ON Semiconductor NCN49597 Manual page 14

CLIENT
Application
NCN49597 in
MASTER mode
NCN49597 is intended to connect equipment using
Distribution Line Carrier (DLC) communication. It serves
two major and two minor types of applications:
•
Major types:
Master or Client:
♦
A Master is a client to the data served by one or
many slaves on the power line. It collects data from
and controls the slave devices. A typical application
is a concentrator system
Slave or Server:
♦
A Slave is a server of the data to the Master. A
typical application is an electricity meter equipped
with a PLC modem.
SERVER
Application
NCN49597 in
SLAVE mode
Major User Type
Figure 6. Application Examples
http://onsemi.com
NCN49597
SERVER
Application
NCN49597 in
SLAVE mode
•
Minor type:
Spy or Monitor:
♦
Spy or Monitor mode is used to only listen to the
data that comes across the power line. Only the
physical layer frame correctness is checked. When
the frame is correct, it is passed to the external
processor.
Test Mode:
♦
The Software Test Mode is used to test the
compliance of a PLC modem conforms to
CENELEC. EN 50065−1 by a continuous broadcast
of f or f .
S M
14
SPY TEST
Application Application
NCN49597 in NCN49597 in
MONITOR mode TEST mode
Minor User Type
PC201111 12.2