Inc. Active Module Carrier User's Manual
 15
3.2.2 ECL TRIGGERS 
The VX402C-64 supports two ECL Trigger lines: ECLTRG0-1.  Each trigger line may be set as 
an input or output trigger.  The trigger direction is set using switch S2 which can be seen in Figure 
7.  The trigger directions are clearly marked on the board itself. 
J1
J2
P1
P2
S2
FROM 
BACKPLANE
TO 
BACKPLANE
S2
ECL
TRG
ON 
ECL
TRG0
ECL
TRG1
1
Figure 7. ECL Trigger Direction 
3.3 CONNECTORS 
3.3.1 VXI REAR Connectors 
The  P1  and  P2  connectors  are  configured in accordance with the VXI specification and utilize 
the ECL and TTL trigger lines.  Pinout details for the rear connectors can be found in Appendix 
A. 
3.3.2 VME-64 FRONT CONNECTORS 
The VX402C-64 interfaces with the VME module through two 160 pin VME-64 connectors: J1 
and J2.  These connectors conform to VME and VXI specifications and can accept both 160 pin 
VME-64 (DIN 41 612 type C) and standard 96 pin VME/VXI connectors.  Pinout details for the 
front connectors can be found in Appendix A. 
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