Fractional T1 Configuration Using PPP

The line configuration information shown in Table 3-2must be supplied by the service provider.

Table 3-2 Telco Configuration Information

Configuration Information

Information Supplied by

Required by User

Service Provider

 

 

 

 

Line Coding

B8ZS or AMI

 

 

Frame Type

ESF or D4

 

 

Clock Source

Loop Timing or Local Timing

 

 

DS-0s (Timeslots)

Timeslots being used for each end of

the circuit

 

 

 

3.4.1T1 Physical Configuration

Begin the WPIM-RT1 physical configuration by accessing the WAN Physical Configuration screen through Local Management (Figure 3-1).

Proceed with the following steps:

1.Use the arrow keys to highlight the [WPIM X] field at the bottom of the screen. Press the SPACE bar to select the number of the WPIM being configured, then press ENTER.

2.Use the arrow keys to highlight MgrType. Select PPP.

NOTE

When changing from one protocol to another on a WPIM-RT1 that has been operational, save NONE as the protocol before changing to another protocol.

3.Use the arrow keys to highlight Timeslot View. Press the SPACE bar to select New, then press ENTER. The cursor moves to Timeslot #1 of the Timeslot Configuration Table.

4.Insert an interface number (see the Notes on page 3-16) into every Timeslot being used (in the example shown in Figure 3-7, 16 Timeslots are used, the rest have zeros in them). Type the number, press ENTER, then use the arrow keys to highlight the next Timeslot field. Exit this field by using the arrow keys.The cursor automatically moves to the T1 Line Coding field.

WPIM-RT1 User’s Guide

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Cabletron Systems WPIM-RT1 manual Fractional T1 Configuration Using PPP