Document Title Security Level
2006-10-04 HUAWEI Confidential Page24, Total35
Interface Name Type Quantity Function
provides a high precision clock
at 2.048 MHz.
Power supply 1 -
Protection
ground
1 -
Power and grounding
interface
Power ground 1 -
External alarm
input port
6+32 The DTMU provides 6-route
Boolean value inputs. If the
DEMU is configured, additional
32-route Boolean value inputs
can be provided.
External
control output
port
6 The DEMU provides 6-route
Boolean value outputs.
Monitoring interface
Environment
monitoring
communicatio
n interface
2 It is used to connect the
environment monitoring
instrument (EMI).
Antenna feeder interface RF signal 12 It is the input interface for the
antenna feeder
7.2.6 Operation Environment
0 shows the BTS3012 operation environment requirements.
BTS3012 operation environment requirements
Operation Type Item Range
Temperature –5°C to +45°C Long-term
operation
environment
Relative humidity 5% RH to 95% RH
Temperature –10°C to +55°C Short-term
operation
environment
Relative humidity 5% RH to 95% RH
a: Long-term operation environment refers to the normal working condition of the BTS for a
long time.
b: Short-term operation environment refers to the working condition in which the BTS can
work normally for not more than 15 days without any hardware failure
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