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Issue 6
Anything
bridged on
system CO
line?
No
Move suspected bad line to
good COI(8)-U( ) ETU port.
Move good line to original
COI(8)-U( )ETU port.
Port
Problem port
or line?
Reset/replace
COI(8)-U( ), and
test again.
Yes
Problem
solved?
No
1. Perform Second Initialization, and test.
2. Perform First Initialization, and test with
default program.
3. Replace B48-U10 KSU.
10 - 20
No
Yes
Remove it.
Line
Check line with dB
meter and/or contact
Telco.
Done.
F1
Low Volume Problems
Yes
All lines?
Run a dB level test at DMARK
on lines with 1 kHz test tone.
At least -8dB at MDF is required.
Yes
Less than
-8 dB?
No
Replace COI(8)-U( ) ETU.
No
Yes
All stations?
Replace Multiline
Terminal/ SLT.
Report Problem
to Telco.
System Maintenance
Electra Elite
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