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MX2000 Router DC (-48 V) Power Subsystem Electrical Specifications

Table 1 lists the DC power subsystem electrical specifications.

Table 1: DC (-48 V) PSM Electrical Specifications Per Input Configurations
Item	Specification
Maximum input current rating input voltage @ -40 VDC to -72 VDC	60 A (for 2100 W output) 73 A (for 2500 W output)
Maximum output power	2100 W @ 60 A 2500 W @ 73 A
Redundancy	N+1 PSM N+N feed redundancy
DC input voltage	-40 VDC to -72 VDC
DC nominal input current @ 48 VDC IN	49 A (for 2100 W output) 59 A (for 2500 W output)
Maximum DC output @ 52 VDC (upper and lower cage)	2500 W
DC standby output @ 5 VDC	30 W
Efficiency Note: This value is within load range 17-67% and nominal input voltage at 48 VDC.	91%

DC Power Supply Input Fuses

The DC (-48 V) PSM has a power supply input fuse in the negative terminals of both INP0 and INP1. Table 2 lists the electrical specification for this fuse.

Table 2: Electrical Specifications for the DC Power Supply Input Fuse
Electrical Characteristic	Value
Fuse	Littelfuse FUSE M P 80A 170VDC E, P/N TLS080LS
Voltage Rating	170 Vdc
Ampere Range	80 A
Interrupting Rating	100 kA
Approvals	UL Recognized (File: E71611)
Construction	Body: Glass melamine Caps: Silver-plated brass
Environmental	RoHS Compliant, Lead (Pb) Free