
on
main
circuit
board
J
stands
for
P
-ROM
for
domestic
use
(Japanese)
E
stands
for
P
-ROM
for
use
overseas
(English)
5-3-5.
Port
function
ROM
version
on
keyboard
circuit
board
Press
the
<END>
key
to
return
to
the
test
mode
menu.
•
Settings
of
switch
and
sensor
signals
are
indicated
with
respect
to
the
level
of
input
port
terminal
on
the
10
circuit
board.
This
is
used
to
display
settings
of
DIP
switches
on
main
circuit
board
and
keyboard
circuit
board,
and
speed
level.
•
Results
of
checking
RS232C
interface
on
the
main
circuit
board
will
appear.
_Port
_
Check
MSB
LSB
Checking
switches
and
sensors
Press
the
key
allocated
the
port
you
want
to
check.
Key
Port
name
Details
1
S
_
PORTA
Input
signal
level
for
port
1A
on
1O
circuit
board
2
S
.
PORTB
Input
signal
level
for
port
1B
on
1O
circuit
board
3
5_
PORTC
Input
signal
level
for
port
1G
on
1O
circuit
board
4
M
_
PORTS
Input
signal
level
for
port
2A
on1O
circuit
board
Thread
sensor
Setting
of
DIP
switch
on
keyboard
circuit
board,
speed
level
COMMUNICATION
RS232C
port
check
BAS
-401
-
412A
416A
•
BES-1210AC
56