CommScope Era
™
Fiber Low Power Carrier Access Point Installation Guide
M0201ANC_uc
Page 22
© June 2019 CommScope, Inc.
Plan and Prepare for a Fiber CAP L Installation
Extended CAP L Temperature Operation
The passively cooled CAP L is rated for a maximum temperature of 40°C (104°F). This temperature range
guarantees maximum service life under worst-case load conditions. If necessary, however, it can be operated
safely at higher temperatures without exceeding the maximum temperatures of the internal electronic
components.
Various components in the CAP L have temperature sensors and will alarm once they get within about 5
degrees of their maximum allowed temperature. The CAP L will disable itself if any of the internal
temperatures exceeds the maximum allowed temperature.
The maximum ambient temperature of the CAP L is dependent on the mounting configuration, as the
mounting configuration affects the ability of the CAP L to dissipate heat. The various mounting configurations
and resulting temperature ranges of operation are detailed in
Table 9.
CAP L Extended Temperature Operation by Mounting Orientation
Mounting Orientation
Recommended
Maximum
Ambient
Temperature
(Alarm Threshold)
Absolute
Maximum
Ambient
Temperature
(Shutdown Temp.)
Vertical Mount
60 °C (140°F)
65 °C (149°F)
Dual Vertical Mount
58 °C (136.4°F)
63 °C (145.4°F)
Flat Surface Mount
Fins facing up
Flat Surface Mount
54 °C (129.2°F)
59 °C (138.2°F)
Fins Facing down
Ceiling Mount with Fins Down
Ceiling Mount
48 °C (118.4°F)
53 °C (127.4°F)
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