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3. With the correct slot assignment displayed, press
ENTER. The display will return to the SET CARD
TYPE menu.
SLOT-2 To assign slot 2, place the cursor on SLOT-2
and press ENTER. A message indicating the current
slot assignment will be displayed. For example, if slot
2 was last assigned as a Model 7052, the following mes-
sage will be displayed:
SLOT-2 CARD: 7052
Note: If slot 2 is assigned as a Model 701X series card,
you will not be able to change the assignment since that
is the card that is actually installed in the slot. Press
EXIT to return to the SET CARD TYPE menu.
1. Determine the correct assignment for slot 2 using
the following guidelines:
A. If slot 2 is empty and is not going to be used, as-
sign it as "NONE". This will turn off the front
panel channel status display for slot 1 since it is
not going to be used.
B. If using a non-701X series card (Models 7052
through 7402) that is installed in slot 2, assign
slot 2 as that model number. For example, if the
Model 7062 is installed in slot 2, assign slot 2 as
"7062".
C. If slot 2 is going to be used to simulate a 40
channel mux, assign it as "9990". To simulate a
4 × 10 matrix, assign it as "9991". Note that a
non-701X series card left installed will be con-
trolled while using slot 2 as a simulator.
2. Use the cursor keys (
rect slot assignment. In general, the
increments the displayed model number while the
cursor key decrements the model number.
3. With the correct slot assignment displayed, press
ENTER. The display will return to the SET CARD
TYPE menu.
4.7.2
#-OF-POLES
The pole configuration of some switching cards can be
altered. For example, the Model 7011 is normally used
as 2-pole, 40-channel multiplexer card. However, since
Banks A and B can be isolated from Banks C and D, you
can configure the card for 4-pole operation. In the 4-
pole mode, channels are paired together to form 20 4-
pole channels. See the Model 7011 Instruction Manual
for details.
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and
) to display the cor-
cursor key
Switch cards that have an additional pole mode capa-
bility are summarized as follows:
Pole Mode
Card
1-Pole
2-Pole
7011
N/A
40 channels
7056
20 channels
10 channels
7156
20 channels
10 channels
If you attempt to select an invalid pole mode, a settings
conflict error will occur and the entry will be ignored.
Changing the pole mode for a slot could cause chan-
nels to become unavailable. As can be seen from the
above table for the Model 7011 mux card, 20 channels
become unavailable when changing from 2-pole to 4-
pole operation. If one or more of those unavailable
channels were included in the Scan List and/or in a
Channel Pattern, then the entire Scan List and/or the
affected Channel Pattern will be lost (cleared). See
paragraph 4.5.2 and 4.5.5 for details.
Perform the following steps to display the #-OF-
POLES menu:
1. Display the CARD CONFIG MENU (see para-
graph 4.7, General rule #1).
2. Place the cursor on #-OF-POLES and press ENTER
to access the following menu:
SELECT # OF POLES
SLOT-1 SLOT-2
SLOT-1 Use this menu item to configure the pole
mode for the card in slot 1. Place the cursor on SLOT-1
and press ENTER. The pole mode selections will be
displayed. The cursor (flashing menu item) indicates
the currently selected pole mode.
# OF POLES SLOT-1
1-POLE 2-POLE 4-POLE
1. To retain the displayed pole mode, press ENTER or
EXIT. The instrument will return to the SELECT #
OF POLES menu.
2. To change the displayed pole mode, place the cur-
sor on the desired selection and press ENTER. The
instrument will return to the SELECT # OF POLES
menu.
Front Panel Operation
4-Pole
20 channels
N/A
N/A
4-31
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