Medium Access Control (MAC) and Physical Layer (PHY) - CISE

4-June-07 P1901_PRO_016_r0
4.2.3 Transition state diagrams
Legend
Slave state (master side)
Transition event
Master actions associated to the state
No response to
MAX_ALIVE_TOKENS
Alive polling tokens
Idle
Master regularly sends Active
polling tokens and Alive polling
tokens to this slave. No data token
is transmitted to this slave.
Master does not manage this state.
Regularly, the master broadcasts an access frame
to discover/recover Unregistered nodes.
Unregistered
The slave replies
to an Active polling token
The slave does
not make use of the time
granted by
its master
Figure 26 CPE states – Master side
Access protocol
completed
Submission page 90 UPA-OPERA
Active
Master sends data
tokens to this slave.
No polling token
is sent to this slave