Getting Started
1–22
VX1411 MainFrame Instruction Manual
Functional Check
Use the information in this section to determine that the VX1411 Mainframe
operates properly. The functional check consists of checking the power supply
voltages from the extender card with a digital voltmeter.
Connect one lead of the voltmeter to the extender card pins inserted into slot 0 of
the mainframe. Connect the reference lead of the voltmeter to one of the ground
pins. Compare each voltage reading to the values listed in Table 1–4.
Table 1–4: Power supply voltages P1 and P2 of the extender card
Pin
Supply
Acceptable voltage range
P1 – A32
+5 V
4.875 V to 5.25 V
P1 – A31
–12 V
–12.6 V to –11.64 V
P2 – C32
–24 V
–25.2 V to –23.28 V
P2 – A2
–2 V
–2.1 V to –1.9 V
P1 – C31
+12 V
11.64 V to 12.6 V
P2 – C31
+24 V
23.28 V to 25.2 V
P2 – C4
–5.2 V
–5.46 V to –5.044 V
P2 – A31 or B31
Logic Ground
If the voltages are within the specified ranges, your mainframe is functional.
NOTE
. Operators may perform exterior surface and fan filter cleaning as
described in the Maintenance chapter.
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