Installation Guide

Table 136: Fan and Acoustic Noise
Switch Model Bystander Sound Pressure Declared Sound Power
(L
WAd
)
X460-G2-24t-GE4
X460-G2-24t-10GE4
Dual 300 W AC or DC power supply with front-to-back
(FB) airflow
49.1 dB(A), 0°C to 45°C
54.9 dB(A), 50°C
6.0 bels, 0°C to 45°C
6.6 bels, 50°C
X460-G2-24t-GE4
X460-G2-24t-10GE4
Dual 300 W AC or DC power supply with back-to-front
(BF) airflow
48.9 dB(A), 0°C to 35°C
59.5 dB(A), 45°C
65.5 dB(A), 50°C
5.9 bels, 0°C to 35°C
7.2 bels, 45°C
7.8 bels, 50°C
X460-G2-24x-10GE4
Dual 300 W AC or DC power supply with front-to-back
(FB) airflow
48.8 dB(A), 0°C to 45°C
61.9 dB(A), 50°C
6.0 bels, 0°C to 45°C
7.5 bels, 50°C
X460-G2-24x-10GE4
Dual 300 W AC or DC power supply with back-to-front
(BF) airflow
48.8 dB(A), 0°C to 35°C
58.7 dB(A), 45°C
66.7 dB(A), 50°C
6.0 bels, 0°C to 35°C
6.9 bels, 45°C
7.8 bels, 50°C
X460-G2-24p-GE4
X460-G2-24p-10GE4
Dual 715 W or 1100 W AC power supply with front-to-
back (FB) airflow
52.2 dB(A), 0°C to 45°C
61.8 dB(A), 50°C
7.3 bels, 0°C to 45°C
7.4 bels, 50°C
X460-G2-24p-GE4
X460-G2-24p-10GE4
Dual 715 W or 1100 W AC power supply with back-to-
front-to-back (BF) airflow
50.8 dB(A), 0°C to 35°C
69.8 dB(A), 50°C
7.3 bels, 0°C to 35°C
8.1 bels, 50°C
X460-G2-48t-GE4
X460-G2-48t-10GE4
X460-G2-24t-24ht-10GE4
Dual 300 W AC or DC power supply with front-to-back
(FB) airflow
47.6 dB(A), 0°C to 45°C
64.5 dB(A), 50°C
5.9 bels, 0°C to 45°C
7.7 bels, 50°C
X460-G2-48t-GE4
X460-G2-48t-10GE4
X460-G2-24t-24ht-10GE4
Dual 300 W AC or DC power supply with back-to-front
(BF) airflow
47.7 dB(A), 0°C to 35°C
58.7 dB(A), 45°C
65.3 dB(A), 50°C
5.9 bels, 0°C to 35°C
7.2 bels, 45°C
7.8 bels, 50°C
X460-G2-48x-10GE4
Dual 300 W AC or DC power supply with front-to-back
(FB) airflow
48.9 dB(A), 0°C to 45°C
60.5 dB(A), 50°C
6.0 bels, 0°C to 45°C
7.4 bels, 50°C
X460-G2-48x-10GE4
Dual 300 W AC or DC power supply with back-to-front
(BF) airflow
48.8 dB(A), 0°C to 35°C
57.5 dB(A), 45°C
66.1 dB(A), 50°C
6.0 bels, 0°C to 35°C
6.9 bels, 45°C
7.8 bels, 50°C
10
Bystander Sound pressure is presented for comparison to other products measured using Bystander Sound Pressure.
11
Declared Sound Power is presented in accordance with ISO 7779:2010(E), ISO 9296:2010 per ETSI/EN 300
753:2012-01.
Technical Specifications
ExtremeSwitching and Summit Switches: Hardware Installation Guide 335