Chapter 3. Configuration

Selecting Normal or Invert clocking options depends on your DTE, cable length, and cable characteristics. To verify error free operation, perform a DTE loopback test and a BERT test from the DTE. See the chapter Diag- nostics on page 6-1 for information on performing these tests.

Timed Profiles

Using this option, you can allocate bandwidth based on the time of day. For example, you can assign more bandwidth to the corporate LAN during business hours and more bandwidth to a backup machine in the evenings. The T3SU 300 can store two separate user profiles which have bandwidth selections for each of the four ports. See Figure 3-5and Figure 3-6.

Figure 3-5. Timed Profiles Screen

Profiles 1 and 2

The PROFILE CONFIGURATION screens allow you to change the PORT STATE and NX75K BLOCKS options for all four ports. See page 3-7 for descriptions of these options. The settings are then assigned to

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ADTRAN T3SU 300 user manual Timed Profiles Screen Profiles 1