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## Related Documentation

- T1/E1 Interface Module with VComp Bundles Overview

# Configuring T1 and E1 Port Parameters for VComp Bundles (CTP Menu)

This topic describes how to configure port parameters for T1/E1 interfaces.

Before you begin:

- Disable the bundle before you modify the bundle options.

To configure port parameters for T1/E1 interfaces for VComp bundles using the CTP Menu:

1. From the Main Menu, select 1) Bundle Operations.
2. Select 4) VCOMP.
3. If you are creating a new VComp bundle on a T1/E1 interface module and there are no other bundles configured on the interface, you are prompted to specify whether the T1/E1 interface is dedicated to VComp bundles.

       Do you want to configure this card for all VCOMP?  y[n]:

   - If you specify yes, all ports on the interface can be used for VComp bundles, and you cannot configure any other bundle types on the interface.
   - If you specify no, you can configure other types of bundles on the interface. However, you cannot use port 2 for VComp bundles.
4. If you are configuring an existing bundle, select a bundle from the list.

   If you select an active bundle, you are prompted to disable the bundle before configuring it.

5. Select 3) Port Config.
6. Follow the onscreen instructions, and configure the options as described in Table 1.

   The options vary depending on whether the bundle is T1 or E1.

Table 1: VComp Bundle T1/E1 Port Parameter Settings in the CTP Menu

Field | Function | Your Action
--- | --- | ---
Port descriptor | Specifies a description for the port. | Enter a description of up to 62 alphanumeric characters. Do not use the following characters:
    ( ; ' " ) ]
Type | Specifies the type of interface. The type of interface that you select affects the default packet size and buffer sizes for the bundle. | Select one: T1 E1
LineCoding | Specifies the T1 encoding method used on this bundle. | Select one: B8ZS AMI
BuildOut | For T1 interfaces, specifies the line buildout. | Select one: 0) ~133 ft 1) ~266 ft 2) ~399 ft 3) ~533 ft 4) ~655 ft 5) -7.5dB CSU 6) -15dB CSU 7) -22.5dB CSU
Frame Mode | For T1 interfaces, specifies the framing method. | Select one: ESF—Extended Superframe (ESF) Framing. Frame synchronization, data link, and CRC framing bits are passed across the IP network untouched. D4—Superframe Framing.
Signal (for T1) | For T1 interfaces, specifies whether or not CAS signaling is used. | Enter one: On—Signaling is on. Signaling lead input on each channel is transported end-to-end. Off—Signaling is off.
Signal (for E1) | For E1 interfaces, specifies the signaling method used. | Select one: CSS—Common channel signaling. The common channel carries data messages that convey signaling for the circuits between two devices. CAS—Channel associated signaling. Each traffic channel has a dedicated signalling channel (channel 16).

## Related Documentation

- T1/E1 Interface Module with VComp Bundles Overview

#### Published: 2010-10-27

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