ADTRAN DSU IV ESP, User Manual

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Chapter 5. Configuration Overview
61204011L1-1 DSU IV ESP User Manual 5-7
Asynchronous Option
Character Format
• Start bit - 1
• Data bits - 7
• Parity bit - Even
• Stop bit - 1
Command Structure
[V.25 bis COMMAND][CR][LF]
Command Descriptions
The ADTRAN V.25 bis command set is a subset of the CCITT V.25
bis command set. In addition to the CCITT commands supported,
ADTRAN has added configuration commands for both local and
remote DSUs. The ADTRAN V.25 bis command set follows:
Possible responses to V.25 bis commands follows:
If verbose responses are disabled (ATV0), the following three-
character responses are the only ones returned:
CNL Configuration local
CNR Configuration remote
VALA Valid V.25 command processed
INV An invalid command detected
INVCU Unknown command detected
INVPS Invalid parameter syntax
INVPV Invalid parameter value
INVBL Invalid local password
INVBM Invalid remote password
VAL Valid V.25 command processed
INV Invalid command received