Power Entry Module
VCO/4K Power Subsystem 1-5
Figure 4: Power Entry Module Without Input Power Type Specified
3.1 Input Power
The VCO/4K can be purchased for AC or DC operation. Your system will come with either AC
or DC power supplies, accordingly. Table 1 lists the power input ratings for AC or DC sources.
Refer to the Cisco VCO/4K Hardware Installation Manual for information on proper wiring of
input power. The VCO/4K system is shipped with a kit containing lugs for the input power
cabling.
WARNING: Do not open the power entry module (PEM) or you will
void your Cisco Systems warranty.
Table 1: VCO/4K Power Input Ratings
Nominal
Range
Current
Frequency
–48VDC (per feed)
–40 to –60VDC
20 amps
DC
120VAC, single phase
100 to 120VAC
10 amps
50/60 Hz
240VAC, single phase
208 to 240VAC
5 amps
50/60 Hz
Power Switch
Window showing
ground connection.
Ensure that it is
connected.
Label.
