Vivotek IP3111/3121 - Manual (Page 9)

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www.vivotek.com
T: 886-2-22404099
F: 886-2-22404097
Physical Description
Rear Panel
Ethernet 10/100 socket
Connect to Ethernet network with a UTP category 5 cable that cannot exceed 100 meters. Once the
Ethernet cable is connected without error, Network Camera 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 Network Camera operates with Ethernet interface,
administrators may use this port to control custom Pan-Tilt device.