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  Viewing Virtual Connection Properties
To view ATM virtual connection cross-connects: 
Step 1In the Vision client, right-click the required device, then choose Inventory. 
Step 2Open the VC Cross Connect table in either of the following ways: 
In the Inventory window, choose Logical Inventory > VC Switching Entities > VC Switching 
Entity. The Cross-Connect Table is displayed in the...

 
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Chapter 26      Managing Mobile Transport Over Pseudowire (MToP) Networks
  Viewing Virtual Connection Properties
Table 26-1 ATM Virtual Connection Cross-Connect Properties
Field Description
In Port Incoming port for the cross-connect.
In VC Incoming virtual connection for the cross-connect. 
You can view additional details about the virtual connection in the following 
ways:
Click the hyperlinked entry to view the VC table.
Right-click the entry, then choose...

 
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Chapter 26      Managing Mobile Transport Over Pseudowire (MToP) Networks
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Table 26-2 Virtual Connection Traffic Descriptors
Value Description
ABR Available bit rate (ABR) supports nonreal-time applications that tolerate high 
cell delay, and can adapt cell rates according to changing network resource 
availability to prevent cell loss.
CBR Constant bit rate (CBR) supports real-time applications that request a static...

 
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Chapter 26      Managing Mobile Transport Over Pseudowire (MToP) Networks
  Viewing Virtual Connection Properties
Viewing ATM VPI and VCI Properties 
If you know the interface or link configured for virtual connection cross-connects, you can view ATM 
VPI and VCI properties from the physical inventory window or from the link properties window.
To view ATM VPI and VCI properties, open the VC Table window in either of the following ways: 
To open the VC Table...

 
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Chapter 26      Managing Mobile Transport Over Pseudowire (MToP) Networks
  Viewing Virtual Connection Properties
Viewing Encapsulation Information
To view virtual connection encapsulation information:
Step 1In the Vision client, double-click the element configured for virtual connection encapsulation. 
Step 2In the Inventory window, choose Physical Inventory > Chassis >Slot>Subslot>Po r t. 
Step 3Click the Show Encapsulation button. 
The VC Encapsulation...

 
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Chapter 26      Managing Mobile Transport Over Pseudowire (MToP) Networks
  Viewing Virtual Connection Properties
Table 26-4 describes the information displayed in the VC Encapsulation window. 
Table 26-4 VC Encapsulation Properties
Field Description
VC Virtual connection identifier, such as VC:7/4.
Type Type of encapsulation, such as Point-to-Point Protocol (PPP) over 
ATM (PPPoA) or ATM adaption layer Type 5 (AAL5).
Binding Information Information tied to...

 
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Chapter 26      Managing Mobile Transport Over Pseudowire (MToP) Networks
  Viewing IMA Group Properties
Viewing IMA Group Properties 
To view IMA group properties:
Step 1In the Vision client, double-click the required device. 
Step 2In the Inventory window, choose Logical Inventory > IMA Groups >group. IMA group properties 
and the IMA Members table are displayed in the content pane as shown in Figure 26-8. 
Figure 26-8 IMA Group Properties
Table 26-5...

 
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  Viewing IMA Group Properties
Frame Length Length of the IMA group transmit frames, in the number of cells: 
32, 64, 128, or 256. 
A small frame length causes more overhead but loses less data if a 
problem occurs. We recommend a frame length of 128 cells.
Group Number IMA group number.
Group State IMA group status, in the order of usual appearance:
Startup—The near end is waiting to...

 
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Table 26-6 describes the information displayed in the IMA Members table. 
Step 3In the IMA Members table, click a hyperlinked port entry to view the port properties in physical 
inventory. See Figure 26-9.
The information that is displayed for the port in physical inventory depends on the type of connection, 
such as SONET or ATM.
Table 26-6 IMA Members...

 
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Chapter 26      Managing Mobile Transport Over Pseudowire (MToP) Networks
  Viewing TDM Properties
Figure 26-9 ATM IMA Port in Physical Inventory
Viewing TDM Properties 
TDM is a mechanism for combining two or more slower-speed data streams into a single high-speed 
communication channel. In this model, data from multiple sources is divided into segments that are 
transmitted in a defined sequence. Each incoming data stream is allocated a timeslot of a fixed...