Measurement Functions

3M™ Dynatel™ Advanced Modular System 965AMS

Loop Current>Operation

3. Over Current Warning

The tester has detected a current greater than 110 mA.

Over current can damage the test set. Use standard safety practices for disconnecting the test leads and eliminating the source of the over current.

Disconnect all test leads then press Retest to continue.

Loop Current>Ground Resistance

The Ground Resistance function compares the customer protector ground resistance to an active central office pair.

Note: The Ground Resistance function only works with central offices with the Tip connected to ground.

Loop Current>Ground Resistance>Hook-Up

RED

Ring (B)

GRN

Ground (Earth)

BLK

Tip (A)

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3M 965AMS manual Loop CurrentGround ResistanceHook-Up