User's Guide

Base Station States
164
Base Station States
The following table describes base station states:
The following table describes base station events:
States
StatesStates
States Description
DescriptionDescription
Description
Initialization No communications session exists between the base
station and the sub station. The base station initializes
the session.
Wait for Initial Response The base station has sent an RR command frame (with
poll bit set) and is waiting for a response.
Wait for Set Mode
Response
The base station has sent an SNRME command frame
and is waiting for a response.
Wait for XID Response The base station has sent an XID command frame and
is waiting for a response.
Connected The session has been established and I-Frames may be
exchanged.
Wait for any Response The base station has sent an supervisory (RR, RNR,
REJ) or I-Frame and is waiting for a response.
Disconnected The base station has sent a DISC command and is
waiting for a response.
Events:
Events:Events:
Events: Description:
Description:Description:
Description:
Poll timer timeout The poll timer has timed out indicating that it is now
time to poll the sub station.
DM Received A DM response frame was received from the sub sta-
tion.
RR Received A RR response frame was received from the sub sta-
tion.
UA Received A UA response frame was received from the sub sta-
tion.
XID Received A XID response frame was received from the sub sta-
tion.
Data to transmit The base station has a frame queued to transmit to the
sub station.
I-Frame Received An I-Frame was received from the sub station.