Table of Contents
Advertisement
Page 496 of 532
Figure 121
Engineer a telephone line (Part 2 of 8)
[ 5 ]
Is the loop
length less than
2.1 kft?
Yes
[ 9 ]
Is the PBX at
the central
office?
No
Go to
Step 15
553-3001-367
Standard 1.00
[ 6 ]
Is there any
No
26 AWG cable in
the loop?
[ 7 ]
Yes
Calculate the loop
resistance.
(Procedure 3)
[ 8 ]
Is the resistance
less than
175 ohm?
Yes
Step 9
[ 10 ]
Does the loop
Yes
pass the loop
diagnostic test?
(Procedure 4)
Yes
Go to
Step 12
October 2003
No
Go to
Step 9
No
No
Go to
Step 1
[ 11 ]
Repair the problem.
No
Go to
Step 12
553-AAA0651
Advertisement
Table of Contents
