Dc Power Requirements, Specifications, And Guidelines; Electrical Specifications For The Mx960 Dc Power Supply - Juniper MX960 Hardware Manual

CHAPTER 13
DC Power Requirements, Specifications, and
Guidelines
IN THIS CHAPTER

Electrical Specifications for the MX960 DC Power Supply | 225

Power Requirements for an MX960 Router | 227
Calculating Power Requirements for MX960 Routers | 237
DC Power Circuit Breaker Requirements for the MX960 Router | 241
DC Power Source Cabling for the MX960 Router | 242
DC Power Cable Specifications for the MX960 Router | 243
Electrical Specifications for the MX960 DC Power Supply
Table 97 on page 225 lists the DC power supply electrical specifications.
Table 97: Power Supply Electrical Specifications
Item
Normal-Capacity Power Supplies
Maximum output power
DC input current rating
Maximum input current
DC input voltage
Maximum DC inrush
current
Specification
2800 W
58 A @ –48 V nominal operating voltage
70 A
Operating range: –40 to –72 VDC
Nominal: –48 VDC
140.5 A for both feeds at nominal -48V
225