Nortel DMS-100 Series Maintenance Manual page 672

13-24 Routine maintenance procedures
Ground check
OPAC
(continued)
Summary of ground check
Check system
grounds
Y
Are grounds
defective?
N
Measure ground
resistance
297-8211-550 Standard 05.01 August 1999
Contact the next
level of
maintenance
N
Y
Is resistance
25 Ω?
This flowchart summarizes the
procedure.
Use the instructions in the
procedure that follows this
flowchart to perform the
procedure.
End of
procedure