Power Entry Module
1-6
Cisco VCO/4K Mechanical Assemblies
Table 2 indicates the required terminal (labeled TB1 through TB5) for each conductor, for the
four possible input power sources. Refer to the Cisco VCO/4K Hardware Installation Manual
for illustrations.
Table 2: Input Wiring Connections for AC and DC VCO/4K Systems
Conductor
Terminal
Single Feed –48VDC (nominal)
Jumper 1
TB1 to TB4
Jumper 2
TB2 to TB5
Battery return (+)
TB4
Battery (–)
TB5
Ground
TB3
Dual Feed –48VDC (nominal)
Battery Return A(+)
TB1
Battery A(–)
TB2
Battery Return B (+)
TB4
Battery B (–)
TB5
Ground
TB3
Single Feed 120VAC (nominal)
Neutral
TB5
Line
TB2
Ground
TB3
Single Feed 240VAC (nominal)
Line 1
TB2
Line 2
TB5
Ground
TB3