Nortel Meridian 1 Planning, Installation And Operating Instructions page 112

Chapter 11 – Installing the power supply
Figure 20
NTMW11 power cable connection
Commercial AC power connection
7 Test the ground of each system cabinet using the following
procedure.
a Set the circuit breakers feeding the AC outlet used to power the
cabinet to OFF.
b Connect the power line cord to the NTMW11 main cabinet power
supply.
c Using an ohmmeter, measure the resistance from the ground pin on
the line cord to the ground receptacle on the AC outlet.
The resistance must be less than 0.25 ¾.
If the cabinets are powered from different service panels, the ground
must be traced back to the panel serving the cabinet.
d Reset the circuit breaker once the ground connection is verified.
—————————— End of Procedure ——————————
Option 11C Compact Planning, Installation, Fault Clearing and CCBR Guide
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