<s>
GG45	B-Device
(	O
GigaGate	O
45	O
)	O
and	O
ARJ45	B-Device
(	O
Augmented	O
RJ45	O
)	O
are	O
two	O
related	O
connectors	B-Protocol
for	O
Category	O
7	O
,	O
Category	O
7A	O
,	O
and	O
Category	O
8	O
telecommunication	O
cabling	O
.	O
</s>
<s>
The	O
GG45	B-Device
interface	O
and	O
related	O
implementations	O
are	O
developed	O
and	O
sold	O
by	O
Nexans	O
S.A.	O
,	O
while	O
the	O
ARJ45	B-Device
interface	O
and	O
related	O
implementations	O
are	O
developed	O
and	O
sold	O
by	O
Bel	O
Fuse	O
Inc	O
.	O
</s>
<s>
The	O
electrical	O
performance	O
of	O
both	O
connectors	B-Protocol
are	O
compliant	O
with	O
IEC	B-Device
61076-3-110	I-Device
,	O
as	O
published	O
by	O
the	O
International	O
Electrotechnical	O
Commission	O
.	O
</s>
<s>
Furthermore	O
,	O
the	O
ARJ45	B-Device
connector	O
meets	O
the	O
mechanical	O
dimensions	O
specified	O
in	O
IEC	B-Device
61076-3-110	I-Device
.	O
</s>
<s>
The	O
GG45	B-Device
and	O
ARJ45	B-Device
connectors	B-Protocol
operate	O
in	O
the	O
frequency	O
spectrum	O
between	O
600MHz	O
to	O
5GHz	O
with	O
shielded	O
twisted	O
pair	O
and	O
twinax	O
cables	O
.	O
</s>
<s>
GG45	B-Device
is	O
a	O
variant	O
of	O
ARJ45	B-Device
that	O
allows	O
for	O
cables	O
terminated	O
with	O
male	O
8P8C	O
(	O
AKA	O
RJ45	O
)	O
connectors	B-Protocol
to	O
be	O
plugged	O
into	O
GG45	B-Device
female	O
jacks	O
.	O
</s>
<s>
However	O
,	O
GG45	B-Device
cables	O
cannot	O
plug	O
into	O
8P8C	O
jacks	O
as	O
a	O
protrusion	O
on	O
the	O
socket	O
is	O
designed	O
to	O
activate	O
a	O
switch	O
on	O
the	O
jack	O
for	O
the	O
alternative	O
contact	O
positions	O
.	O
</s>
<s>
Combined	O
with	O
an	O
internal	O
system	O
of	O
Faraday	O
cages	O
,	O
the	O
GG45	B-Device
interface	O
therefore	O
has	O
plenty	O
of	O
headroom	O
,	O
plus	O
the	O
ability	O
to	O
migrate	O
to	O
higher	O
speed	O
service	O
by	O
upgrading	O
to	O
Category	O
7A	O
patch	O
cords	O
that	O
activate	O
the	O
switch	O
in	O
the	O
jack	O
.	O
</s>
<s>
There	O
are	O
two	O
main	O
variants	O
of	O
GG45/ARJ45	O
:	O
</s>
<s>
GG45	B-Device
or	O
ARJ45	B-Device
HD	O
is	O
the	O
full	O
connector	O
with	O
12	O
contacts	O
,	O
providing	O
a	O
Category	B-Protocol
6	I-Protocol
cable	I-Protocol
interface	O
(	O
100/250MHz	O
)	O
for	O
older	O
devices	O
as	O
well	O
as	O
the	O
new	O
interface	O
.	O
</s>
<s>
ARJ45	B-Device
HS	O
is	O
the	O
version	O
without	O
the	O
Cat	O
6-compatible	O
contacts	O
,	O
for	O
a	O
total	O
of	O
8	O
contacts	O
.	O
</s>
