American Power Conversion Automatic Disconnect Switch User Manual
Broadband
Automatic Disconnect Switch
User Manual
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990-1929 09/2004
Introduction
Introduction
About this unit
Redundant power and output voltage monitoring for Broadband cable systems is provided with the use of two
APC Automatic Disconnect Switches and two Ferroresonant Power Supplies (FRP).
Safety
Electrical Warnings
Do not work alone under hazardous conditions.
High current through conductive materials could cause severe burns.
Do not work alone under hazardous conditions.
High current through conductive materials could cause severe burns.
Do not handle any metallic connector before the power hs been disconnected.
When grounding cannot be verified disconnect the equipment from the utility
power outlet before installing or connecting to other equipment. Reconnect the
power cord only after all connections are made.
Check that the power cord(s), plug(s), and socket(s) are in good condition.
Replacement of fuses or other parts must be with identical types and ratings.
Substitution of nonidentical parts may cause safety and fire hazards.
In order to maintain compliance with the EMC directive for products sold in
Europe, output cords attached to the UPS should not exceed 10 meters in length.
Specifications
Environmental Specifications
Temperature
Humidity
Elevation
Operating: 32° to 122°F (0° to 50°C)
Storage: 5
0 to 95%
0 to 10,000 feet (0 to 3,000 meters)
° to 122°F (-15° to 50°C)
Broadband Automatic Disconnect Switch User Manual 3
Installation
Electrical Specifications
Input
Utility Power Cable
Connection
Nominal Voltage
Allowable Input range
Maximum Current
Input Current Limiting
Three Position
Terminal Block
220 V 63 V
165-270 V 40-75 V
15 A 18 A
10 A N/A
Output
Connection
Allowable Output range
Initial Connection Delay
Time to connect attached FRP
to cable system after output
failure
Three Position
Terminal Block
N/A 350 mS maximum
Physical Specifications
Characteristic Specification
Height/Width/Depth
Wei gh t
15” x 7” x 8” (38.1 x 17.8 x 20.3 cm)
14 lbs (6.4 kg)
Terminal Block to Coax Center Conductor
Terminal Block to Coax Center Conductor I
Cable Adapter (5/8-24)
Cable Adapter (5/8-24)
40-75 V
Primary - None
Secondary - 5.5 seconds
Installation
Unpack
Read the Safety Guide before installing this unit. The User Manual and Safety Guide are accessible on the
APC Web site, www.apc.com.
Inspect the unit upon receipt. Notify the carrier and dealer if there is damage.
The packaging is recyclable; save it for reuse or dispose of it properly.
Check the package contents:
4 Broadband Automatic Disconnect Switch User Manual
Installation
• Automatic Disconnect Switch enclosure
• Two mounting brackets
• Four screws
• UPS literature kit containing:
– product documentation
– safety information warranty information
• One F Connector nut
Schematic Overview of the Automatic Disconnect Switch System
The user must designate the primary and secondary power supply. Refer to Reset/Test in the Operation section
of this manual for details.
Primary FRP supplying power
Primary FRP supplying power
Primary FRP supplying power
to two buildings
to two buildings
Primary Power Supply
Primary Power Supply
Primary Power Supply
220 VAC
220 VAC
220 VAC
FRP1 FRP2
FRP1 FRP2
FRP1 FRP2
63 VAC
63 VAC
cable
cable
cable
63 VAC
blocking
blocking
blocking
element
element
element
CS
CS
CS
Power
Power
Power
to two buildings
63 VAC63 VAC
63 VAC63 VAC
63 VAC63 VAC
Secondary Power
Secondary Power
Secondary Power
220 VAC
220 VAC
220 VAC
CS
CS
CS
Power
Power
Power
63 VAC
63 VAC
63 VAC
blocking
blocking
blocking
element
element
element
cable
cable
cable
Bulding 2 cable
Bulding 2 cable
Bulding 1 cable
Bulding 1 cable
Bulding 1 cable
Broadband Automatic Disconnect Switch User Manual 5
Bulding 2 cable
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