Multi-Tech Systems ISIHP-2U - Manual (Page 111)

MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD 111
Terminal Adapter AT Commands & S-Registers
*!D3=0-63 Sets the TEI to a fixed value from 0
through 63
*!D3=240 Sets voice channel for dynamic TEI
negotiation (factory default)
*!D3=241 Disables TEI
!L Display Network Configuration
Values: n/a
Default: n/a
Displays the current DN, SPID, TEI, Data protocol, and switch type.
!L Displays the current network configuration
>Dn Embedded Protocol Analyzer
Values: 0, 1, 2, 3, 98, or 99
Default: n/a
Records and analyzes various protocols on the B-channel, D-channel, and
DTE-DCE interface. The Embedded Protocol Analyzer is useful as a
diagnostic tool, in that essential data messages display, which enables you to
observe interactive operations of the TA, Central Exchange, and remote
communications equipment.
>D0 Displays B-channel traffic, decoded as
V.120
>D1 Displays D-channel traffic, decoding layers
2 and 3 (Q.921 and Q.931)
>D2 Displays D-channel traffic, decoding layer 2
only (Q.921)
>D3 Displays D-channel traffic, decoding layer 3
only (Q.931)
>D5 Displays async PPP data
>D6 Displays sync PPP data
>D98 Disables Embedded Protocol Analyzer,
buffered data unchanged
>D99 Enables Embedded Protocol Analyzer,
clearing buffered data