Troubleshooting Tips - Black Box mm146 User Manual

Troubleshooting Tips

66
Symptom Probable Cause(s)
Videophone does No AC power to the
not power up: 12VDC Power Adapter,
Indicator LED is or no DC Power to the
off. system.
When making There may be a cable
calls the unit fault between the unit
reports "Dialing" and the network hub or
but does not switch.
connect.
When making There is no route to the
calls the unit other device, or the
reports "Dialing" firewall may be
but does not blocking the
connect. transmission path
betrween devices.
Units connects but A firewall is blocking
no video and/or the video/audio
audio. streams.
Unable to go to Supervisor PIN was not
video. provided.
After connecting The Remote Access
to a remote menu item has not been
system, you are set to ON in the Camera
unable to control Video Setup menu.
or change the
camera inputs.
Solution
If you are using the supplied AC
adapter, check the AC power
supply for 120VAC or 240VAC
as indicated.
If directly powering the unit
from an external DC supply,
check the alternative supply for
proper operation and 10-18
VDC.
Check the network line by
viewing the LEDs on the
network ports. A green LED
indicates a good network
connection. Try a different cable
and check that the cable is
connected to the 'Network' port
if the light is off.
Check the IP configuration. (IP
address, subnet mask, default
gateway).
If calling through a firewall
contact your network
administrator.
Create a DMZ for both
videophones, or unblock the
following ports in the firewall for
calls to/from the videophone.
1720, 5000-5010. Set the UDP
port address to 5000.
Contact Black Box Technical
Support for advice.
Check the settings in the Camera
Video Setup menu and make sure
Remote Access is ON.