NETGEAR AV Series Hardware Installation Manual page 30

The following table describes the fan operation messages that the switch records in its
logs if a temperature threshold is exceeded and the action that occurs if a critical
temperature level is exceeded. (The temperatures in Fahrenheit are rounded down.)
Table 8. Fan operation messages recorded in the log and action if a critical temperature level is exceeded
Message and M4250-10G2F-PoE+
Action
Warning ≤ 113F (45C)
Critical ≤ 118F (48C)
Shutdown ≤ 127F (53C)
Temporary PoE is disabled.
shutdown
action
The fans are
placed in Cool
mode.
Note: A shutdown action does not shut down the switch but limits or blocks the
operation of the switch. Depending on the model, PoE is disabled or all traffic is blocked.
The fans are placed in Cool mode. To return the switch to normal operation, you must
restart the switch.
Hardware Overview
AV Line of Fully Managed Switches M4250 Series
M4250-10G2XF-PoE+
≤ 114F (46C)
≤ 120F (49C)
≤ 127F (53C)
PoE is disabled.
The fans are
placed in Cool
mode.
M4250-10G2XF-PoE++ M4250-12M2XF
≤ 140F (60C) ≤ 152F (67C)
≤ 145F (63C) ≤ 158F (70C)
≤ 156F (69C) ≤ 163F (73C)
PoE is disabled. All traffic is
blocked.
The fans are The fans are
placed in Cool placed in Cool
mode. mode.
30
M4250-16XF
≤ 167F (75C)
≤ 170F (77C)
≤ 176F (80C)
All traffic is
blocked.
The fans are
placed in Cool
mode.
Hardware Installation Guide