Led's And Connectors For The Arbitrary Source Option - HP E1433A User Manual

LED's and Connectors for the Arbitrary Source Option

Status LEDs
q
Fail: This is the standard VXI "Failed" indicator. It lights briefly when powering
up and normally goes out after a few seconds. If it stays on it indicates a
hardware failure in the module.
q
Acs: This is the standard VXI "Access" indicator. When it is on, it indicates that
another device on the bus is contacting the module, for example to transfer data
or read registers.
q
Source: If this LED is lighted it indicates that the source is on and producing
output.
SMB Connectors
q
COLA: This is the output connector for the COLA (Constant Output Level
Amplifier) output.
This connector can also be configured as a Summer input. A signal connected to
this input is summed with the internal source output to create the final output.
q
Shut (Shutdown): Shorting the center pin of this connector to its shield causes
the source to ramp down and shut off.
q
Out: This is the main output of the Arbitrary Source.
The Out connector can also be configured to output a calibration signal. This is
not quite the same as the calibration signal described in chapter 5 because it
comes directly from the internal source without going through the other
circuitry of the calibration section.
Input Connectors (1 or 2)
These connectors are attached to the cables from an 8-Channel Input
(breakout box.) There are two input connectors for each 8-Channel Input.
They connect the input signal to the HP E1433A. Each connector carries
four channels. Depending on options, there can be 1 or 2 input connectors
(4 or 8 channels).
Updating the arbitrary source firmware
When updated firmware for the arbitrary source is available, you can update
the ROM in your module by using the procedure documented in
/usr/e1432/arbsrc/README.
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HP E1433A User's Guide
The Arbitrary Source Option
6-5