197
P/N 466-5227
• REVA • ISS 26AUG15
ZeroWire Reference Guide
©2015 United Technologies Corporation
A.2 Troubleshooting DLX900
Problem
Solution
Cannot connect over TCP/IP
Check you can ping the ZeroWire.
Check the Download Access Code.
Check that remote access is enabled on the
ZeroWire.
You generally need to be on the same network to
connect via TCP/IP. If you are connecting from a
separate network, you will need to set up port
forwarding to port 41796 on the router the ZeroWire
is connected to. Consult your router manual or your
IT department for assistance. Technical support is
unable to assist with setting up port forwarding due
to differences in customer networks and equipment.
Do not know Download Access Code
Login to ZeroWire Web Server and go to Settings
–
Network. Generally this will need to be done on-site
with an internet browser.
At factory default, DLX900 will automatically allow a
connection using the default Go To Program Code /
Installer Code of
9
-
7
-
1
-
3
even if the Download
Access Code is unknown or set to default of
00000000 (disable upload/download). This is a
convenience feature for Installers and control rooms
when a system is first installed.
This is why you must change the Installer Code to
protect the system from further changes. Once the
Installer Code has been changed, this feature no
longer works and you must have the correct
Download Access Code.