T1/PRI Line

your carrier exceeds 6200 feet or 1.8 kilometers but is less than 6855 feet or 2.0 kilometers.) The following illustration shows a connection to the T1/PRI line through an external CSU:

Less than 655 feet (200m)

Up to 6200 feet (1.8 km)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WAN Adapter

CSU

Telco

Figure 3-3. DS1 Connection Through an External CSU

WARNING

To avoid harming the WAN, you must first contact your carrier for approval before connecting the CSU to the line.

CAUTION

In accordance with FCC Rules, Part 68.218 (b), you must notify the telephone company prior to disconnecting the CSU from the line or turning the CSU’s power off. Without this prior notification, the carrier might temporarily discontinue your T1/PRI service.

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Interphase Corporation