Outline of Functions
20
The recorder and cameras connected to it can
b
e operated from a
PC on the net
w
ork.
Enabled functions
W
hen monitoring images from a camera
w
ith pan and tilt function.
The recorder has t
w
o net
w
ork security functions.
Limit access with user authentication/host
authentication
Turn on the user and host authentication to limit users that can
access the recorder.
Limit access by chan
g
in
g
HTTP ports
Illegal access from port scanning is prevented
b
y changing the
HTTP port num
b
er.
• To improve security even more
To improve net
w
ork security, use a router to divide the su
b
net,
make t
w
o layers of IP address authentication
w
ith the recorder
and router. If the recorder is connected to a net
w
ork that is not
secure, you can improve security
b
y inserting a
V
PN
b
et
w
een the
recorder and the host PC.
Connection Examples
You can improve net
w
ork security
b
y using a fire
w
all for packet and
protocol filtering.
Connection Examples
Network
Remote Operation
Function
Description
Pan & tilt
Adjust the cameras horizontal and vertical
position.
Zoom
Zoom in/out the image.
Focus
Adjust the focus point of the image.
Brightness
Adjust the lens iris. (
b
rightness)
Preset
operations
Registers the preset position of camera and moves
the camera to the registered preset positions.
Auto
Select the camera
'
s automatic mode function.
Network Security Function
Important:
•
Net
w
ork security settings vary depending on the LAN the
recorder is connected to and the service provider and other
various settings. Contact the net
w
ork administrator to discuss
net
w
ork security.
IP address:
192.168.1.250
s
u
bnet mask:
255.255.255.0
Defa
u
lt gateway:
192.168.1.1
IP address:
192.168.0.100
s
u
bnet mask:
255.255.255.0
Defa
u
lt gateway:
192.168.0.1
IP address:
192.168.1.1
s
u
bnet mask:
255.255.255.0
IP address:
192.168.0.1
s
u
bnet mask:
255.255.255.0
*Wide Area
N
etwork
WA
N
*
Recorder
Ro
u
ter
Ro
u
ter
PC
Recorder
Switching h
u
b
IP address:
192.168.1.250
s
u
bnet mask:
255.255.255.0
Defa
u
lt gateway:
192.168.1.1
IP address:
192.168.0.100
s
u
bnet mask:
255.255.255.0
Defa
u
lt gateway:
192.168.0.1
IP address:
192.168.1.1
s
u
bnet mask:
255.255.255.0
IP address:
192.168.0.1
s
u
bnet mask:
255.255.255.0
*Wide Area
N
etwork
WA
N
*
Firewall
Ro
u
ter
Ro
u
ter
PC
ND400_Basic.book 20 ページ ２００８年７月１０日 木曜日 午前１０時５０分
Summary of Contents for WJND400 - NETWORK DISK RECORDER
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