37 
(13) Serial label pull tab 
(14) Fan module 1 status LED 
 
The SN serial number and MAC address of the HPE 5901AF 48G 4XG 2QSFP+ Switch can be 
found on the serial label pull tab. 
HPE 5901AF 48G 4XG 2QSFP+ Switch comes with power supply slot 1 empty and power supply 
slot 2 installed with a filler panel. You can install one or two power supplies for the switch as required. 
In Figure 29, two PSR150-A1 (JD362B) AC power supplies are installed in the power supply slots.  
HPE 5901AF 48G 4XG 2QSFP+ Switch comes with the two fan module slots empty. You must install 
two fan modules  of the same model for the switch. In Figure 29, two JL838A  fan modules are 
installed in the fan module slots. 
Technical specifications 
Table 9 Technical specifications 
Dimensions (H × W × D)  43.6 × 440 × 360 mm (1.72 × 17.32 × 14.17 in) 
Weight  ≤ 7.5 kg (16.53 lb) 
Console ports 
•  1 × Mini USB console port 
•  1 × serial console port 
Only the Mini USB console port is available when you connect 
both ports. 
USB ports  1 
Management Ethernet ports  2 
QSFP+ ports  2 
SFP+ ports  4 
10/100/1000BASE-T autosensing 
Ethernet ports 
48 
Power supply slots  2, on the rear panel 
Fan module slots  2, on the rear panel 
Input voltage 
•  PSR150-A1 (JD362B) AC power supply: 
  Rated voltage range: 100 VAC to 240 VAC @ 50 Hz or 60 
Hz 
  Max voltage range: 90 VAC to 264 VAC @ 47 Hz to 63 Hz 
•  PSR150-D1 (JD366B) DC power supply: 
  Rated voltage range: –48 VDC to –60 VDC 
  Max voltage range: –36 VDC to –72 VDC 
NOTE: 
You can use the –48 VDC power source or an A-RPS800 or 
A-RPS1600 RPS as the DC power source: 
•  Rated voltage range: –48 VDC to –60 VDC 
•  Max voltage range: –36 VDC to –72 VDC