Enterasys csx200 Guía Del Usuario

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WAN Configuration Using Local Management
138
CSX200 Family User’s Guide
T1 Network Loopback —
Network Loopback is a testing procedure that segments the line and 
allows the user to isolate faults. The selections for this field toggle between None and Line-Loop. 
In Line-Loop all 24 channels are looped back to the T1 line. The CSX200 must be in Loop-Timing 
mode to use this option. The default setting is None.
Time Slot Configuration Table
The Time Slot Configuration table allows you to configure the way in which the CSX200 uses the 
T1 line. The configuration table consists of 24 Time Slots. You must assign each Time Slot an 
Interface number (for example, 002 for an active Interface number or 000 if the Time Slot is not 
used). When you lease an entire T1 line, you can use all 24 Time Slots (the full T1 bandwidth). If 
you lease only a fraction of the T1, the service provider tells you which Time Slots to use.
You can utilize Time Slots any way you choose. The CSX200 supports Time Division 
Multiplexing (TDM) allowing channelization of circuits (Time Slots) within the public network. 
For example, if your CSX200 has access to a full T1 (24 Time Slots), and you want to 
communicate with two other sites, your network configuration might look like 
.
Figure 65
 
Sample Network Configuration
SITE #1
SITE #2
Telco Cloud
24 Timeslots
16 Timeslots
SITE #3
8 Timeslots
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