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.

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Vivotek IP3111/3121 manual Physical Description, Rear Panel, Ethernet 10/100 socket, COM port