Cabletron Systems manual 2 T1 Interface Configuration

Full T1 Configuration Using PPP

7.Use the arrow keys to highlight T1 TX Clock Source. Press the SPACE bar to select Local (no clock source provided by telephone company) or Loop-Timing(clock source provided by telephone company), then press ENTER.

If you are using a Local clock source, set only one end of the

!circuit for Local, and the other end must be set for Loop.

CAUTION

8.Use the arrow keys to highlight T1 Line Buildout (LBO). Press the SPACE bar to select 0 dB unless the service provider recommends another setting, then press ENTER.

9.Use the arrow keys to highlight T1 Network Loopback. Press the SPACE bar to select None, then press ENTER.

10.Use the arrow keys to highlight the SAVE command, then press ENTER. The message “SAVE DONE!” displays and Local Management saves the changes to memory. “REBOOT IN PROGRESS......” displays and the host platform reboots. Re-entry to management is necessary for any further configuration.

11.Proceed to Section 3.3.2 to continue configuration.

3.3.2T1 Interface Configuration

The WAN Interface Configuration screen is accessed through the WAN Physical Configuration screen. Access the WAN Interface Configuration screen by using the arrow keys to highlight the WAN INT CONFIG command and press ENTER. Refer to Figure 3-4and proceed with the following steps to configure the WAN Interface.

1.Set the WAN connection Interface Number by typing the same number into the Interface Number field that was input into the timeslots in the WAN Physical Configuration screen, then press ENTER (refer to the Note on page 3-12).

2.Unless the user sets the Max Xmit Unit, the WPIM-T1/DDS automatically sets the Max Xmit Unit to 1526 (default for PPP) after the protocol manager type is selected.

3.Make any changes to the available settings as desired.

WPIM-T1/DDS User’s Guide 3-13