Paradyne 3551 Verifying Operation and Testing Connections, Connecting Port, Verifying the Network

Installing the Model 3550 DSU

Connecting Port 2

For the EIA-232cable, install as described above.

For the V.35 cable, install the V.35 Interconnect Cable, then the V.35 DTE cable as follows (refer to Figure 2-7).

.Procedure

1.Reconfigure the port to match the interface, V.35 in this example.

2.Connect the 25-pin plug end of the V.35 Interconnect Cable (feature number 3000-F1-510) to Port 2.

Tighten the holding screws.

3.Connect the plug end of the 34-pin V.35 DTE cable to the other end of the V.35 Interconnect Cable.

Tighten the holding screws.

4.Connect the other end of the DTE cable to the appropriate port on the computer or DTE.

Tighten the holding screws.

Refer to Chapter 4 to learn how to reconfigure the DSU's port(s).

Verifying Operation and Testing Connections

Verification testing should be performed after any installation.

After installing and configuring the circuit (including control and tributary DSUs, the DDS network, the DBMs and their dial connections), perform the following series of tests from the control DSU to verify network operation (using either the DCP or NMS).

Verifying Network Addresses

Access the DSU's identity (ID) subbranch for each tributary DSU to ensure that the DSUs are properly addressed. Refer to Chapter 5 for an example using the DCP, if needed.

.Procedure

1.Select Remot (Remote branch).

2.Enter the tributary's network address.

3.Select Stat (Status branch).

4.Press the key until ID appears.

5.Select ID.

6.Press the key until Network Addr appears.

7.Verify that the correct address has been entered.

Repeat this procedure for each tributary DSU in the network.

Verifying the Network

Perform a Digital Test on the DDS circuit to ensure that the network is functioning.

.Procedure

1.Select Test (F3).

2.Select DSU (F1).

3.Press the key until DT appears.

4.Select DT.

5.Select Start (F1).

6.Select a port.

7.Enter the address of the remote DSU.

8.Select the amount of time you want the test to run in hours: minutes: seconds (hh:mm:ss).

•Press the or key to move the blinking cursor to the digit to be changed.

•Press the F1 ( ") key to increment the digit (1 through 9).

•Press the F2 ( ↓) key to decrement the digit.

9.Select Enter (F3). Please wait appears as the DSU starts the test.

10.When Command Complete appears, press the key.

11.Select Displ (F1) to display the results of the test.

Table 4-6 in Chapter 4 shows the information received from a Digital Test.

12.Press the key to scroll through each result.

3550-A2-GB20-20 December 1996 2-11