Hitachi JPEG2000 - Manual (Page 12)

JPEG2000 Stand alone DVR User Guide
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2-2-3 Relay output installation
Alarm output can be NO or NC, depending on the settings.
NO-COM: the NO and COM terminals are open-circuit, and it’ll become closed-circuit when alarm triggered.
NC-COM: the NC and COM terminals are closed-circuit, and it’ll become open-circuit when alarm triggered.
2-3 Network and serial port installation
2-3-1 Network setup
Connect the network cable to “Ethernet”on back panel.
Ethernet Setup between ADSL and Cable is different. For details, please refer to Ch. 7-2 Network installation.
2-3-2 Serial port setup
User is able to connect the COM port of PC or other device to the DVR through RS232.
RS232 settings (baudrate/ parity/ length/ stop bit ) are NOT adjustable.
The transmission baudrate is 19200bps, length 8 bits, stop bit 1, and the parity is none.
ASCII-CODE is 1 BYTE.