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SRX3400 Services Gateway DC Power Supply Electrical Specifications

Each DC power supply has a single DC input (–48 VDC and return) that requires a dedicated 40 A (–48 VDC) circuit breaker. Table 20 lists the DC power supply electrical specifications.

Table 20: DC Power Supply Electrical Specifications

Parameter

Specification

Maximum output power

850 W

DC input voltage

–40.5 to –72 VDC

DC input current rating

22.2 A @ –48 VDC

Each DC power supply faceplate displays a single LED to indicate the status of the power supply (see Table 21).

Table 21: DC Power Supply LED

Color

LED Status

Indicated Condition

Green

On steadily

+3V3SB is ON, +12 VOUT is ON

Blinking

+3V3SB is ON; +12 VOUT is OFF; DC is present

Push Power button to turn on.

Red

On steadily

FAN_FAULT, OTP, 3V3 OCP/UVP

Blinking

+12 V_OCP, +12 V_UVP, +12 V OVP

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