Agilent Technologies Agilent E5250A User Manual page 64

Executing Self-Test and Leak Test
Using the Self-Test Utility
Executing the Relay Test
To execute the Relay Test, do the following:
1. Press the CARDn RELAY softkey (n=1 to 4). The following message is
displayed on the 4155/4156 screen depending on card:
• Message for the E5252A:
Attach the relay test adapter on input terminal and
open all output of slot n.
• Message for the E5255A:
Attach the relay test adapter and the BNC short cap to
E5250A/E5255A input. And open all output of slot n.
Where, n=1 to 4.
And the following softkeys are displayed.
Softkey
CONTINUE
CANCEL
2. Disconnect all cables from the E5250A input terminals. And attach the Relay
Test Adapter to the E5250A input terminals. For each E5255A card, connect a
BNC short cap to each E5255A BIAS INPUT port.
3. Open all outputs of the plug-in cards as follows:
If cable is connected to output connector of plug-in card, open output at DUT
end of cable. If end of cable is Kelvin connection, disconnect the cable or make
non-Kelvin connection at end of cable.
4. Press the CONTINUE softkey to execute the Relay Test.
Or press the CANCEL softkey to cancel test execution.
5. Repeat steps 1 to 4 for the each card you want to test.
If [F] result is displayed after executing the Relay Test, the card is defective.
Contact your nearest Agilent Technologies Service Center.
3-14
Description
Executes the Relay Test for the card immediately.
Cancels the Relay Test execution.
Agilent E5250A User's Guide, Edition 11