l Requirement for air vents:
– If the customer equipment has built-in fans, the fans must have air vents on the right
and left or on the front and back so that wind blows from left to right or from front to
back.
– If the customer equipment support natural ventilation, a minimum of 1 U slot must be
reserved above and below the slot respectively for dissipation.
l Requirement for temperature
– In areas where the highest temperature is or is below 40°C, the customer must be able
to function properly at -10°C temperature or even lower temperature and at 55°C or
even higher temperature.
– In areas where the highest temperature is above 40°C, the customer must be able to
function properly at -10°C temperature or even lower temperature and at 60°C or even
higher temperature.
Figure 3-6 Requirements of customer equipment dimension and ventilation
(1) Customer equipment with
natural ventilation
(2) Customer equipment with air
vents on the right and left
(3) Customer equipment with air
vents on the front and back
Cabinet Configuration Principles
l A single BTS3900A can be configured with a maximum of 12 RFUs. That is, more than
12 RFUs must be configured in different BTS3900As.
l A single BTS3900A can be configured with a maximum of two cabinet assemblies, and a
cabinet assembly must be installed side by side with a default distance of 40 mm. A cabinet
assembly consists of one APM30H and one RFC.
l A single APM30H can be used with a maximum of one RFC and with a maximum of two
IBBS200Ds/IBBS200Ts.
l The RFC can be stacked only under the APM30H/TMC11H.
BTS3900A(Ver.B)
Installation Guide 3 Information About the Installation
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
14
To Next Page
Loading...
Need help?
General
