Issue 6
Electra Elite
10 - 18
System Maintenance
E2
Ringing Problem on SLT
Replace SLT.
Problem
Solved?
Yes
SLT defective.
No
Check to see if ringing
problem is intermittent.
Intermittent
Problem?
No
Check to see if SLT
is call forwarded.
Yes
No
Yes
Call
Forward?
Cancel call
Forwarding.
Check SLI(4)/(8)-U( ) ETU
for ring voltage output with
AC.
Check BLF indication
for station.
RSG Test?
Pass
Fail
Replace SLI(4)/(8)-U( )ETU.
Busy
BLF
Indication?
Idle
Terminate SLT on MDF.
BLF
Indication?
Idle
Busy
Check MDF
connection.
1. Reset/replace SLI(4)/(8)-U( ) ETU, and test.
2. Perform Second Initialization, and test; then
perform First Initialization and test.
3. Replace B48-U10 KSU, and test
using default program.
Check or
replace
station cable.
Summary of Contents for ElectraElite 48
Page 2: ...SYSTEM HARDWARE MANUAL Stock Number 750376 Issue 6 Series 8000 48 ...
Page 3: ......
Page 5: ......
Page 9: ...THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 10: ...Regulatory Information ...
Page 11: ......
Page 51: ...Issue 6 Electra Elite xxxii List of Figures THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 56: ...1st Tab Chapter 1 Introduction ...
Page 57: ......
Page 78: ...2nd Tab Chapter 2 System Specifications ...
Page 79: ......
Page 102: ...3rd Tab Chapter 3 Hardware Requirements ...
Page 103: ......
Page 110: ...4th Tab Chapter 4 Installing the KSU ...
Page 111: ......
Page 135: ...Issue 6 Electra Elite 4 24 Installing the KSU THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 136: ...5th Tab Chapter 5 Installing Electronic Telephone Units ...
Page 137: ......
Page 256: ...6th Tab Chapter 6 Installing Electra Elite Multiline Terminals ...
Page 257: ......
Page 290: ...7th Tab Chapter 7 Installing Optional Equipment ...
Page 291: ......
Page 344: ...8th Tab Chapter 8 Installing Dterm Series i Equipment ...
Page 345: ......
Page 358: ...Electra Elite Issue 6 System Hardware Manual 8 13 Figure 8 15 Removing the Line Panel ...
Page 396: ...9th Tab Chapter 9 Installing Electra Professional Equipment ...
Page 397: ......
Page 404: ...10th Tab Chapter 10 System Maintenance ...
Page 405: ......
Page 428: ...11th Tab Appendices ...
Page 429: ......
Page 433: ...Issue 6 Electra Elite A 4 Glossary of Abbreviations THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 434: ...SYSTEM HARDWARE MANUAL NEC America Inc Issue 6 Series 8000 48 ...
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