Manual

Operating Characteristics 3-9
3.2.1.1 Control State Transitions
Certain state transitions will cause a collection event to be signaled. If the event is
enabled, this event will be sent to the Host along with the appropriate reports if
appropriate. This table lists the state transitions and notes when events will be sent
to the Host.
Table 3-4 Control State Transitions
# From Trigger To Description
1 Unknown Power-Up Conditional This transition is made to either
the Off-Line or On-Line state,
depending on the EC
INITCONTROLSTATE (VID 8).
2 Unknown Power-Up Conditional This conditional transition is
governed by the value of the
OFFLINESUBSTATE EC (VID
49).
3 Equipment
Off-Line
Operator requests
to go On-Line
Attempt On-
Line
The GES-1993 will immediately
send an S1F1 to request to go
On-Line.
4 Attempt On-
Line
Unsuccessful On-
Line request
Conditional This transition occurred because
the Host did not reply to an S1F1
with an S1F2 or because the
S1F1 was not successfully sent.
5 Conditional ONLINEFAILED
Equipment
Constant
configured to
Equipment Off-
Line.
Equipment
Off-Line
Equipment will allow the operator
to attempt to go On-Line again.
6 Conditional ONLINEFAILED
Equipment
Constant
configured to Host
Off-Line.
Host Off-Line The GES-1993 will accept a Host
initiated request to go On-Line by
replying to the S1F17 with
ONLACK = 0x00.
7 Host Off-Line Operator requests
to go Off-Line
Equipment
Off-Line
A Host request to go On-Line will
not be accepted.
8 Attempt On-
Line
Successful On-
Line request.
On-Line The Equipment is now On-Line.
9 On-Line Host puts the
Equipment Off-
Line by sending
S1F15 and
receiving the
S1F16 with
OFLACK = 0x00.
Host Off-Line EVENT:
GemControlStateOFFLINE (CEID
3). The GES-1993 will accept a
Host initiated request to go On-
Line by replying to the S1F17 with
ONLACK = 0x00.