Components and Interfaces
61287722G1-5B
9
Circuit Board
WARNING
!
Do
Not
open
the
Electronics
Module
or
attempt
to
remove
the
Circuit
Board
from
the
Electronics
Module.
The
SBU
ONT
contains
a
single
circuit
board
contained
within
the
Electronics
Module
that
provides
the
following
functions:
• Data
Processing
• Voice
Processing
• Alarm
Reporting
Data Processing
The
following
data
processing
functions
are
performed:
• Traffic
management
(priority
queuing,
scheduling,
policing
and
traffic
shaping)
• Up
to
16
VLANs
• IGMP
Snooping
• QoS
with
four
traffic
classes
per
IEEE
802.1p
• Full
IEEE
802.1Q
VLAN
ID
processing
per
port
• 64
byte
to
1600
byte
packet
sizes
Voice Processing
The
POTS
Voice
Processing
feature
set
is
listed
below:
• Echo
cancellation
per
ITU
‐
T
G.168
‐
up
to
16
ms
tails
• Caller
ID
FSK
tone
generation
• Fixed
or
adaptive
jitter
buffer
• modem,
fax
tone
detection
• DTMF
detection/generation
• RTP/RTCP
• Silence
suppression
• Comfort
noise
generation
• SIP
• MGCP
• GR
‐
303
• RFC
2833
• Voice
activity
detection
• Configurable
framing
size
‐
10
ms,
20
ms,
or
30
ms
• G.711,
G.729AB
Summary of Contents for 1287722G1
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