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The first step after establishing connection is to check whether the Link light is green,
otherwise please check network wire whether connected.
6.2 Network TCP Connection
The device cannot directly connect to computer Ethernet port when it’s in dynamic get IP
mode. Because there is no DHCP for use (normally the DHCP server is the router in
LAN), the direct connection please specify the IP, also the computer need to specify fixed
IP.
Figure 41 Set in One Network segment
Whether direct connection or through switch, when set to static IP, the device and
computer need to be in same network segment (except the cross-gateway
communication), as show in figure 41.
As the ZLVircom support cross-network segments to search and configure, if can search
but cannot communicate mostly probably the IP address wasn’t configured well, at the
situation you can use ZLVircom to configure the device in same network segment.
After configured using the steps of 4.3 TCP Communication Test or 4.4 Virtual Serial Port
Test you can see the Link light become blue when establishing TCP connections. The
Link light being blue also can be seen in ZLVircom, as in the device manage list if the
TCP Connection is “Established” that means the Link light is blue, it convenient for
remote diagnosis as in figure 42.
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