R2511-HP MSR Router Series Layer 2 - WAN Command Reference(V5)

191
Command Descri
p
tion
En
Sets the modem to echo commands to the workstation. The n argument can be 0 or
1.
• E0—Disables echo of commands to the workstation.
• E1—Enables echo of commands to the workstation (the default setting).
Dn
Instructs a modem to dial the number specified by the n argument. In pulse dialing
mode, nonnumeric characters in the n argument are ignored.
Hn
Sets the way to terminate a call. The n argument can be 0 or 1.
• H0—Specifies to terminate a call by hanging up the modem (the default setting).
• H1—Specifies to terminate a call by modem off-hook.
In
Inquiries to display the modem product ID, ROM checksum or ROM checksum status.
The n argument can be 0 (or 3), 1, 2, 4, 5, or 9.
• I0/I3—Displays the default speed and controller hardware version of a modem.
• I1—Calculates and displays ROM checksum.
• I2—Checks the ROM, calculates and checks checksum and displays the OK or
ERROR information.
• I4—Displays hardware version of the data pump.
• I5—Displays the board ID, software version, hardware version, and the country
code of a modem.
• I9—Displays the country code.
Ln
Sets the speaker volume for fax and data communication. The value range for the n
argument is 0 to 3.
• L0/L1—Sets the volume to be low.
• L2—Sets the volume to be medium (the default setting).
• L3—Sets the volume to be high.
Mn
Sets the speaker options for fax and data communication. The value range for the n
argument is 0 to 3.
• M0—Turns off the speaker.
• M1—Sets the speaker to be on before the carrier signal is detected (the default
setting).
• M2—Turns on the speaker when the modem is off-hook.
• M3—Sets the speaker to be on after a number is dialed until the carrier signal is
detected.
Nn
Specifies whether or not negotiation is performed when the local modem tries to
establish a connection and the local modem and the remote modem operate at
different speeds. The n argument can be 0 or 1.
• N0—Adopts the communication standard specified by S37 register and the ATB
commands only.
• N1—Adopts the transmission speed specified by S37 register and ATB commands
for negotiation (the default setting). During the negotiation, the speed might drop.
On
Forces a modem to be in the online data mode. The n argument can be 0, 1, or 3.
• O0—Sets a modem to be in online data mode.
• O1—Initiates a retrain sequences before returning to the online data mode.
• O3—Negotiates the transmission speed again before returning to the online data
mode.
This command causes a modem to operate in the online data mode again after you
switch to the command mode by executing the +++ command.