Total Access 372 Small Business Unit ONT Installation and Maintenance Guide
10
61287722G1-5B
Alarm Reporting
The
circuit
board
provides
alarm
reporting
for
the
Uninterruptible
Power
Supply
(UPS).
The
following
alarms
are
supported:
• Low
Battery
• Battery
Missing
• Replace
Battery
• On
Battery
SBU ONT Interfaces
The
SBU
ONT
supports
the
following
interfaces:
• Eight
(8)
POTS
• Four
(4)
DS1
• Two
(2)
10/100/1000Base
‐
T
Ethernet
Connections
• Power
Ethernet Interface
The
SBU
ONT
supports
data
services
through
two
10/100/1000Base
‐
T
Ethernet
interfaces
via
RJ
‐
45
connectors.
The
Ethernet
interface
meets
IEEE
802.3
specifications
and
is
transformer
coupled
for
1500
V
isolation.
Both
full
and
half
duplex
modes
are
supported.
The
SBU
ONT
also
supports
video
service
via
the
Ethernet
through
the
ETH 2
interface.
POTS Interface
The
SBU
ONT
supports
basic
telephone
service
through
eight
POTS
interfaces.
Each
interface
is
supported
by
an
RJ
‐
11
jack
for
testing.
The
POTS
Interface
feature
set
is
listed
below:
• 5
REN
per
port
• Loop
start
• Loop
supervision
detecting
and
reporting
• 50,
60,
70
Vrms
integrated
ringing
•
μ‐
law
or
a
‐
law
voice
coding
• 30
mA
loop
current
• Integrated
GR
‐
909
testing
Summary of Contents for 1287722G1
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