ADTRAN DSU IV ESP, Руководство пользователя

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Chapter 14. Viewing Status Information
14-4 DSU IV ESP User Manual 61204011L1-1
DBU Test Pattern
The DSU IV ESP is currently performing a test with a pattern.
Waiting for Call
The originating DSU IV ESP is waiting on a call from the remote
end.
Inactive
A DBU card is installed but the DSU IV ESP is set to SW56 mode.
Getting TEI
The ISU card is getting its first terminal endpoint identifier from
the network.
Register SPID
The ISU card is registering its first SPID with the network.
DSU Operation and Network Status
Current DSU IV ESP Status
This display line (see Figure 14-1 on page 14-1) indicates current
DSU IV ESP status. Possible messages are:
Data Mode - In data mode, the data set ready (SR) and request to
send (RTS) circuits are on, and the DSU IV ESP is ready to send
data.
Unit in Test - The DSU IV ESP is currently in test mode; use the
arrows to scroll through the menus to display the type of test being
performed.
Current DDS Network Status
This display line (see Figure 14-1 on page 14-1) displays the status
of the main telco line. For normal operation this should display
LOOP IS NORMAL; other possible messages are described as
follows:
Answering Call - The DSU IV ESP detects an incoming call.
Check Telco - The transmit and receive (Tx/Rx) pairs of the loop
connection are reversed. The pairs should be swapped for normal
operation.