Hologic QDR 4500 Technical Manual page 24

Table 2-1. Communications Controller Board/Distribution Board
Interconnection Descriptions
Signal Pair Description
Asynchronous data to the Scanner.
ATD+
ATD-
STD+ Synchronous data to the Scanner.
STD-
Synchronous data clock from Communications Controller
STCLK+
board to Distribution board. Synchronizes data to the
STCLK-
Scanner.
STFRM+ Synchronous data frame from Communications Controller
STFRM- board to Distribution board.
ARD+ Asynchronous Data from the Scanner.
ARD-
SRD+ Synchronous Data from the Scanner.
SRD-
SRCLK+ Synchronous data clock from Communications Controller
SRCLK- board to Distribution board. Synchronizes data from the
Scanner.
SRFRM+ Synchronous data frame from Distribution board to
SRFRM- Communications Controller board.
EMERGENCY_IN+ Signals an emergency condition. Generated by the C-Arm
EMERGENCY_IN- Interface board.
ZEROX+ AC line zero-crossing signal used for system wide
ZEROX- synchronization. Generated by the C-Arm Interface board.
INTEGRATE+ Synchronous signal for Detector Integrate period.
INTERGATE- Generated by the C-Arm Interface board.
SYSRESET+ Resets the Scanner controllers.
SYSRESET-
EMERGENCY+ Removes power from the Scanner's motor drivers and the
EMERGENCY- X-ray system
Note: 1. CC
2. Dist
2-2
®
QDR 4500 Technical Manual
= Communications Controller board.
= Distribution board.
1
2
CC Pin
Dist Pin
JP1-2 JP10-3
JP1-27 JP10-4
JP1-28 JP10-6
JP1-4 JP10-7
JP1-5 JP10-9
JP1-30 JP10-10
JP1-31 JP10-12
JP1-7 JP10-13
JP1-8 JP10-15
JJP1-33 JP10-16
JP1-34 JP10-18
JP1-10 JP10-19
JP1-11 JP10-21
JP1-36 JP10-22
JP1-37 JP10-24
JP1-13 JP10-25
JP1-14 JP10-27
JP1-39 JP10-28
JP1-40 JP10-30
JP1-16 JP10-31
JP1-17 JP10-33
JP1-42 JP10-34
JP1-20 JP10-39
JP1-45 JP10-40
JP1-49 JP10-48
JP1-25 JP10-49