Power Specifications

Three 1600 W power supply units are available for use with SLX 9740 switches:

Power Supply Options

SLX 9740 Switch

1600 W AC power supply:

  • Part # XN-ACPWR-1600W-F (front-to-back):
  • AC Input: 100-120/200-240 VAC, 50/60 Hz
  • Part # XN-ACPWR-1600W-R (back-to-front):
  • AC Input: 200-240 VAC, 50/60 Hz
  • 7A max. for PSU FSG059 for each PSU for SLX9740-40C
  • 4A max. for PSU FSG059 and FSE023 for each PSU for SLX9740-40C; for SLX9740-80C, min. 2 PSUs provided.
  • PSU Input Socket: IEC 320 C14
  • Power cord input plug: IEC 320 C13

1600 W DC power supply:

  • Part # XN-DCPWR-1600W-F (front-to-back)
  • DC Input: +/- 48VDC 15A Max (for PSU FSK010) for each PSU for SLX9740-40C
  • +/- 48VDC 15A Max (for PSU FSK010) for each PSU, min. x2 for SLX9740-80C

Maximum Power and Heat Dissipation

SLX 9740-80C

(Fans high, all ports

100% traffic, 4 PSU)

SLX 9740-40C

(Fans high, all ports

100% traffic, 2 PSU)

Maximum Heat Dissipation6592.26 BTU/hr3524.74 BTU/hr
Maximum Power Dissipation1932W1033W

1600 W Power Supplies Technical Specifications

Table 1. Power Specifications (AC Power Supplies)
Voltage input range
  • 90 to 264 V ~
Nominal input ratings
  • For FSG059: AC 100-120V ~, 50/60Hz, 13A max.; 200-240V ~, 50/60Hz, 10A max.
  • For FSE023: 200-240V ~, 50/60Hz, 10A max.
Nominal input current at full loads
  • 10 A at 90 V ~ (low-line)
  • 3.7 A at 230 V ~ (high-line)
Line frequency range
  • 47 to 63 Hz
Maximum inrush current
  • 35 A
Output
  • For FSG059: +12V/133A (for input 200-240VAC or 240VDC), +12V/83A (for input 100-120VAC), +12Vsb/2.5A.
  • Total output power not to exceed 1600W (200-240VAC or 240Vdc).
  • Total output power not to exceed 1000W (100-120VAC).
  • For FSG023: +12V/133A, +12Vsb/2.5A.
  • Total output power not to exceed 1600W.
Efficiency
  • Low Line: 88% at 50% load and 86% at 100% load
  • High Line: 90% at 50% and 100% loads
Table 2. Power Specifications (DC Power Supplies)
Nominal input -48 to -60 VDC
DC Voltage input range+/-39VDC to +/-72VDC, 15A max.
Inrush Current 21 A peak
DC Output+12.2V/131A, +12Vsb/2.5A
Power (W)1600 W
Table 3. Power Supply Environmental Specifications
Operating temperature (front- to-back airflow)0°C to 45°C (normal operation)
Operating temperature (back- to-front airflow)0°C to 45°C (normal operation)
Storage temperature-40°C to 70°C
Operating humidity5% to 95% relative humidity, non-condensing
Operational shock 30 m/s2 (3 G)