Chapter 9. Transaction Language 1 (TL1)

management port enabled, a valid IP and gateway address, and a valid subnet mask.

Once the Telnet connection is established, it is necessary to initiate a TL1 session. Establishing a TL1 session involves successful user authentication. Until a TL1 session is established, all commands other than those used to initiate or terminate a session will be denied (autonomous messaging is also disabled). Authentication involves the successful entry of a username/password pair. A table of usernames and associated passwords and privileges is kept for TL1 authentication. This table is maintained by an administrator through the VT-100 menus or through a TL1 session. For information on using the Act-User command to initiate a TL1 session, see the section TL1 Commands on page 9-5.

TL1 MESSAGES

As stated earlier, TL1 messages are either part of a command- response exchange or are generated autonomously.

The general format for a TL1 command is as follows:

<VERB>[-<MOD1>[-<MOD2>]]:[<TID>]:[<AID>]:[<CTAG>]:[GB](:<PARAMx>(,<PARAMx>)*)*;

Refer to TL1 Commands on page 9-5 for a list of TL1 commands supported by the MX2800 STS-1.

TL1 Responses

There are three types of TL1 responses:

Acknowledgment messages

Output Response messages

Autonomous messages

Acknowledgment Messages

Acknowledgment messages are brief output messages generated in response to received TL1 commands. The MX2800 STS-1

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MX2800 STS-1 User Manual

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ADTRAN 4200659L2, 4200659L1, 4175043L2, 4200659L5, 4200659L8, 4200659L7 TL1 Messages, TL1 Responses, Acknowledgment Messages

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