Cisco Catalyst 3000, Руководство администратора

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Description Setting
Attenuation is measured in decibels, and the lower the number, the
better the voice quality. Adjust the attenuation and input gain values
to achieve maximum voice quality.
The minimum value is –6, and the maximum value is 14.
Output Attenuation (dB)
PRI Channels
If you leased the entire PRI span from your service provider, check
this check box.
For E1 PRI connection type, the channel range available is from 1
to 32 lines.
Enable All Channels
If you did not lease the entire PRI span from your service provider,
enter the partial channel range that is available for use. Enter
commas to separate the ranges; for example, 6-8, 10-12.
You can use up to five partial PRI channel ranges, beyond
which you will have to lease the entire channel range. Note
Enable Channel Ranges
Connection Type: T1 CAS
The following table describes the settings on the
Add PSTN Connection
>
Connection Settings
page when
your chosen Connection Type is T1 CAS.
Table 67: Settings On the Connection Settings page for T1 CAS connection type
Description Setting
Connection Settings
Show Advanced Settings/Hide Advanced Settings
Interface Settings
Select Internal or External for the clock source. Clock
Select the order in which channels or ports are enabled from first
(lowest number port) to last (highest number port), or from last to
first.
Valid entries include TOP DOWN (first to last) or BOTTOM UP
(last to first). If you are not sure which port order to use, select TOP
DOWN.
Channel Selection Order
Product Specific Configuration Layout
Administration Guide for Cisco Business Edition 3000, Release 8.6(4)
280 OL-27022-01
Connection Settings