1269 User Manual
Operating The 1269 3-8
Table 3-4, J413 EMS TTL Trigger Connector
Pin
Signal
Description
1
TRIG IN
TTL level input signal which is routed to any one of the
eight TTLTRIG lines on the VXI backplane, with or
without a programmable delay applied.
2
TRIG OUT
TTL output signal which is routed from any one of the
eight TTLTRIG lines on the VXI backplane, with or
without a programmable delay applied.
6,7,8
GND
Logic Ground
3-5,9
RSV
Reserved
Table 3-5, J414 EMS Rear Panel Monitor
Pin
Signal
Description
1
+5V
+5V for powering external user circuitry, etc. (1 A
max.)
2
+12V
+12V for powering external user circuitry, etc. (1 A
max.)
3
+24V
+24V for powering external user circuitry etc. (1 A
max.)
4
T
max
Output signal proportional to the maximum absolute
temperature of the 13 modules (100 mV/
o
C, 0 V
corresponds to 0
o
C)
5
ª
T
Output signal proportional to the maximum absolute
temperature rise (w/ respect to internal ambient
sensor) of the 13 modules (100 mV
o
C, 0 V
corresponds to 0
o
C)
6
TACH1
TTL output proportional to the speed of Fan 1 (2
pulses/ revolution)
7
RSV
Reserved
8
RSV
Reserved
9-11
GND
Logic Ground
12-15
RSV
Reserved
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