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Operations Interfaces
Issue 1 December 1997 6-11
UPD/INIT Pushbutton 6
This pushbutton is used to initialize a controller when it is first installed in a shelf,
to update the system's internal equipment inventory when signals or equipment
are removed from the shelf, and when circuit pack options are changed. The
system automatically detects new equipment or signals added to the shelf. In
these cases, it is not necessary to push the UPD/INIT pushbutton.
An optical switch on the BBG8/BBG8B SYSCTL circuit pack latch causes a
suspension of controller operations and an “F” to be displayed on the controller
panel display when the latch is pulled. Closing the latch causes a controller reset.
Pushbutton Combinations 6
The three pushbuttons described previously are used in combinations to perform
seven functions. Table 6-2 lists the functions. These functions are used as part of
the procedures described in the TOP section of this manual (Volume II).
Table 6-2. DDM-2000 OC-12 Pushbutton Combinations
Function
Pushbutton
ACO/TST UPD/INIT FE SEL
1. Update Press
2. SYSCTL Initialization ∗ Press
3. Remove SYSCTL † Press Press
4. Software version Hold
5. LED test Hold
6. Alarm cutoff Press
7. Software download † Hold Hold
∗ Used after a SYSCTL is replaced. Press pushbutton during the 10-second
interval that the CR LED on the user panel is flashing.
† See TOP section of this manual (Volume II) for detailed procedures.
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