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4.3.1
Chanoef
assignments
The
Model
7001 has
a
channel
status
display (Figure
4-
1)
that
provides
the real-time state of
each
available
channel.
The
left
portion
of
the display
is
for slot 1
(Card
1),
and
the
right
portion
is
for
slot
2 (Card
2).
Notice
that the
matrix organization of the
channel
sta-
tus
display corresponds
directly to
the
4
x
10 organiza-
tion of
the
matrix
card.
With
a matrix card
installed,
the
top
row
of the display
corresponds
to
Row
1
of the
ma-
trix
card.
The
10
columns
of the
matrix
are labeled
1
through 10
on
the
display.
The
next
rows
down
corre-
spond
to
Rows
2, 3,
and
4
respectively.
Matrix organization
of the
channel
status
display
cor-
responds
to
the
4 X
10 organization of the
matrix card
as
shown
in
Figure
4-2.
Each
channel
is
designated
as
a
row/
column
crosspoint.
To
control the
matrix card
from
the
mainframe, each
matrix
crosspoint
must
have
a
unique
CHANNEL
as-
signment.
The
CHANNEL
assignments
for
the matrix
card
are
provided
in
Figure
4-3.
Each
CHAJsINEL
as-
signment
is
made up
of the
slot
designator
(1
or
2)
and
the
matrix
crosspoint.
To be
consistent
with
Model
7001
operation, the
slot
designator,
row and
column
are
separated
by
exclamation
points
(!).
Some
exam-
ples of
CHANNEL
assignments:
CHANNEL
1!1!1
-
Slot
1,
Row
1,
Column
1
CHANNEL
1!4!10
=
Slot
1,
Row
4,
Column
10
CHANNEL
2!2!9
-
Slot
2,
Row
2,
Column
9
CHANNEL
2!3!4
=
Slot
2,
Row
3,
Column
4
7001
Display
CARD
1
CARD
2
1
>
10
10
a
=
Open
Channel
aaaaa
=
Closed Channel
Figure 4-1
Channel
status
display
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