ALFA NETWORK AIPC933D - Manual (Page 67)

Network Camera User’s Guide
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Appendix B: Troubleshooting &
Frequently Asked Questions
Question Answer or Resolution
Features
The video and audio
codec is adopted in the
device. The device utilizes H.264, MPEG4 and JPEG triple
compression to providing high quality images. Where H.264
and MPEG4 are standards for video compression and JPEG
is a standard for image compression.
The audio codec is defined as AMR for 3GPP and
G.711/G.726 for RTSP streaming.
The maximum number
of users access the
device simultaneously. The maximum number of users is limited to 20. However, it
also depends on the total bandwidth accessed to this device
from clients. The maximum data throughput of the device is
around 20~25Mbps for UDP mode and 10Mbps for HTTP
mode. Therefore, the actual number of connected clients is
varying by streaming mode, settings of resolution, codec
type, frame rate and bandwidth. Obviously, the performance
of the each connected client will slow down when many users
are logged on.
The device can be used
outdoors or not. The device is not weatherproof. It needs to be equipped with
a weatherproof case for outdoors using. However, equipped
with a weatherproof case might disable the audio function of
the device.
Install this device
Status LED does not
light up. • Check and confirm that the DC power adaptor, included in
packaged, is used. Secure the power connector and re-power
it on again.
• If the problem is not solved, the device might be faulty.
Contact your dealer for further help.
The network cabling is
required for the device. The device uses Category 5 UTP cable allowing 10 and/or
100 Base-T networking.
The device will be
installed and work if a
firewall exists on the
network. If a firewall exists on the network, port 80 is open for ordinary
data communication. The HTTP port and RTSP port need to
be opened on the firewall or NAT router.
The username and
password for the first
time or after factory
default reset Username = admin and leave password blank.
Note that it’s all case sensitivity.
Forgot the username
and password Follow the steps below.
1.
Restore the factory default setting by press pressing and