1 
Preparing for installation 
Table 1 HPE FlexFabric 5901 switch series, power supplies, and fan modules 
HPE FlexFabric 5901 switch series 
JL864A 
HPE FlexFabric 5901AF 48-Port 1GBASET 
4XG 2QSFP+ Switch 
HPE 5901AF 48G 4XG 2QSFP+ 
Switch 
JD362B 
HPE X361 150W 100-240VAC to 12VDC Power 
Supply 
PSR150-A1 
JD366B  HPE X361 150W DC Power Supply  PSR150-D1 
JL838A 
HPE FlexFabric 5944 Power to Port Airflow 
(Back to Front) Fan Module 
HPE 5944 FAN Module with Power to 
Port Airflow 
JL837A 
HPE FlexFabric 5944 Port to Power Airflow 
(Front to Back) Fan Module 
HPE 5944 FAN Module with Port to 
Power Airflow 
 
For regulatory identification purposes, the HPE 5901AF 48G 4XG 2QSFP+ Switch is assigned a 
regulatory model number (RMN), which is listed in the following table. This regulatory number should 
not be confused with the marketing name HPE FlexFabric 5901 or the product code. 
 
JL864A  BJNGA-AD0098 
HPE FlexFabric 5901AF 48-Port 1GBASET 4XG 2QSFP+ 
Switch 
 
Safety recommendations 
To avoid any equipment damage or bodily injury caused by improper use, read the following safety 
recommendations before installation. Note that the recommendations do not cover every possible 
hazardous condition. 
  Before cleaning the switch, remove all power cords from the switch. Do not clean the switch 
with wet cloth or liquid.  
  Do not place the switch near water or in a damp environment. Prevent water or moisture from 
entering the switch chassis.  
  Do not place the switch on an unstable case or desk. The switch might be severely damaged in 
case of a fall. 
  Ensure good ventilation of the equipment room and keep the air inlet and outlet vents of the 
switch free of obstruction.  
  Make sure the operating voltage is in the required range.