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breaker rated according to National Electrical Code and customer site internal standards to maintain proper
level of protection for the current specified above.
If you plan to operate a DC-powered router at less than the maximum configuration, we recommend that
you provision a circuit breaker according to respective National Electrical Code and customer-site internal
standards to maintain proper level of protection for the current specified above or each DC power supply
rated for at least 125% of the continuous current that the system draws at –48 VDC.
SEE ALSO
MX2008 Power System Description | 58
MX2008 DC Power Distribution Module (-48 V) Description | 96
MX2008 DC Power Supply Module (-48 V) Description | 100
Replacing an MX2000 DC Power Distribution Module (-48 V)
Replacing an MX2008 DC Power Supply Module (-48 V) | 465
DC Power (240 V China) Circuit Breaker Requirements for the MX2000
Router
For PDMs, if you plan to operate a maximally configured DC-powered router, we recommend that you
provision at least 20 A @ 240 VDC (nominal) for each DC input to the system. Use a customer site 2 pole
circuit breaker rated according to respective National Electrical Code and customer site internal standards
to maintain proper level of protection for the current specified above.
If you plan to operate a DC-powered router at less than the maximum configuration, we recommend that
you provision a 2 pole circuit breaker according to respective National Electrical Code and customer site
internal standards to maintain proper level of protection for the current specified above or each DC power
supply rated for at least 125% of the continuous current that the system draws at 240 VDC.
DC Power Cable Specifications for the MX2008 Router
NOTE:
The MX2008, MX2010, and MX2020 routers support the same power modules (AC/DC
PSMs and AC/DC PDMs).
120
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