........................................................................................................................................................................................................................

Connect a cable from the DS3 test set receive connection to the OUT jack of the DSX-3

associated with the first DS3 or TMUX tributary of the 1665 DMX Function Unit slot to

be tested.

Result:

verify that the port on the DS3 or TMUX pack is receiving the signal, verify that the

port has transitioned to an "in service" state with the View -> Equipment command.

A port state of "IS" indicates that the pack is receiving a good signal to the port.

While observing the error-free transmission at the DSX, grasp the DS3 cable about two

inches from the BNC connector head and gently rotate (twist) the cable in a clockwise and

counter clockwise direction about 45 degrees (gently).

Result:

connector must be cut off and replaced.

If an error-free signal is not received:

Check the LBOs settings using the

•

DS3/EC1 and TMUX LBOs (p.

Verify that the pack is provisioned for the framing format being sent from the test set,

•

M13.

Verify that the port is provisioned for DS3. See

•

Check the DS3/EC1 cabling for proper connections.

•

Check off the appropriate box in

N D

........................................................................................................................................................

365-372-304R7.1

Issue 1, November 2007

The DS3 test set should indicate it is receiving an error free PRBS signal. To

If any errors are detected while performing this "wiggle test," the BNC

T E P S

View -> Equipment

4-5).

Verify provisioning (p.

Appendix E, "Installation

DS3/EC1 and TMUX testing procedure

command (see

Setting