ADCP-80-575 • Issue 2 • December 2006

4.Repeat the test procedure for second fuse type, if present.

5.Repeat the test procedure for the second power bus, if present.

TEST 4- POWER BUS B: VERIFY THAT CONTINUITY EXISTS BETWEEN INPUT AND TYPE 1 FUSED OUTPUT RTN TERMINALS

TEST 4- POWER BUS A: VERIFY THAT CONTINUITY EXISTS BETWEEN INPUT AND TYPE 1 FUSED OUTPUT RTN TERMINALS

18874-A

Figure 10. Test 3: Input Return to Fused Output Return (Type 1 Fuse)

TEST 5- POWER BUS B: VERIFY THAT CONTINUITY EXISTS BETWEEN INPUT AND TYPE 2 FUSED OUTPUT RTN TERMINALS

TEST 5- POWER BUS A:

VERIFY THAT CONTINUITY

EXISTS BETWEEN INPUT

AND TYPE 2 FUSED OUTPUT

RTN TERMINALS

18875-A

Figure 11. Test 3: Input Return to Fused Output Return (Type 2 Fuse)

Test 4: Alarm Terminals—Connect the test probes alternately between the C and NC terminals and the C and NO terminals on each set of alarm terminals. Verify that no continuity exists between the C and NC terminals and that continuity exists between the C and NO terminals.

If the fuse platform fails any of the specified tests, it is defective and must not be installed. Contact ADC (see Section 8, Customer Information and Assistance on page 30) for an RMA (Return Material Authorization) and to reorder if replacement is required.

4 INSTALLATION

This section provides procedures for mounting the fuse platform on a rack and installing wiring. Wiring includes input, grounding, alarm, and output wiring.

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© 2006, ADC Telecommunications, Inc.