1260-00C User Manual
Operation 3-23
Jumper/Switch
Position
Function
Switches S9 and S15
See Table 3-15.
CLK10 routing options.
Switch S22
ON
VXI BTO enabled.
Switch S23
ON
Bus arbiter and SYSCLK
enabled. CLK10 sourcing
backplane.
Switch S24
ON
MODID pulled up
Logical Address
See Chapter 5.
Logical address is not equal
to 0. Set in non-volatile
configuration.
Slot 0 Model Code
See Chapter 5.
Model code is set to the Slot 0
value. Set in non-volatile
configuration.
Servant Area Size
See Chapter 5.
Set appropriate Servant area
size. Set in non-volatile
configuration .
Table 3-15, CLK10 Routing Options
Switch S14
Switch S17
Function
OFF
OFF
CLK10 sourced from onboard clock.
OFF
ON
CLK10 and EXT CLK connector sourced from
onboard clock.
ON
OFF
CLK10 sourced from an external clock via the
EXT CLK connector.
ON
ON
Invalid. Do not use this setting.
Slot 0 Message-Based
Device Operation
At start-up, a 1260-00C configured as a Slot 0 Message-Based
device performs its self-tests. It then waits until it receives its
Device Grant (if any) and Begin Normal Operation Word Serial
commands. The RM grants any logical addresses to the
1260-00C that reside within its Servant area. When the 1260-00C
responds to the Begin Normal Operation command, it enters the
normal mode of operation.
After the 1260-00C Passed bit is set, the RM can manipulate or
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