Adding Or Modifying An E1 Group - 3Com NBX 100 Administrator's Manual

Adding or Modifying
an E1 Group
Modifying E1 Span Audio Controls
Audio Controls settings affect individual spans. You can edit these
properties:
Silence Suppression (3C10165D only) — Enables you to override the
system-wide setting. For a detailed description of how silence
suppression affects audio quality and bandwidth, see
Settings" on page
Audio Compression (3C10165D only) — Enables you to override the
system-wide setting. For a detailed description of how audio
compression affects audio quality and bandwidth, see
Settings" on page
Audio Source Gain — Enables you to adjust the audio gain to resolve
volume issues.
CAUTION: Do not change your Audio Source Gain settings unless you
are instructed to do so by a support representative.
To modify E1 span audio controls:
1 On the Digital Line Cards tab, select ISDN PRI Span List from the Select
Device Type drop-down list.
2 Click Apply.
3 Select the span you want to modify from the Span List. The number of
channels supported per span depends on the configuration of the Digital
Line Card. E1 cards support 30 channels per span.
4 Click Audio Controls. Click the Help button for more information about
dialog box fields.
A digital line card group is one or more E1channels that are assigned the
same characteristics, such as Channel Protocol. This section describes
how to perform these actions:
Adding an E1 Group
Modifying an E1 Group
Changing E1 Group Membership
Removing an E1 Group
CAUTION: Modifying an E1 group disconnects any calls in process on
any channels associated with the group.
Configuring and Managing E1 Digital Line Cards
257.
257.
191
"Audio
"Audio