1. How Circuit-Switched
Digital Networks Work
Writing and Speaking EP2 -2008 Roy
Week11 Group Web Presentation
p186-187
members:
s1160007 Yuki Abe
s1160001 Takatoshi Akiyama
s1160005 Shohei Abe
s1160006 Taishi Abe
2. Circuit-Switching
Circuit switching is the most common technique
used to build communication networks worldwide.
Circuit switching entails network communication
where dedicated channels/circuits are established
for the duration of a transmission.
3. ISDN
● ISDN means
integrated services
digital network.
● ISDN is the service
which send the data
with sound
efficiently,and
supplies a variety kind
of communication
service by a circuit.
4. LAN-TO-LAN
*TCP/IP
TCP/IP is how that combines the basic
communication protocol used by the Internet etc.
and “TCP” to “IP” to call.
5. The Intraswitch
A intraswitch trunk is a fiber-optic link.
A trunk link is a port that can transport traffic of
VLANs.
A frame which flows on a trunk link has information
to distinguish which traffic of VLAN is.
6. The central office switch
● The central office
switch accepts the
incoming call and
makes a digital
connection to the
destination.
