Scotty eyesite550, User Manual

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Internet Connectivity
The eyesite 550 supports a variety of different network topologies, depending on your
requirements or installed infrastructure.
Setting up the network connection can be complicated. This section helps you to
make the best choices and to understand the options available to you. The choice of
network topology is determined by three key criteria explained below.
Physical connection type.
The eyesite 550 supports both IP and PSTN connection types. The difference
between these connections is shown in the table below.
Many using the eyesite 550 choose IP connectivity for the primary connection and
PSTN as a backup.
IP connections can be through a corporate network, a leased line, VPN, or commonly
a cable, ADSL, or SDSL broadband line.
PSTN Lines can be regular phone lines in a home or small business environment, or
PBX (Private Branch Exchange) lines in larger businesses with a receptionist or call
handling system. The examples included in this Appendix provide useful hints for
getting the best out of your phone line.
Item
IP PSTN
Max speed 384 kbps 33.6 kbps
Min speed 32 kbps 14.4 kbps
Video Resolution CIF (352 x 288) CIF (352 x 288)
Video frame rate max 20 fps (CIF) max 7 fps (CIF)
Audio Bandwidth 7 kHz 3.5 kHz
Connection time < 10 sec >12 sec
Line rental $30 / month $15 / month
Call Charge Included in above 0c - >$1/minute International
Numbering Various Telephone number
Summary Excellent Quality
Some configuration
Fixed low costs Reasonable Quality
Little or no configuration
Low costs