The SLX 9740-40C, 9740-40C base switch includes two unpopulated power supply slots and six unpopulated fan slots. Fan modules and power supply modules must be ordered separately.
SLX 9740-40C-AC-F
The SLX9740-40C-AC-F switch includes two internal AC power supplies and six fan modules. Airflow for both the fan modules and the powers supply modules is front-to-back.
SLX 9740-40C-AC-R
The SLX9740-40C-AC-R switch includes two internal AC power supplies and six fan modules. Airflow for both the fan modules and the powers supply modules is back-to-front.
SLX 9740-40C-DC-F
The SLX9740-40C-DC-F switch includes two internal AC power supplies and six fan modules. Airflow for both the fan modules and the powers supply modules is front-to-back.
SLX 9740-40C-DC-R
The SLX9740-40C-DC-R switch includes two internal AC power supplies and six fan modules. Airflow for both the fan modules and the powers supply modules is back-to-front.
The front panel of the switch includes:
1 = System status LEDs
2 = 100GE/40GE QSFP28 ports
3 = 10/100/1000BASE-T RJ45 out-of-band management port