Electra Elite
Issue 6
System Hardware Manual
9 - 9
Radio Frequency Interference (RFI)
Is interference only on outside calls
or anytime station is off-hook?
RFI Event?
On CO calls only
Multiline Terminal off-Hook
No
Check cable for the
affected terminal(s).
Remove one CO line
at MDF and test using
standard SLT.
RFI on CO
Lines?
Yes
Yes
Yes
No
No
No
End.
End.
RFI Cleared?
RFI Cleared?
Inform
Telco.
Twisted
pair?
More than 1-pair
Twisted
Ground all unused
pairs at MDF.
Cable with 1-pair twisted
pair cable.
Follow the steps below, one at a time, and test after each step.
1. Place a 0.01 microfarad ceramic capacitor (0.001 microfarad for FM Interference)
across receiver and transmitter elements in the Multiline Terminal handset.
2. Add a 0.01 microfarad ceramic capacitor from one transmit lead to one receive
lead.
B1
Summary of Contents for Electra Elite 192
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Page 10: ...Regulatory Information ...
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Page 74: ...Issue 6 Electra Elite 1 22 Introduction ...
Page 96: ...Issue 6 Electra Elite 2 22 System Specifications ...
Page 104: ...Issue 6 Electra Elite 3 8 Hardware Requirements THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 213: ...Electra Elite Issue 6 System Hardware Manual 5 67 Figure 5 39 FMS 8 U10 ETU ...
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Page 368: ...Issue 6 Electra Elite A 4 Glossary of Abbreviations THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 369: ...SYSTEM HARDWARE MANUAL NEC America Inc Issue 6 Series 6000 192 ...