<s>
MERS	O
8600CO225px|center	O
Metro	B-Protocol
Ethernet	I-Protocol
Routing	O
Switch	O
8610CO	O
Height	O
:	O
35.0	O
in	O
.	O
</s>
<s>
Metro	B-Protocol
Ethernet	I-Protocol
Routing	I-Protocol
Switch	I-Protocol
8600	I-Protocol
or	O
MERS	B-Protocol
8600	I-Protocol
is	O
a	O
modular	O
chassis	O
router	O
and/or	O
switch	O
manufactured	O
by	O
Nortel	O
now	O
acquired	O
by	O
Ciena	O
.	O
</s>
<s>
The	O
MERS	B-Protocol
8600	I-Protocol
supports	O
the	O
Provider	O
Backbone	O
Bridges	O
(	O
PBB	O
)	O
,	O
Provider	B-Protocol
Backbone	I-Protocol
Transport	I-Protocol
(	O
PBT	O
)	O
technologies	O
and	O
carrier	O
class	O
Operations	O
Administration	O
&	O
Maintenance	O
(	O
OAM	O
)	O
tools	O
.	O
</s>
<s>
BT	O
uses	O
the	O
MERS	B-Protocol
8600	I-Protocol
PBB/PBT	O
technologies	O
in	O
its	O
21st	O
Century	O
Network	O
(	O
21CN	O
)	O
and	O
India	O
has	O
selected	O
this	O
platform	O
for	O
the	O
most	O
extensive	O
IP	O
network	O
ever	O
deployed	O
by	O
an	O
international	O
airport	O
in	O
India	O
.	O
</s>
