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Step 2
Step 3
Step 4
Step 5
Siemens Building Technologies
HVAC Products
• Further steps:
Make sure the Ethernet cable is plugged in correctly at the web server,
−
switch/router.
Make sure the Ethernet cable for direct connection of the OZW to the PC/laptop is
−
a crossed cable.
Make sure the cable to connect to the switch/router is a straight Ethernet cable.
−
Make sure the switch/router are turned on (power on).
−
Are the LEDs on the Ethernet card OZZ7E5 lit?
• Orange LED: Connection status (link).
LED is lit if the web server is integrated correctly (physically) in the network.
• Green LED: Send/receive (activity indication).
LED is blinking when the web server sends or receives data.
Is Ethernet TCP/IP configured correctly?
• Check the IP address, IP subnetwork address (subnet mask), default gateway, and
DNS server in the menu tree.
Command sequence: Settings > Communication > Ethernet.
Is routing outside the LAN correct?
• Check using the PC/laptop on the same network by entering the following ping:
tracert <IP address web server>
−
Do the security settings (firewall) allow for the connection?
• Clarify firewall issues with the network administrator and ISP
(briefly deactivate the firewall as needed and check the connection).
See next page for Steps 6 and 7.
Commissioning instructions OZW775 V2.01
Communication via Ethernet
or tracert <Domain Web Server>
107/148
CE1C5663en
22.06.2012
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