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4-2
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 CHANNEL 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
Figure 4-1
Channel status display
CARD 1
CARD 2
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
= Open Channel
= Closed Channel
7001 Display
4.3.1 Channel 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
×
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
×
10 organization of the matrix card
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