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User Manual
Airbridge cBTS3612 CDMA Base Station
B.2 EMS Performance
1) R-F anti-electromagnetic interference (80 MHz~1000MHz )
Values of RF anti-EMI test are listed in Table B-3.
Table B-3 Values of RF anti-EMI test
Whole cabinet
& Note:
Test method is the same as IEC1000-4-3 [9].
2) Voltage drop anti-interference
Among all test items of EMS, the requirement for resisting continuous interference
test is class A and the requirement for resisting transient interference test is class B.
Requirement for power drop and level interruption is shown in Table B-4.
Table B-4 Requirement for power drop and level interruption
Test port
AC port
& Note:
Test method is the same as IEC61000-4-11 [13].
3) Electrostatic discharge (ESD)
Requirement for ESD test level is shown in Table B-5.
Test port
Test level
Drop 30%
Last for 10ms
Drop 60%
Last for 100ms
Drop over95%
Last for 5000ms
B-2
Appendix B EMC Performance
Test level
3V/m
Performance class
A
When there is backup power, A
When there is no backup power, the communication link
need not be maintained. It can be re-created and the
user data can be lost.
When there is backup power, A
When there is no backup power, the communication link
need not be maintained. It can be re-created and the
user data can be lost.
System Description
Performance class
A
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