Troubleshooting
Introduction
A
Did power
meter channelsNo zero?
Yes
Apply TTL logic 1 level to RJ45 connector. pin 5 wrt pin 8. Apply TTL logic 0 pulse to RJ45 connector pin 6 wrt pin 8. See User’s Guide chapter 2 for timing.
Did Channel A |
| No |
| ||
CAL? |
|
|
Yes
Is the
Singlemeter single or dual channel?
Dual
Apply TTL logic 1 level to Rmt I/O connector pin 5 wrt pin 8.
Apply TTL logic 0 pulse to Rmt I/O connector pin 6 wrt pin 8.
See User’s Guide chapter 2 for timing.
Did Channel B |
| No |
| ||
CAL? |
|
|
Yes
No fault found with Channel A Input Zero/CAL |
| No fault found with Channel B TTL Input selection. | |||
selection. Check user application/implementation. |
| Check user application/implementation. | |||
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End
B
Agilent E4418B/E4419B Service Guide |
