<s>
The	O
DIN	B-Architecture
connector	I-Architecture
is	O
an	O
electrical	O
connector	O
that	O
was	O
standardized	O
by	O
the	O
(	O
DIN	B-Architecture
)	O
,	O
the	O
German	O
Institute	O
for	O
Standards	O
,	O
in	O
the	O
early	O
1970s	O
,	O
although	O
it	O
was	O
already	O
in	O
use	O
by	O
the	O
mid	O
1960	O
's	O
.	O
</s>
<s>
The	O
male	O
DIN	B-Architecture
connectors	I-Architecture
(	O
plugs	O
)	O
feature	O
a	O
13.2mm	O
diameter	O
metal	O
shield	O
with	O
a	O
notch	O
that	O
limits	O
the	O
orientation	O
in	O
which	O
plug	O
and	O
socket	O
can	O
mate	O
.	O
</s>
<s>
The	O
range	O
of	O
DIN	B-Architecture
connectors	I-Architecture
,	O
different	O
only	O
in	O
the	O
configuration	O
of	O
the	O
pins	O
,	O
have	O
been	O
standardized	O
as	O
DIN	B-Architecture
41524	I-Architecture
/	O
IEC/DIN	O
EN	O
60130-9	O
(	O
3-pin	O
at	O
90°	O
and	O
5-pin	O
at	O
45°	O
)	O
;	O
DIN	B-Architecture
45322	I-Architecture
(	O
5-pin	O
and	O
6-pin	O
at	O
60°	O
)	O
;	O
DIN	B-Architecture
45329	O
/	O
IEC/DIN	O
EN	O
601309	O
(	O
7-pin	O
at	O
45°	O
)	O
;	O
and	O
DIN	B-Architecture
45326	O
/	O
IEC/DIN	O
EN	O
60130-9	O
(	O
8-pin	O
at	O
45°	O
)	O
.	O
</s>
<s>
In	O
consumer	O
electronics	O
,	O
the	O
term	O
"	O
DIN	B-Architecture
connector	I-Architecture
"	O
identifies	O
types	O
of	O
cylindrical	O
connectors	O
that	O
the	O
German	O
Institute	O
for	O
Standards	O
(	O
DIN	B-Architecture
)	O
had	O
initially	O
standardised	O
for	O
analog	O
audio	O
signals	O
.	O
</s>
<s>
Some	O
DIN	B-Architecture
connectors	I-Architecture
have	O
been	O
used	O
in	O
analog	O
video	O
applications	O
,	O
for	O
power	O
connections	O
,	O
and	O
for	O
digital	O
interfaces	O
,	O
such	O
as	O
the	O
MIDI	O
(	O
DIN	B-Architecture
41524	I-Architecture
)	O
,	O
the	O
IBM	B-Device
PC	I-Device
keyboard	I-Device
and	O
the	O
IBM	B-Device
AT	I-Device
keyboard	I-Device
connectors	O
(	O
DIN	B-Architecture
41524	I-Architecture
)	O
.	O
</s>
<s>
The	O
original	O
,	O
technical	O
standards	O
for	O
these	O
models	O
of	O
DIN	B-Architecture
connector	I-Architecture
are	O
unavailable	O
,	O
and	O
were	O
replaced	O
with	O
equivalent	O
connectors	O
,	O
such	O
as	O
the	O
international	O
standard	O
IEC	O
60130-9	O
.	O
</s>
<s>
The	O
term	O
"	O
DIN	B-Architecture
connector	I-Architecture
"	O
alone	O
does	O
not	O
unambiguously	O
identify	O
any	O
particular	O
type	O
of	O
connector	O
unless	O
the	O
document	O
number	O
of	O
the	O
relevant	O
DIN	B-Architecture
standard	O
is	O
added	O
(	O
e.g.	O
,	O
"	O
DIN	B-Architecture
45322	I-Architecture
connector	O
"	O
)	O
.	O
</s>
<s>
Some	O
DIN	B-Architecture
connector	I-Architecture
standards	O
are	O
:	O
</s>
<s>
As	O
the	O
keying	O
is	O
consistent	O
across	O
all	O
connectors	O
,	O
it	O
does	O
not	O
completely	O
prevent	O
incompatible	O
connectors	O
from	O
mating	O
,	O
which	O
can	O
lead	O
to	O
damage	O
;	O
this	O
is	O
changed	O
in	O
Hosidentype	O
,	O
wrongly	O
called	O
Mini-DIN	B-Protocol
,	O
which	O
keys	O
different	O
connectors	O
.	O
</s>
<s>
Note	O
that	O
when	O
rotating	O
a	O
DIN	B-Architecture
headphone	O
connector	O
180	O
degress	O
the	O
polarity	O
will	O
be	O
reversed	O
.	O
</s>
<s>
This	O
generally	O
does	O
n't	O
affect	O
the	O
audio	O
but	O
if	O
an	O
adapter	O
with	O
a	O
DIN	B-Architecture
headphone	O
male	O
connector	O
and	O
most	O
other	O
types	O
of	O
female	O
headphone	O
connector	O
is	O
used	O
,	O
the	O
negative	O
connection	O
for	O
both	O
channels	O
will	O
be	O
joined	O
resulting	O
in	O
the	O
audio	O
being	O
stereo	O
with	O
the	O
DIN	B-Architecture
connector	I-Architecture
inserted	O
one	O
way	O
and	O
mono	O
when	O
inserted	O
the	O
other	O
way	O
.	O
</s>
<s>
To	O
avoid	O
this	O
and	O
still	O
be	O
able	O
to	O
use	O
a	O
pair	O
of	O
headphones	O
both	O
with	O
equipment	O
that	O
has	O
a	O
DIN	B-Architecture
headphone	O
connector	O
and	O
also	O
use	O
it	O
with	O
other	O
equipment	O
it	O
is	O
suggested	O
to	O
permanently	O
mount	O
a	O
DIN	B-Architecture
connector	I-Architecture
on	O
the	O
headphones	O
and	O
make	O
an	O
adapter	O
to	O
use	O
other	O
devices	O
with	O
headphones	O
that	O
has	O
a	O
DIN	B-Architecture
connector	I-Architecture
.	O
</s>
<s>
Belling	O
Lee	O
offered	O
a	O
version	O
with	O
a	O
sprung-loaded	O
collar	O
which	O
latched	O
on	O
insertion	O
but	O
required	O
the	O
collar	O
to	O
be	O
pulled	O
back	O
to	O
release	O
the	O
connector	O
,	O
similar	O
to	O
the	O
LEMO	B-Application
B	O
series	O
connector	O
.	O
</s>
<s>
A	O
version	O
with	O
a	O
pushbutton	O
latch	O
similar	O
to	O
that	O
on	O
an	O
XLR	B-Device
cable	I-Device
mounted	O
socket	O
was	O
also	O
available	O
.	O
</s>
<s>
Female	O
connectors	O
with	O
screw-locking	O
,	O
Bleecon	O
,	O
or	O
bayonet	O
latching	O
features	O
are	O
compatible	O
with	O
standard	O
DIN	B-Architecture
plugs	I-Architecture
.	O
</s>
<s>
The	O
three	O
pins	O
that	O
make	O
contact	O
with	O
a	O
3	O
pin	O
DIN	B-Architecture
connector	I-Architecture
will	O
have	O
the	O
same	O
pin	O
numbering	O
both	O
in	O
the	O
three-pin	O
and	O
the	O
five-pin	O
connector	O
.	O
</s>
<s>
A	O
four-conductor	O
cord	O
wired	O
in	O
this	O
way	O
is	O
sometimes	O
called	O
a	O
DIN	B-Architecture
cord	O
,	O
a	O
DIN	B-Architecture
lead	O
or	O
a	O
DIN	B-Architecture
cable	O
.	O
</s>
<s>
Five-pin	O
DIN	B-Architecture
inputs	O
for	O
record	O
players	O
and	O
auxiliary	O
signal	O
sources	O
commonly	O
join	O
pin	O
1	O
and	O
5	O
in	O
order	O
to	O
be	O
compatible	O
both	O
with	O
the	O
3/180	O
°	O
and	O
5/180	O
°	O
pinouts	O
.	O
</s>
<s>
However	O
the	O
join	O
of	O
pin	O
1	O
and	O
5	O
on	O
adapters	O
between	O
DIN	B-Architecture
and	O
RCA	B-Protocol
connectors	I-Protocol
can	O
cause	O
problems	O
if	O
used	O
with	O
a	O
five-pin	O
DIN	B-Architecture
connector	I-Architecture
tape	O
connector	O
on	O
an	O
amplifier	O
or	O
receiver	O
,	O
as	O
it	O
will	O
join	O
the	O
left	O
record	O
with	O
right	O
playback	O
signal	O
.	O
</s>
<s>
This	O
interface	O
was	O
rare	O
outside	O
products	O
for	O
the	O
European	O
market	O
,	O
and	O
has	O
progressively	O
disappeared	O
on	O
new	O
equipment	O
,	O
both	O
in	O
Europe	O
and	O
worldwide	O
,	O
since	O
the	O
1980s	O
,	O
in	O
favour	O
of	O
RCA	B-Protocol
connectors	I-Protocol
.	O
</s>
<s>
Non-European	O
products	O
intended	O
for	O
the	O
European	O
market	O
commonly	O
combined	O
both	O
DIN	B-Architecture
and	O
RCA	B-Protocol
connectors	I-Protocol
,	O
with	O
cassette	O
decks	O
having	O
both	O
and	O
amplifiers/receivers	O
commonly	O
having	O
RCA	B-Protocol
connectors	I-Protocol
for	O
everything	O
and	O
an	O
additional	O
5-pin	O
DIN	B-Architecture
connector	I-Architecture
for	O
at	O
least	O
one	O
tape	O
connection	O
,	O
usually	O
in	O
parallel	O
with	O
a	O
set	O
of	O
RCA	B-Protocol
connector	I-Protocol
for	O
the	O
same	O
input/output	O
.	O
</s>
<s>
The	O
DIN	B-Architecture
connector	I-Architecture
saw	O
several	O
other	O
uses	O
apart	O
from	O
audio	O
.	O
</s>
<s>
Analogue	O
theatrical	O
lighting	O
control	O
(	O
pre-dating	O
the	O
more	O
recent	O
digital	O
control	O
protocols	O
such	O
as	O
DMX	O
)	O
commonly	O
used	O
the	O
8-pin	O
(	O
45°	O
)	O
DIN	B-Architecture
connector	I-Architecture
,	O
six	O
of	O
the	O
pins	O
being	O
0	O
–	O
10V	O
control	O
signals	O
for	O
six	O
separate	O
dimmer	O
circuits	O
,	O
and	O
the	O
other	O
two	O
a	O
0V	O
reference	O
and	O
a	O
DC	O
source	O
for	O
powering	O
simple	O
circuitry	O
in	O
rudimentary	O
lighting	O
desks	O
.	O
</s>
<s>
A	O
polarised	O
two-pin	O
unshielded	O
connector	O
,	O
designed	O
for	O
connecting	O
a	O
loudspeaker	O
to	O
a	O
power	O
amplifier	O
(	O
or	O
other	O
device	O
;	O
many	O
of	O
the	O
earlier	O
shoebox	O
style	O
tape	O
recorders	O
used	O
them	O
)	O
,	O
is	O
known	O
as	O
the	O
DIN	B-Architecture
41529	O
loudspeaker	O
connector	O
.	O
</s>
<s>
This	O
setup	O
was	O
commonly	O
combined	O
with	O
an	O
8-pin	O
DIN	B-Architecture
connector	I-Architecture
where	O
pin	O
1-5	O
were	O
used	O
for	O
line	O
output	O
for	O
connecting	O
power	O
amplifier	O
(	O
using	O
the	O
same	O
pinout	O
as	O
for	O
home	O
audio	O
equipment	O
,	O
except	O
"	O
tape	O
record	O
"	O
would	O
be	O
front	O
audio	O
out	O
and	O
"	O
tape	O
play	O
"	O
would	O
be	O
rear	O
audio	O
out	O
)	O
.	O
</s>
<s>
The	O
two-pin	O
DIN	B-Architecture
plug	I-Architecture
lacks	O
the	O
outer	O
metal	O
shell	O
,	O
so	O
far	O
less	O
force	O
is	O
required	O
to	O
disconnect	O
the	O
plug	O
accidentally	O
.	O
</s>
