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Chapter 3: Local Management
3-4 WPIM-RT1 User’s Guide
3.1.2 WPIM Line Configuration Fields
The configuration fields displayed on the WAN Physical Configuration
screen shown in Figure 3-1 are specific to the T1 mode of the
WPIM-RT1.
T1 Timeslot View (Toggle)
Displays the status of the Timeslot Configuration Table. This field toggles
between Active and New. The field comes up with the default setting
Active. The Active setting displays current Timeslot Configuration table
settings. The New setting allows you to change Timeslot Configuration
table settings. The default setting for the Timeslot Configuration table is
all Timeslots not assigned (000).
T1 Line Coding (Toggle)
Displays the line coding for the physical T1 line. This field toggles
between B8ZS and AMI. The default setting is B8ZS.
T1 Frame Type (Toggle)
Displays the T1 Frame type. This field toggles between ESF and D4. The
default setting is ESF.
T1 Tx Clock Source (Toggle)
Displays the T1 Transmit Clock Source. This field toggles between
Loop-Timing (Extracted Line Data) and Local-Timing (Internal Clock).
The default setting is Loop-Timing.
T1 Line Buildout (Selectable)
Displays the line coding for the physical T1 line. Set this to 0 dB unless
the service provider recommends another setting. The default setting for
this field is 0 dB. The following settings are available in this field:
• 0 dB
• -7.5 dB
• -15 dB
• -22.5 dB
• 133-266 Ft
NOTE
The service provider (i.e., AT&T, Sprint, MCI, Bell Atlantic, etc.)
determines the settings for the following fields. Consult the
service provider for the correct settings.