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GEK-36150
SPEED
Data transmission speed is variable on the Printer,
depending on the position of the selector switch on
the control
panel. The TermiNet 300 Printer
transmits, receives, and prints at a standard 10, 15, or
30 characters per second. An optional speed of 20 cps
is available for one of the standard speeds. It can be
optionally configured to transmit and receive (but
not print) at 120 characters per second.
The TermiNet 1200 Printer transmits, receives, and
prints at a standard 10, 30, or 120 characters per
second. It can be optionally configured to operate at
speeds of 15, 20, or 60 characters per second as a
substitute for one of the standard speeds.
The corresponding transmission rates for these
various character rates are 110 (109.95), 150, 200,
300, 600, and 1200 baud.
CHARACTER COMPOSITION
Each character is composed of one start bit, seven
data bits, a parity bit, and one stop bit (at a 110 baud
rate, two stop bits are used). See Figure 6-1.
ASCII code chart
1-oo
0
0
I
I
I
I
00
0
0
I
I
I
I
~
..
,.,., ~
0
I
0
I
0
I
0
I
I
I
t
I
Rowj
0
I
2
3
4
5
6
7
0
0
0
0
0
NUL
OLE
SP
0
(fJ
p
\
p
0
0
0
I
I
SOH
DC!
!
I
A
Q
a
q
0
0
I
0
2
STX
DC2
2
B
R
b
r
0
0
I
I
3
ETX
DC3
#
3
c
s
c
s
0
I
0
0
4
EOT
DC4
•
4
D
T
d
I
0
I
0
I
5
ENQ
NAK
%
5
E
u
e
u
0
I
I
0
6
ACK
SYN
6
6
F
v
f
v
0
I
I
I
7
BEL
ETB
7
G
w
g
w
I
0
0
0
8
BS
CAN
(
B
H
x
h
.
I
0
0
I
9
HT
EM
)
9
I
y
i
y
I
0
I
0
10
LF
SUB
*
J
z
J
z
I
0
I
I
II
VT
ESC
+
;
K
[
k
{
I
I
0
0
12
FF
FS
<
l
'
I
:
I
I
0
I
13
CR
GS
-
=
M
)
m
}
I
I
I
0
14
so
RS
>
N
/'.
n
,.......,
I
I
I
I
I[
SJ
us
I
?
0
-
0
oct.:
MSC-3002
Figure 6-2. ASCII Code Chart
(/)
I-
(.!)
0
__J
<[
I-
(.)
0
0
z
N
0
z
<[
I-
fl)
Operating Characteristics
BIT SEQUENCE
SPACE--•~-
,-T-r-r-,-,..,-.
,-T~
~
I 12•314•51617181911011!
t
MARK LINE
_ .......
....J_.!........J-.L.....J-...1...-1
I
I
(IDLE )
t
l
L...y...J
DATA BITS
STOP
DIRECTION OF
START
BIT (S)
TRANSMISSION
B1T
PARITY BIT
(EVEN}
MSC-4012
Figure 6-1. Typical Character Bit Pattern
ASCII CODE
The TermiNet Printers use the American Standard
Code for Information Interchange (ASCII) as shown
in Figure 6-2. For ease of reference, a rearrangement
of this chart to octal form is shown in Figure 6-3.
Each of the 128 ASCII codes can be transmitted by
pressing one or a combination of two keys on the
Printer.
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
3RD OCTAL DIGIT
0
2
3
4
5
6
7
NUL SOH
STX
ETX
EQT ENQ ACK
BEL l
BS
HT
LF
VT
FF
CR
so
SI
DLE
DCI
DC2
DC3
DC4 NAK SYN
ETB
CAN
EM
SUB ESC
FS
GS
RS
us
SP
!
II
#
$
Ofo
$
,
(
)
*
+
,
-
I
0
I
2
3
4
5
6
7
8
9
.
,
<
=
>
?
@)
A
B
c
D
E
F
G
H
I
J
K
L
M
I
N
0
I
p
Q
R
s
T
u
v
w
x
y
z
[
"
]
/\
-
\
a
b
c
d
e
f
g
h
i
j
k
I
m
n
0
p
q
r
s
t
u
v
w
x
y
z
{
I
}
~
DEL
I
MSC-4013
Figure 6-3. Octal Form of ASCII Code Chart
6-3
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