Lucent Technologies -48V CPS4000/CPS4000 PLUS Cabinet Power System
Issue 13 December 2000
Installation and Testing 5 - 11
AC Input Wiring, continued
Notes
•
The -48V CPS shelf may be powered from a single branch circuit
or from separate branch circuits for each input.
•
Branch circuits must be protected using fuses or circuit breakers
sized as required by the National Electric Code. Overcurrent
protection should not exceed 30 amperes.
The recommended AC input circuit protection for each of the five
ac input options is listed in Figure 5-4.
•
AC input cords equipped with AMP MATE-N-LOK II connectors
are for use only inside enclosed equipment cabinets.
•
AC input cords equipped with AMP MATE-N-LOK II connectors
must be dressed and strain-relieved to avoid undue stress on the ac
connectors.
•
To maintain the reliability inherent in a -48V CPS plant, separate
branch circuits must be run to each rectifier to provide an N+1
configuration.
•
If rectifiers are powered from separate branch circuits, all rectifier
slots should be prewired during initial installation. If this is done,
increasing rectifier capacity is as simple as plugging in an
additional rectifier.
Input
Assemblies
AC Input
Connections
Input AC
Voltage
Recommended
Circuit
Protection
Lists 21 and
21B
5
120V and
240V
15A each
Lists 22, 22B,
26 and 26B
1
240V
30A
List 25, 25B,
25R and 25RB
2
240V
20A each
List 23 and
23B
None
Converter Shelf Only
Caution
When handling the plug-in modules, you must be properly
grounded in order to prevent ESD damage to the unit.
