Delta Tau COMPACT UMAC 用户手册
UMAC-CPCI Turbo CPU Board Hardware Reference Manual
JUMPER DESCRIPTIONS
Note:
Pin 1 of an E-point is masked by an X and a bold square in white ink on the composite
side, and by a square solder pad on the solder side.
side, and by a square solder pad on the solder side.
E0: Reset-Lock Enable (Factory Use Only)
E Point and
Physical Layout
Location Description
Default
Jump pins 1 and 2 to lock the Compact UMAC Turbo CPU board
in the reset state to permit installation of on-board logic. This
setting for factory use only.
Remove jumper to permit normal operation of board.
in the reset state to permit installation of on-board logic. This
setting for factory use only.
Remove jumper to permit normal operation of board.
No jumper installed
E1A: Servo and Phase Clock Direction Control
E Point and
Physical Layout
Location Description
Default
Jump pins 1 and 2 or remove jumper for the Compact UMAC
system to use its internally generated servo and phase clock
signals and to output these signals on the field wiring connector
on the CPU board. E1B should connect pins 2 and 3 or be
removed.
Jump pins 2 and 3 for the Compact UMAC system to expect to
receive its servo and phase clock signals on J2 field-wiring
connector on the Turbo CPU board. E1B should also connect
pins 1 and 2.
system to use its internally generated servo and phase clock
signals and to output these signals on the field wiring connector
on the CPU board. E1B should connect pins 2 and 3 or be
removed.
Jump pins 2 and 3 for the Compact UMAC system to expect to
receive its servo and phase clock signals on J2 field-wiring
connector on the Turbo CPU board. E1B should also connect
pins 1 and 2.
Pins 1-2 jumpered
E1B: Servo/Phase Clock Source Control
E Point and
Physical Layout
Location Description
Default
Jump pin 1 to 2 to get phase and servo clocks from J7 RS422
connector (from an external source such as another UMAC).
Jump pin 2 to 3 to get phase and servo clocks from J1 backplane
connector (from an Acc-24C2x, or equivalent board).
Remove jumper to get phase and servo clocks from J2 Stack
connector (from an Acc-2E or equivalent board)
connector (from an external source such as another UMAC).
Jump pin 2 to 3 to get phase and servo clocks from J1 backplane
connector (from an Acc-24C2x, or equivalent board).
Remove jumper to get phase and servo clocks from J2 Stack
connector (from an Acc-2E or equivalent board)
Pins 2 – 3 jumpered
E2: (Reserved for Future Use)
E Point and
Physical Layout
Location Description
Default
No jumper installed
Jumper Descriptions
11