CommScope Technologies LLC IPBTS-C30-1900 Manual De Usuario
Appendix A
l
Power specifications
A-2
910136 Rev01.00 Standard July 2007
Power specifications
describes the ipBTS power requirements.
Input power interfaces
shows the supported input power connections.
Ratings
UL
UL 1950 (UL60950), UL94.V-1, UL94.VW-1
Altitude
Maximum
6,000 feet (1,800 meters). At altitudes between 6,000
feet (1,829 m) and 12,000 feet (3,658 m), the
specified upper limit for operational temperature
(+40 degrees C) is reduced by 2 degrees C every
1,000 feet.
feet (1,829 m) and 12,000 feet (3,658 m), the
specified upper limit for operational temperature
(+40 degrees C) is reduced by 2 degrees C every
1,000 feet.
Table A-1.
Physical and environmental specifications (continued)
Specification
Description
Table A-2.
Power specifications
Specification
Description
Nominal DC Input Voltage
-48 VDC
DC Input Operating Range
-40 VDC to -57 VDC
Typical Input Current at -48 VDC
3A
Maximum Input Current at -48 VDC
5A
Table A-3.
Input power interfaces
Terminal
Function
-48VDC-A
Input Power, -48VDC.
Input Power Feed A
Input Power Feed A
-48RTN-A
Input Power, -48VDC Return.
Input Power Feed A
Input Power Feed A
-48VDC-B
Input Power, -48VDC.
Input Power Feed B
Input Power Feed B
-48RTN-B
Input Power, -48VDC Return.
Input Power Feed B
Input Power Feed B