ZyXEL Communications P-661H Series, Руководство пользователя

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P-661H/HW Series User’s Guide
72 Chapter 3 Wizards
Launch your web browser and navigate to www.zyxel.com. Internet access is just the
beginning. Refer to the rest of this guide for more detailed information on the complete range
of ZyXEL Device features. If you cannot access the Internet, open the web configurator again
to confirm that the Internet settings you configured in the wizard setup are correct.
3.3 Bandwidth Management Wizard
Use these screens to control the amount of bandwidth going out through the ZyXEL Device’s
WAN port and prioritize the distribution of the bandwidth. This helps keep one service, or
application, from using all of the available bandwidth and shutting out other services.
The following table describes the services you can select.
View Device
Status
This field is displayed if you are using the user password.
Click this to go to the
Status screen.
Finish Click this to close the wizard main screen and return to the Status screen or the main
window.
Table 20 Internet Setup Wizard: Summary (continued)
LABEL DESCRIPTION
Table 21 Media Bandwidth Management Setup: Services
SERVICE DESCRIPTION
E-Mail Electronic mail consists of messages sent through a computer network to specific
groups or individuals. Here are some default ports for e-mail:
POP3 - port 110
IMAP - port 143
SMTP - port 25
HTTP - port 80
FTP File Transfer Program enables fast transfer of files, including large files that may
not be possible by e-mail. FTP uses port number 21.
NetMeeting
(H.323)
A multimedia communications product from Microsoft that enables groups to
teleconference and videoconference over the Internet. NetMeeting supports VoIP,
text chat sessions, a whiteboard, and file transfers and application sharing.
NetMeeting uses H.323. H.323 is a standard teleconferencing protocol suite that
provides audio, data and video conferencing. It allows for real-time point-to-point
and multipoint communication between client computers over a packet-based
network that does not provide a guaranteed quality of service.
H.323 is transported primarily over TCP, using the default port number 1720.
VoIP (H.323) Sending voice signals over the Internet is called Voice over IP or VoIP.
H.323 is a standard teleconferencing protocol suite that provides audio, data and
video conferencing. It allows for real-time point-to-point and multipoint
communication between client computers over a packet-based network that does
not provide a guaranteed quality of service.
H.323 is transported primarily over TCP, using the default port number 1720.