97
Table
10
‐
3
Description
of
Important
Parameters
Involved
in
Serial
Port
Configuration
Parameter
Description
Serial
Type
z
RS232
:
It
is
used
for
device
maintenance.
For
example,
the
RS
‐
232
port
may
be
used
to
connect
a
PC.
z
RS485
:
It
is
used
to
connect
an
external
device,
such
as
a
PTZ
camera,
a
transparent
channel
device
for
data
transmission,
or
a
specialized
keyboard.
Serial
Mode
z
Debugging
:
It
is
selected
only
for
the
DVR
device.
The
RS
‐
232
serial
port
is
used
for
device
maintenance.
z
PTZ
control
:
Allows
you
to
control
the
PTZ
camera
through
the
RS485
serial
port.
z
Transparent
Channel
:
It
is
selected
to
transparently
transmit
data
between
the
device
and
the
third
‐
party
device
through
the
RS
‐
485
serial
port.
Note:
If
the
device
is
the
registered
online
IPC,
the
serial
mode
can
be
Transparent
Channel
,
PTZ
Control
,
or
OSD
Overlay
.
On
the
actual
configuration
interface,
this
parameter
varies
with
different
device
models.
Transparent
Channel
This
parameter
specifies
whether
to
enable
or
disable
the
transparent
channel
function.
A
transparent
channel
refers
to
a
channel
that
transparently
transmits
data
between
two
devices.
One
end
of
the
channel
is
a
serial
port,
and
the
other
end
is
a
network
port.
Note:
Select
Enable
when
the
serial
mode
is
set
to
Transparent
Channel
.
Destination
IP
Destination
Port
IP
address
and
port
number
of
the
port
at
the
other
end
of
the
transparent
channel
Note:
The
two
parameters
can
be
set
only
when
the
serial
port
mode
is
set
to
Transparent
Channel
.
User
Configuration
Users
are
entities
for
system
management
and
operation.
After
being
assigned
corresponding
role
permissions,
users
can
log
in
to
the
device
to
perform
corresponding
system
management
and
operations.
A
role
is
a
group
of
operation
permissions.
When
a
role
is
assigned
to
a
user,
the
user
has
all
permissions
defined
in
the
role.
admin
is
the
default
super
system
administrator,
who
owns
all
permissions.
The
username
and
initial
password
of
this
user
are
both
admin
.
The
user
admin
can
change
its
own
password
but
cannot
be
deleted.
Only
the
user
admin
can
perform
user
management.
The
system
supports
two
types
of
user
roles:
z
Operator:
This
role
has
live
playback
and
related
service
permissions
by
default.
The
user
admin
can
modify
the
permissions
of
the
Operator
as
necessary.
z
Administrator:
This
role
has
service
management,
live
playback,
and
service
query
permissions
by
default.
The
user
admin
can
modify
the
permissions
of
the
Administrator
as
required.
NOTE
！
Some
permissions
are
associated
with
each
other.
For
example,
when
the
patrol
configuration
or
preset
position
configuration
permission
is
configured,
the
live
viewing
and
PTZ
control
permissions
of
the
camera
are
automatically
added.
Содержание DVR300-08E
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