1269 User Manual
Specifications A-3
Table A-2, DC Output Power Continued
Characteristic
Description
Dynamic Current I
dm
Voltage
I
dm
Dynamic Current
+24
3.5
+12
2.0
+5
3.0
-2
1.6
-5.2
1.4
-12
1.6
-24
3.5
Auxiliary DC Outputs,
Fused-Self Healing
(EMS Option Only)
Voltage Current
+5 V 1 Amp
+12 V 1 Amp
+24 V 1 Amp
Protections
Over voltage protection
Over temperature protection
Over current protection
VXI Supply Rear Panel
DC Voltage Monitors
(J415 Connector)
Voltage Tolerance,
ªª
V
+24 V +1.2V, -720 mV
+12 V +600 mV, -360mV
+5V +250 mV, -125 mV
-2V -100 mV, +100 mV
-5.2 V -260 mV, +156 mV
-12 V -600 mV, +360 mV
-24 V -1.2 V, +720 mV
Table A-3, Cooling
Characteristic
Description
Per Slot Cooling Capacity
Typically 80 W per slot @ 0.35 mm H
2
0.
Figure A-1
shows the worst slot cooling curve
of the mainframe.
Cooling System
Forced air circulation (positive pressurization).
Slot Airflow Direction
P2 to P1, bottom of module to the top of module
Mainframe Intake, Bench Top
Bottom rear of mainframe
Mainframe Exhaust, Bench Top
Top of mainframe.
Mainframe Intake, Rack Mount
Rear of mainframe
Mainframe Exhaust, Rack Mount
Side of mainframe
Filter Access (Power Supply and Module
Fans)
Filter accessible from rear of the mainframe
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