Nortel DMS-100 Series Maintenance Manual page 673

Ground check
At your Current Location
1 Check system grounds.
If grounds
are in good condition
are damaged
2 Use local approved methods to measure ground resistance. The resistance for
each ground must be
If the resistance is
25 Ω
25 Ω
not
3 For additional help, contact the next level of support.
4 The procedure is complete.
DMS-100 Family OPAC Maintenance Manual XPM12 and up
Routine maintenance procedures 13-25
Do
step 2
step 3
25 Ω.
Do
step 4
step 3
Ground check Ground check
OPAC OPAC
(continued) (end)