Lucent Technologies -48V CPS4000/CPS4000 PLUS Cabinet Power System
2 - 30 Product Description
Issue 13 December 2000
Converter Plant
Table 2-I: Converter Plant Specifications
Power Units
ES680; maximum of five per shelf or 10 per plant
ES681; maximum of two per shelf or 4 per plant
Control Unit
MCU: ES646, ES646B, ES648A, ES648B, ES648C, ES648BZ
ACU: ES647
Primary Bus
Required for input power via the primary bus bulk connections
Secondary Bus
24Vdc or 130Vdc
Output Voltage
ES680: 130Vdc
ES681: 24Vdc
Max. Output Current
ES680: 20 amperes per shelf
ES681: 48 amperes per shelf
Nominal Input Voltage
48/52/54Vdc
Input Voltage Range
38-60Vdc
Input Current
Typical:
ES680: 12.5 amperes per converter
ES681: 12.5 amperes per converter
Maximum:
ES680: 16 amperes per converter (Note 1)
ES681: 18 amperes per converter (Note 2)
Efficiency
ES680: 86% typical
ES681: 84% typical
Voice-band Noise
ES680: <32 dBrnc
ES681: <32 dBrnc
Load Share Accuracy
ES680: 0.4 amperes
ES681: 2.4 amperes
Operating Ambient
Temperature
-40°F to 149°F (-40°C to 65°C)
CPS plant can withstand temporary fluctuations in temperature
up to 167°F (75°C)
Note 1: Input current specified at input voltage of 54.5 volts, an output of 130 volts and
4 amperes and efficiency of 86%.
Note 2: Input current specified at input voltage of 54.5 volts, an output of 24 volts and
24 amperes and efficiency of 84.5%.