Vivotek VS3102 - Manual (Page 10)

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9
Rear Panel
Ethernet 10/100 socket
Connect to Ethernet network with a UTP category 5 cables that cannot exceed 100 meters. Once the
Ethernet cable is connected without error, Video Server will utilize Ethernet interface regardless of
modem connection.
COM port
This RS232 serial port can connect with a modem or included null modem cable to utilize dial-up
network when Ethernet is not available. If Video Server operates with Ethernet interface, administrators
may use this port to control PTZ camera attached to VIDEO.