Multi-Tech Systems ISIHP-4U, ISIHP-4SD manual PPP protocol

Terminal Adapter AT Commands & S-Registers

same value as Data DN/MSN 1 and/or 2. A call accepted by Modem DN/MSN 2 will be routed to the second modem.

Usage: *!DNn

Function: Disable Modem DN/MSN n

Values: n=1 (disable Modem DN/MSN 1), n=2 (disable Modem DN/MSN 2)

Default: All ports are enabled by default

Description: *!DNn disables a Modem DN/MSN which will effectively disable the associated modem port from receiving any modem calls. However, the port will still be able to originate modem calls. This is useful for applications where a specific port is for dial-out only.

Usage: *!ENn

Function: Enable Modem DN/MSN n

Values: n=1 (enable Modem DN/MSN 1), n=2 (enable Modem DN/MSN 2)

Default: All ports are enabled by default

Description: *!ENn enables a Modem DN/MSN which will put it back in service for accepting and originating modem calls.

!Z=n Rate Adaptation Protocol Values: n = 5, 6, 9, or 12 Default: !Z=9 (PPP)

Selects the rate adaptation protocol used to communicate with another terminal adapter. The local and remote terminal adapters must be set to the same protocol for communication to take place.

!Z=5	V.120 protocol
!Z=6	V.110 protocol
!Z=9	PPP protocol
!Z=12	X.75 protocol

114 MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD