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11. Heat radiation data
When in use, all Cisco gateway units and radio transceivers generateheat
as a by-product of electrical activity.
Heat radiated by a Cisco device may be of concern in confined
locations such as server rooms (where the cumulative heat generated by
a collection of electrical and electronic devices may cause damage to
sensitive electronic components) and outdoor equipment enclosures (in
which electronic components may overheat if the enclosure is not properly
ventilated).
WARNING
The outer surfaces of some Cisco units may become hot
during normal operation. Such units have a 'Hot Surfaces'
warning triangle on their outer enclosures.
During normal operation, do not touch or handle such unit
enclosures without personal protective equipment.
The following table shows nominal heat-radiation figures for all Cisco
devices under idle conditions, and under full-load conditions.
All heat-radiation figures are given in British Thermal Units (BTU) per
hour.
Device
FM1000 Gateway
FM10000
Gateway (first and
second
generations)
FM Ponte kit
(model FM1200V-
HW)
FM1200 Volo
(model FM1200V-
HW)
All 3200-series
transceivers
(model FM3200)
FM3500 Endo
(model FM3500)
FM4200 Mobi
(model FM4200)
FM4200 Fiber
(model FM4200F)
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Fiber-
Idle @
optic
115 Vac /
230 Vac /
module
60 Hz
installed
25.590
33.780
271.595
267.159
6.479
6.138
6.479
6.138
10.230
10.230
9.889
9.889
10.230
10.230
No
12.617
12.617
Heat radiation data
Idle @
Full load
Full load
@ 115
@ 230
60 Hz
Vac / 60
Vac / 60
Hz
25.250
33.100
436.395
437.078
19.778
19.437
19.778
19.437
24.552
24.552
26.939
26.939
24.552
24.552
26.939
26.939
Page 175 of 189
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