Advanced Information - IBM 10/100 EtherJet User Manual

Advanced information

Command Set
Modem AT Commands
Command Description
+++ Escape sequence:
Exit data mode and enter on-line command mode.
A/ Repeat last command:
Repeat the preceding command. Note: Do not precede with AT or follow with Enter.
A Answer command:
Answer an incoming call.
Bn Communication standard setting:
Determines CCITT vs. Bell standard
B0: Selects ITU/CCITT V.22 mode @ 1200 bps.
B1: Selects BELL 212A @ 1200 bps (defaults).
B2: Unselects V23 reverse channel (same as B3).
B3: Unselects V23 reverse channel (same as B2).
B15: Selects ITU/CCITT V.21mode @ 300 bps.
B16: Selects BELL 103J mode @ 300 bps.
Cn Carrier control:
C0: Transmit carrier always off.
C1: Normal transmit carrier switching.
Dn Dial command:
Dial a telephone number n (n=0-9, A-D, #, *) automatically. You can also assign the following:
s=L: Redials the last number dialed.
s=P: Specifies pulse dial.
s=T: Specifies tone dial (default).
s=W Waits for a second dial tone.
s=, Specifies pause.
s=@ Waits for 5 seconds of silence.
s=! Specifies flash.
s=; Returns to command mode after dialing.
s=$ Detects bong tone.
DS=n Dial command:
Dial one of four telephone numbers (n=0-3) stored in the modem's nonvolatile memory.
V.250
TIA-602
Identification: +GMI, +GMM, +GMR
Port control: +IPR, +ICF, +IFC, +Ilrr
Modulation: +MS, +MR, +MA
Error control: +ES, +ER, +EB, +ESR, +ETBM
Data compression: +DS, +DR
V.251
Advanced information
17
Using the modem