GKB 4CH/8CH VFire Server
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3.2 Optional Connections
n Audio input
Connect the audio input connector to the audio line-out from some audio
source. Please make sure to associate the audio input with the cameras in
Camera Setup as described in Section 6.2 accordingly.
n Audio output
Connect the audio output connector to the audio line-in from speakers.
n Alarm input
Connect the alarm inputs to NC and/or NO type of alarm signals. Please
make sure to setup the alarm configurations as described in Section 6.3
accordingly.
n Alarm output
Connect the alarm output #1 to NC type of alarm signal, or alarm output #2 to
NO type of alarm signal.
n Ethernet
Connect the (WAN) Ethernet connector to a standard twisted-pair Ethernet
cable for remote access via LAN or internet. Please make sure to setup the
related configurations as described in Section 6.10.
n USB 2.0 disk drives, DVD+RW, card reader, etc.
If the user wants to use USB2.0 peripheral device to retrieve important
recorded images and/or audio, please connect it to the USB2.0 port connector.
n I/R remote controller
The user may use I/R remote controller to control the digital video/audio
recorder.
n RS-485 keyboard or Terminal
Connect the RS-485 connector to a RS-485 keyboard controller or VT-100
terminal via the appropriate cables. Please make sure to setup the RS-485
configurations as described in Section 6.9 accordingly. Please refer to
Appendix C for the Keyboard Control Protocol for the digital video recorder.
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