Soc Onts With Four 10/100/1000Base-T Ethernet Ports; Soc Onts With Eight Pots Ports; Figure 5-7 Four 10/100/100 Base-T Ethernet Port Onts; Figure 5-8 Soc With External Dsp For Soho And Bont Onts - Alcatel-Lucent 7342 Product Information Manual

5.6

SoC ONTs with four 10/100/1000Base-T Ethernet ports

In order to support four 10/100/1000 Base-T Ethernet ports, an Ethernet switch is
connected to the two GMII from the Ethernet MACs on the SoC. The Ethernet switch
provides IGMP packet replication and internal VLAN tagging to direct traffic to the
proper Ethernet port; see Figure 5-7.
5.7

SoC ONTs with eight POTS ports

Both the SOHO and business ONTs provide up to 8 POTS connections. To support
these additional POTS interfaces, the DSP within the SoC is disabled, and all VoIP
traffic goes to an external DSP; see Figure 5-8.
GPON
Alcatel-Lucent 7342 ISAM FTTU ONT R04.05.06
3FE 51892 AAAA TCZZA

Figure 5-7 Four 10/100/100 Base-T Ethernet port ONTs

Power
Converter
GPON Triplexer
Note —
The RF video amplifier is integrated with the triplexer. It is
shown split-out in Figure

Figure 5-8 SoC with external DSP for SOHO and BONT ONTs

Power
Converter
Triplexer
Video amplifier
July 2008
Edition 01 ONT Product Information Manual
5 — SoC based ONT functional blocks
SOC
Ethernet
Video amplifier
5-7 to illustrate the functionality.
External
DSP
SOC
RJ-11
POTS
RJ-45
switch
F
19394
RJ-11
POTS (8)
RJ-45
Ethernet (2)
F-type
coaxial
19420
5-9