Adtran L128T Manual Do Utilizador

Chapter 1: Understanding ISDN and the Express L128/L128T

61202.070L1-1

Express L128/L128T User Manual

PWR

Flashes when the link is inactive; solid when the link is active.

B1

Flashes green when the link is being negotiated; off when the 

link is active. After the link is active, B1 flashes green when a 

call on B1 channel is in progress; solid green when a call is 

connected.

B2

Flashes green when the link is being negotiated; off when the 

link is active. After the link is active, B2 flashes green when a 

call on B2 channel is in progress; solid green when a call is 

connected.

B1/B2

A slow amber flash indicates test in progress; a fast amber 

flash indicates test has failed.