iVision IV-NT6811D, Руководство пользователя, Страница: 39 / 42

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Appendix B Factory Default Parameters
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Factory Default Network Parameters
Parameter Default Value
IP address 192.168.1.19
Subnet mask 255.255.255.0
Gateway 192.168.1.1
Transfer start port 3000
Data control port 3001
Remote replay port 3002
Web port 80
Multicast address 235.1.1.1
Multicast port 6500
DDNS Close
Motion detection Close
Probe alarm Close
PPPOE Disconnected
Remote host port 3004
Alarm host port 8000
DNS server port 8080
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User & password
Parameter Default Value
Factory default admin username 888888
Password 888888
Factory default common user 1 username 1
Password 1
Factory default common user 2 username 2
Password 2
The common user can not make parameter setting after login.
7. Interpretation of terms
1. Dual-stream
The dual-stream uses one-way code stream with high code rate for the local high resolution storage,
for instance: QCIF/CIF/2CIF/DCIF/4CIF number, and one-way code stream with low code rate for
network transfer, such as QCIF/CIF number; meanwhile it covers the local storage and remote network
transfer. The dual-stream can realize two different bandwidth code stream demand, i.e.: the local
transfer and the remote transfer. The local transfer uses the high code stream to save high resolution
video, whereas the remote transfer uses the low code stream to adapt to the higher image fluency
obtained by CDMA/ADSL and other interwork.
2. I frame
I frame is the one to compress and transfer infra-frame coding image of volumes of data by
removing the redundant information of image space; it is called also the key frame.
3. B frame
B frame is the one to compress and transfer encoded image of volumes of data by considering the
encoded frame before the source image sequence and the time redundancy information between the
encoded frames behind the source image sequence; it is called also the dual-way predicated frame.