Filter
Top Products
137 | NAVISET ADMINISTRATOR 2 USER’S GUIDE
Appendix
137 | NAVISET ADMINISTRATOR 2 USER’S GUIDE
A
Comparison of connection methods for
NEC large-screen displays
Connection Method
Direct LAN LAN to RS232
Bridge
RS232 WMI
Provider
DDC/CI WMI
Provider
Host Windows
Computer Required
No Yes Yes Yes
Operation Speed Fastest Fastest Slowest Average
RS232 Daisy Chain
Supported
Yes Yes Yes
No (multi-monitor on
computer is supported)
Control when remote
host computer is
powered down or not
functional
N/A No No No
Control without user
logged in to remote
host computer
N/A No Yes Yes
Use and select any
video input
Yes Yes Yes
No (Current input only.
Must be VGA or DVI.)
Conguration of
Monitor IDs and
number of displays on
host computer
N/A
No conguration
necessary
Must be specically
congured on the host
computer
No conguration
necessary
Maximum cable
length
100m 10m 10m 3m
Additional limitations
One COM port
supported
Multiple COM ports
supported
No splitters, KVMs,
or Video over
CAT5/6. Two-way
communications using
DisplayPort or HDMI
inputs is not supported.
Supported on SBC
(Single Board
Computer)
N/A Yes Yes No
IP Address
IP address required for
display
Shares IP address of
host computer
Shares IP address of
host computer
Shares IP address of
host computer
Network Security None None
Yes. Requires
administrator
credentials.
Yes. Requires
administrator
credentials.
Typical Standard
Refresh Time
20 seconds per display 20 seconds per display
20 seconds per display
+ 10 seconds x the total
number of displays
30 seconds
Typical Full Refresh
Time
120 seconds per
display
120 seconds per
display
60 seconds per display
+ 10 seconds x the total
number of displays
75 seconds
See connection
diagram on
page 53 page 55 page 59 page 46