Vaisala viewLinc-4.1-M211518 - Manual (Page 156)

viewLinc 4.1 Administrator Guide 149
that routing exists between the subnets. Go to the next
test.
2
For Digi devices:
a
In the command prompt, type telnet <IP address>. If
you get a login prompt, this test will prove that the de-
vice is able to respond to requests. Hit "Ctrl+C" to
abort the login. Go to the next test.
b
In the command prompt, type telnet <IP address> 771.
If you get an error message (and the previous tests
were successful) then Port 771 is being blocked be-
tween the local computer and the device. This port
must be opened before the device can be used with
Vaisala software. This port may be blocked by network
devices (such as routers, firewalls or layer 3 switches)
or PC software (such as the Microsoft Windows Fire-
wall, 3rd party firewalls, or security software suites).
Unblock this port.
A successful connection is indicated by sets of three
(3) horizontal lines ( ...) appearing on your
screen. Note that one set of lines will appear every 10
seconds.
Q: Why can’t I login to viewLinc despite using the correct user-
name and password?
A: Ensure the service “viewLinc Enterprise Server” is
running. In Windows Control Panel, choose Administrative
Tools | Services, then find “viewLinc Enterprise Server” on
the list and right-click to
Start
. (If Enterprise Server isn’t
running you cannot view the Login screen).
Q: I'm getting communication alarms in viewLinc. I think my net-
work device or device has stopped responding. What do I do?
1
Ensure your devices are plugged in.
2
Ensure your network device is connected to a power
supply and the power supply is plugged in. On a Digi or
vNet device, the power light on the front of the device
should be solid red.
3
Ensure the device is connected to and communicating
with the network. Try to ping the device by typing the