User Manual

Table Of Contents

TeraHop Networks IMS Installation and Operation Manual V1.1 08-0000-01-R1

166

MMR System Will Not Power Up

Step

Yes

Go to

step

Go to

step

1. Disconnect the power connector that supplies a 12 VDC input to the MMR System

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2. Using a DVM, check the DC Voltage level on the connector. Is it 12 VDC ±1.5

VDC?

3 4

3. Replace the MMR System.

End End

4. Reconnect the connector disconnected in step 2 above.

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5. Refer to the wiring diagram, and determine the terminals on the distribution barrier

strip that supply 12 VDC to the MMR System.

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6. Using a DVM, check these terminals for 12 VDC. Is 12 VDC ±1.5 VDC present?

7 12

7. Disconnect the positive and negative wires that supply 12 VDC to the MMR

System from the distribution barrier strip.

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8. Disconnect the power connector at the base of the MMR System.

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9. Check the connector pins and associated wires for continuity. Is continuity present?

11 10

10. Repair or replace wiring as indicated.

End End

11. Power connector on the MMR System is defective. Replace the MMR System.

End End

12. Repair the terminal on the distribution barrier strip.

End End