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ON / O F<br />
I O<br />
MES-3712F<br />
-48V<br />
RTN DC<br />
AC INPUT<br />
1 0-240VAC<br />
50/60Hz 0.6A MAX<br />
BPS<br />
LNK<br />
PWR<br />
ACT<br />
SYS<br />
ALM LNK<br />
ACT<br />
26<br />
25<br />
LNK<br />
ACT<br />
LNK<br />
ACT<br />
26<br />
25<br />
LNK<br />
ACT<br />
LNK<br />
ACT<br />
26<br />
25<br />
LNK<br />
ACT<br />
LNK<br />
ACT<br />
26<br />
25<br />
LNK/ACT<br />
FDX<br />
LNK/ACT<br />
FDX<br />
28<br />
27<br />
LNK<br />
ACT<br />
LNK<br />
ACT<br />
26<br />
25<br />
LNK/ACT<br />
FDX<br />
LNK/ACT<br />
FDX<br />
28<br />
27<br />
LNK<br />
ACT<br />
LNK<br />
ACT<br />
28<br />
27<br />
10 1 0<br />
MGMT<br />
CONSOLE<br />
ALARM<br />
ON / O F<br />
I O<br />
MES-3728<br />
-48V<br />
RTN DC<br />
AC INPUT<br />
1 0-240VAC<br />
LNK<br />
ACT<br />
LNK<br />
ACT<br />
26<br />
25<br />
LNK/ACT<br />
FDX<br />
LNK/ACT<br />
FDX<br />
28 28<br />
LNK<br />
ACT<br />
LNK<br />
ACT<br />
27 27<br />
10 1 0<br />
MGMT<br />
CONSOLE<br />
ALARM<br />
Background of AON and PON:<br />
■ Active Optical Network, Active Fiber or Active Ethernet<br />
(AON)<br />
Active fiber is a dedicated medium in which each end user<br />
is allowed independent access. Each end user has a home<br />
gateway with active fiber directly connected to the carrier<br />
Ethernet switch in the central office or street cabinet by a<br />
direct fiber. Between the central office and the end user,<br />
there can also be an aggregation Ethernet router if needed.<br />
Figure D: The <strong>ZyXEL</strong> Active Fiber Solution<br />
Service<br />
Distribution<br />
Network<br />
Aggregation<br />
Network<br />
Access Network<br />
Street<br />
Cabinet<br />
Premises Network<br />
Cable<br />
Soft<br />
Switch<br />
(H.248)<br />
IPTV<br />
PSTN<br />
Internet<br />
VoIP<br />
V5.2<br />
Switch<br />
SIP Server<br />
ACS<br />
Server<br />
BRAS<br />
IP Metro<br />
Network<br />
10G Fiber Ring<br />
IES-6000/IES-5000<br />
CO MSAN<br />
XGS-4728F<br />
10G Switch<br />
IES-1248-51/VES-1624FT<br />
IP DSLAM/VDSL2 DSLAM<br />
MGS-3712F<br />
Metro Gigabit Switch<br />
Active Fiber<br />
FSG2100<br />
802.11n Wireless<br />
100 Mbps Active<br />
Fiber IAD<br />
POTS<br />
FSG2200<br />
802.11n Wireless Gigabit<br />
Active Fiber IAD<br />
Active Fiber<br />
POTS<br />
IES-1000<br />
Remote MSAN/DSLAM<br />
ADSL2+ CPE<br />
G.SHDSL.bis CPE<br />
Video Content<br />
Server<br />
XGS-4728F<br />
10G Switch<br />
ES-3124F<br />
Ethernet Switch<br />
MGS-3712<br />
Metro Gigabit Switch<br />
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 2 23 24<br />
BPS<br />
PWR<br />
SYS<br />
ALM<br />
MES-3728<br />
Metro Ethernet Switch<br />
MES-3728<br />
Metro Ethernet Switch<br />
ES-315-F<br />
Network<br />
Terminal<br />
■ Passive Optical Network (PON)<br />
PON is a shared medium in which a fiber is “passively” split<br />
into many end user connections. The term “passive” refers<br />
only to the optical splitter, which does not require external<br />
electrical power to function. Each end user has one GEPON<br />
Figure E: The <strong>ZyXEL</strong> PON Solution<br />
Optical Network Unit (ONU) or GPON Optical Network<br />
Terminal (ONT) while the fiber terminates at a central office<br />
in an Optical Line Terminal (OLT) that requires electrical<br />
power. Between the OLT and the ONU/ONT may be one or<br />
two stages of passive splitters that split the connection to<br />
multiple end points.<br />
Cable<br />
Service<br />
Distribution<br />
Network<br />
Aggregation<br />
Network<br />
Access Network<br />
Premises Network<br />
Soft<br />
Switch<br />
(H.248)<br />
IPTV<br />
PSTN<br />
Internet<br />
VoIP<br />
V5.2<br />
Switch<br />
SIP Server<br />
ACS<br />
Server<br />
BRAS<br />
IP Metro<br />
Network<br />
IES-6000/IES-5000<br />
CO MSAN<br />
10G Fiber Ring<br />
XGS-4728F<br />
10G Switch<br />
OLT-1308<br />
GEPON Optical<br />
Line Terminator<br />
GPON OLT<br />
GEPON<br />
GPON<br />
Splitter<br />
ONU-6040B<br />
Optical<br />
Network Unit<br />
ONU-6100B<br />
Optical Network Unit<br />
STB-2101H<br />
IP Set-top Box<br />
<strong>FTTx</strong><br />
P-870HN Series<br />
VDSL2 CPE<br />
Video Content<br />
Server<br />
XGS-4728F<br />
10G Switch<br />
Splitter<br />
VES-1616PE<br />
VDSL2 Switch<br />
P-3202H-Bb<br />
P-3202HN-Ba<br />
GPON IAD<br />
7
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