Nortel Meridian 1 Succession 1000 Description page 501

Figure 121
Engineer a telephone line (Part 7 of 8)
[ 27 ]
Measure the DC loop
resistance.
(Procedure 8)
[ 28 ]
Is the loop
resistance less than
175 ohm?
[ 30 ] Yes
Measure loop insertion
loss at 256 kHz.
[ 31 ]
Is the insertion
loss less than
12.0 dB?
Yes
Go to
Step 32
Digital telephones line engineering
[ 29 ]
Install new cable.
No
End of
procedure
No
Go to
Step 35
Telephones and Consoles
Page 501 of 532
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Description