Specifications

Status
Bits
8=1
9=1
10=1
11=1
12=1
13=1
14=1
15=1
Status
Description
Carrier The carrier signal is detected on
the link lines.
Clear-to-send The request-to-send is received;
the modem sets the clear-to-
send flag.
Ring indicator The ring signal is received from
the modem.
Data
set ready Data set ready signal from
modem
Data not The data request from the trans-
available
mitter is not serviced in time;
the fill character
was sent in-
stead of the data.
ADT COP
Protect
Test mode
End-of-operation
in auto-data
transfer mode; a macro interrupt
was generated.
The channel and encoder
are
operating in protected mode.
The channel is operating
in test
mode.
18"3-2 Communicotion Line Adapter (CLA)
Status
.Jill..
~
Sub request
code internal
to driver
Not used
8
Parity error
9 Illegal request
10
11
12
~: )
15
Request timeout
Training error
Lost data
Not used
Com munica tion
Subsystem down
Description
Code 0 - Normal mode
1 - Logical connect
2 - Logical disconnect
3 - Write-Read operation
4-31 - Not used
t Transmitted by the send section of an input operation
o 6-30
1860 LCTT/Formatter
Status
Bit
~
o Ready
1
Busy
2 Interrupt
3 Alarm
4
s75
.}
Not used
Description
Tape uni t connected and ready
Equipment
is busy
Interrupt response
8
End of operation Data transfer completed
9
End of tape End-of-tape marker sensed
10 Not used
11
12
13
14
15
File mark
On-bus
Not used
Controller
protect
Bus-busy
File mark or tape mark is sensed
Controller connected be formatter
Controller cannot be accessed
from unprotected location if
protect is enable
Formatter cannot be accessed
by controller
361-1 and 361-4 Communication Adapter
(Even Channel)
Status
Bits
0-7
8=1
9=1
10=1
Status
Data bits
to
Communica-
tion Multi-
plexer
Break
Character
lost
Character
requestt
Description
Input words of 5
to 8 data bits
from the modem
The break status indicates a line
current break or interruption
from the remote station.
The servicing program did not
receive the current data char-
acter before a new character
was shifted into the receive
sec-
tions holding register. Current
character data is lost.
The send section
is in condition
to receive data from the com-
puter. Bit
10 is set after the
enable character request signal
from the communication multi-
plexer and the clear-to-send sig-
nal from the modem
are present
in the send action.
96769450 B