DC Power Circuit Breaker Requirements for the SRX5800 Services Gateway
If you plan to operate a maximally configured DC-powered services gateway with standard-capacity power
supplies, we recommend that you provision at least 116 A (58 A per feed) @ –48 VDC (nominal) for the
system. Use a customer site 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 maximally configured DC-powered services gateway with high-capacity power
supplies, we recommend that you provision at least 208 A (104 A per supply) @ –48 VDC (nominal) for
the system. This is maximum current draw at –48 VDC when two power supplies are providing the power
to the system and the redundant power supplies are not supplying power or not present. Use a customer
site 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 services gateway 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.
DC Power Source Cabling for the SRX5800 Services Gateway
shows a typical DC source cabling arrangement.
Figure 22: Typical DC Source Cabling to the Services Gateway
The DC power supplies in slots PEM0 and PEM1 must be powered by dedicated power feeds derived
from feed A, and the DC power supplies in slots PEM2 and PEM3 must be powered by dedicated power
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Summary of Contents for SRX 5800
Page 1: ...SRX5800 Services Gateway Hardware Guide Published 2020 02 10 ...
Page 23: ......
Page 30: ...Figure 2 Rear View of a Fully Configured AC Powered Services Gateway Chassis 31 ...
Page 111: ...LEDs 112 ...
Page 121: ...Port and Interface Numbering 122 ...
Page 127: ...Port and Interface Numbering 128 ...
Page 161: ......
Page 179: ... One SRX5K MPC IOC2 Modular Port Concentrator with two Modular Interface Cards MICs 180 ...
Page 180: ... One SRX5K 40GE SFP I O card IOC 181 ...
Page 205: ......
Page 261: ......
Page 324: ...c Upload the configuration to RE2 from the USB device 325 ...
Page 365: ...Figure 143 Installing an SPC 366 ...
Page 367: ...368 ...
Page 422: ...5 CHAPTER Troubleshooting Hardware Troubleshooting the SRX5800 425 ...
Page 423: ......
Page 457: ......
Page 473: ...475 ...
Page 476: ...Restricted Access Area Warning 478 ...
Page 483: ...485 ...
Page 496: ...Jewelry Removal Warning 498 ...
Page 499: ...Operating Temperature Warning 501 ...
Page 509: ...DC Power Disconnection Warning 511 ...
Page 513: ...DC Power Wiring Sequence Warning 515 ...
Page 516: ...DC Power Wiring Terminations Warning 518 ...
Page 519: ...DC Power Disconnection Warning 521 ...
Page 523: ...DC Power Wiring Sequence Warning 525 ...