ADCP-80-524 • Issue 1 • November 2001

–24V/–48V

BATTERY A

RETURN A

–24V/–48V

BATTERY B

RETURN B

BATTERY RETURN

1

2

3

4

5

6

7

8

BUS A

RETURN A

BUS B

RETURN B

BATTERY RETURN

1

2

3

4

5

6

7

8

POWER A LED

FUSE

ALARM A LED

POWER B LED

FUSE

ALARM B LED

16758-A

C

NO

NC

SYSTEM ALARM

CONNECTIONS

C

NO

NC

Figure 7. PowerWorx Type 70 Fuse Panel Block Diagram (Traditional Power Fuse Panel Shown)

1.4Input Connectors

Each bus is equipped with two (2) input connectors on the rear of the fuse panel through which input power is applied. The two input power connectors are labeled BATT (battery) and RTN (return) on the fuse panel. The following types of input connectors are available:

•Two-hole compression lug (stud type) connectors: Each connector consists of two studs mounted on a plated copper bar and two nuts. Each set of studs can accept various size 2- hole lugs which can be used with a number of wire sizes ranging from #14 to #2 AWG copper wire. Various lugs are available as accessories.

•Set screw barrel connectors: Each connector has two (2) barrels. On each connector, the barrel that is closest to the outside of the fuse panel (barrel without a cap) is used to secure

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© 2001, ADC Telecommunications, Inc.