Google Education – access infrastructure guide User Manual
Page 5
5
Access area
Small network
Medium network
large network
LAN : Wired
Ports
Consider if wired network
ports are needed and in
which areas
How many ports per area for
users and how many for APs
and other devices
Cabling - at least CAT 5
(up to 100Mbps)
Consider if wired network
ports are needed and in
which areas
How many ports per area for
users and how many for APs
and other devices
Cabling - at least CAT 5e.
Consider fiber if distance
between nodes > 100m
(up to 1Gbps)
Consider if wired network
ports are needed and in
which areas
How many ports per area for
users and how many for APs
and other devices
Cabling - at least CAT 6. Use
fiber to connect campus
(up to 10Gbps)
LAN : WiFi :
AP radio
planning
Radio planning is very
important for a successful WiFi
deployment. Plan on using
multi radio
It is prefered to use 5Ghz
radios the larger your
installation gets as they have
more channels for channel
separation and thus can
support more AP radios and
thus more users
Basic planning steps are
referenced in
In all cases you should use
a planning tool, most likely
supplied by your equipment
vendor
Radio planning is very
important for a successful WiFi
deployment. Plan on using
multi radio
It is prefered to use 5Ghz
radios the larger your
installation gets as they have
more channels for channel
separation and thus can
support more AP radios and
thus more users
Basic planning steps are
referenced in
In all cases you should use
a planning tool, most likely
supplied by your equipment
vendor
Radio planning is very
important for a successful WiFi
deployment. Plan on using
multi radio
It is prefered to use 5Ghz
radios the larger your
installation gets as they have
more channels for channel
separation and thus can
support more AP radios and
thus more users
Basic planning steps are
In all cases you should use
a planning tool, most likely
supplied by your equipment
vendor
LAN : WiFi :
AP power
Consider
other devices. This way you
won’t need to have a separate
power line/port for each AP, IP
phone, camera, etc.
PoE: 15.4 W per port. Fine
to power APs. Normally not
enough to power cameras or
IP phones.
PoE+: 25.5 W per port.
More expensive, but can
power phones, cameras and
other devices.
* Note that your LAN Switches
should support the PoE
standard you choose. Not
always all ports of a switch are
PoE capable. You can combine
switches of both standards
feed different powers to
specific areas.
other devices. This way you
won’t need to have a separate
power line/port for each AP, IP
phone, camera, etc.
PoE: 15.4 W per port. Fine
to power APs. Normally not
enough to power cameras or
IP phones.
PoE+: 25.5 W per port.
More expensive, but can
power phones, cameras and
other devices.
* Note that your LAN Switches
should support the PoE
standard you choose. Not
always all ports of a switch are
PoE capable. You can combine
switches of both standards
feed different powers to
specific areas.
to power your APs and
other devices. This way you
won’t need to have a separate
power line/port for each AP, IP
phone, camera, etc.
PoE: 15.4 W per port. Fine
to power APs. Normally not
enough to power cameras or
IP phones.
PoE+: 25.5 W per port.
More expensive, but can
power phones, cameras and
other devices.
* Note that your LAN Switches
should support the PoE
standard you choose. Not
always all ports of a switch are
PoE capable. You can combine
switches of both standards
feed different powers to
specific areas.
continued