<s>
The	O
Musa	B-Protocol
connector	I-Protocol
(	O
for	O
Multiple	O
Unit	O
Steerable	O
Array/Antenna	O
)	O
is	O
a	O
type	O
of	O
coaxial	O
(	O
"	O
coax	O
"	O
)	O
connector	O
,	O
originally	O
developed	O
for	O
the	O
manual	O
switching	O
of	O
radio	O
signals	O
.	O
</s>
<s>
The	O
Musa	B-Protocol
connector	I-Protocol
was	O
developed	O
by	O
the	O
British	O
Post	O
Office	O
,	O
as	O
a	O
reliable	O
and	O
readily	O
deployed	O
means	O
of	O
achieving	O
the	O
desired	O
configuration	O
.	O
</s>
<s>
Some	O
time	O
after	O
commercial	O
television	O
appeared	O
around	O
1936	O
,	O
the	O
Musa	B-Protocol
connector	I-Protocol
came	O
to	O
be	O
used	O
as	O
a	O
standard	O
video	O
connector	O
;	O
its	O
distinctive	O
feature	O
being	O
that	O
unlike	O
most	O
other	O
types	O
of	O
coaxial	O
connector	O
,	O
it	O
is	O
engaged	O
and	O
disengaged	O
by	O
a	O
straight	O
push-pull	O
action	O
,	O
making	O
it	O
ideal	O
for	O
patch	B-Protocol
bays	I-Protocol
.	O
</s>
<s>
The	O
Musa	B-Protocol
connector	I-Protocol
was	O
designed	O
as	O
to	O
be	O
rugged	O
and	O
reliable	O
,	O
typically	O
using	O
solid	O
sterling	O
silver	O
contacts	O
,	O
and	O
turned	O
silver-plated	O
brass	O
or	O
phosphor	O
bronze	O
bodies	O
.	O
</s>
<s>
Often	O
,	O
75	O
Ω	O
BNC	B-Protocol
connectors	I-Protocol
are	O
used	O
,	O
however	O
these	O
are	O
not	O
freely	O
pluggable	O
like	O
MUSA	B-Protocol
connectors	I-Protocol
,	O
due	O
to	O
the	O
bayonet	O
locking	O
action	O
,	O
except	O
for	O
specially	O
engineered	O
patch	B-Protocol
panels	I-Protocol
which	O
omit	O
the	O
bayonet	O
function	O
,	O
just	O
relying	O
upon	O
the	O
friction	O
of	O
the	O
connector	O
's	O
mating	O
surfaces	O
.	O
</s>
