Acoustic Noise for EX4400 Switches
Table 1 lists the typical acoustic noise measurements for EX4400 switch models taken from the front of the chassis at 23° C, in compliance with ISO 7779.
Switch Model |
Power Supply or Power Supplies Installed |
Typical Acoustic Noisein dB(A) |
---|---|---|
EX4400-24T |
One 550-W AC power supply with front-to-back airflow |
42.7 |
One 550-W AC power supply with back-to-front airflow |
46.08 |
|
One 550-W DC power supply with front-to-back airflow |
42.59 |
|
One 550-W DC power supply with back-to-front airflow |
46.19 |
|
Two 550-W AC power supplies with front-to-back airflow |
41.68 |
|
Two 550-W AC power supplies with back-to-front airflow |
46.03 |
|
Two 550-W DC power supplies with front-to-back airflow |
42.54 |
|
Two 550-W DC power supplies with back-to-front airflow |
46.54 |
|
EX4400-24P |
One 1050-W AC power supply with front-to-back airflow |
44.45 |
Two 1050-W AC power supplies with front-to-back airflow |
44.23 |
|
One 1600-W AC power supply with front-to-back airflow |
48.8 |
|
Two 1600-W AC power supplies with front-to-back airflow |
48.1 |
|
EX4400-24MP |
One 1050-W AC power supply with front-to-back airflow |
46.11 |
Two 1050-W AC power supplies with front-to-back airflow |
46.43 |
|
One 1600-W AC power supply with front-to-back airflow |
48.71 |
|
Two 1600-W AC power supplies with front-to-back airflow |
47.68 |
|
EX4400-24X |
One 550-W AC power supply with front-to-back airflow |
42.71 |
One 550-W AC power supply with back-to-front airflow |
45.79 |
|
One 550-W DC power supply with front-to-back airflow |
43.32 |
|
One 550-W DC power supply with back-to-front airflow |
46.62 |
|
Two 550-W AC power supplies with front-to-back airflow |
42.24 |
|
Two 550-W AC power supplies with back-to-front airflow |
46.18 |
|
Two 550-W DC power supplies with front-to-back airflow |
42.86 |
|
Two 550-W DC power supplies with back-to-front airflow |
47.39 |
|
EX4400-48T |
One 550-W AC power supply with front-to-back airflow |
42.32 |
One 550-W AC power supply with back-to-front airflow |
44.78 |
|
One 550-W DC power supply with front-to-back airflow |
42.72 |
|
One 550-W DC power supply with back-to-front airflow |
44.6 |
|
Two 550-W AC power supplies with front-to-back airflow |
42.87 |
|
Two 550-W AC power supplies with back-to-front airflow |
44.64 |
|
Two 550-W DC power supplies with front-to-back airflow |
42.73 |
|
Two 550-W DC power supplies with back-to-front airflow |
44.72 |
|
EX4400-48P |
One 1600-W AC power supply with front-to-back airflow |
44.78 |
Two 1600-W AC power supplies with front-to-back airflow |
44.68 |
|
EX4400-48MP |
One 1600-W AC power supply with front-to-back airflow |
44.16 |
Two 1600-W AC power supplies with front-to-back airflow |
44.5 |
|
EX4400-48F |
One 550-W AC power supply with front-to-back airflow |
43.23 |
One 550-W AC power supply with back-to-front airflow |
44.91 |
|
One 550-W DC power supply with front-to-back airflow |
43.71 |
|
One 550-W DC power supply with back-to-front airflow |
44.93 |
|
Two 550-W AC power supplies with front-to-back airflow |
43.35 |
|
Two 550-W AC power supplies with back-to-front airflow |
44.79 |
|
Two 550-W DC power supplies with front-to-back airflow |
43.69 |
|
Two 550-W DC power supplies with back-to-front airflow |
44.61 |