Command

 

Function

 

 

 

 

&D2

Modem hangs up, returns to the Command Mode after DTR toggle

 

 

 

 

&D3

Resets modem after DTR toggle

 

 

 

&F_

&F

Recall factory default configuration

 

 

 

&G_

&G0

Guard tone disabled

 

 

 

 

&G1

Guard tone disabled

 

 

 

 

&G2

1800 Hz guard tone

 

 

 

&K_

&K0

Disable flow control

 

 

 

 

&K3

Enable RTS/CTS hardware flow control

 

 

 

 

&K4

Enable XON/XOFF software flow control

 

 

 

 

&K5

Enable transparent XON/XOFF flow control

 

 

 

 

&K6

Enable both RTS/CTS and XON/XOFF flow control

 

 

 

&M_

&M0

Asynchronous operation

 

 

 

&P_

&P0

US setting for off-hook-to-on-hook ratio

 

 

 

 

&P1

UK and Hong Kong off-hook-to-on-hook ratio

 

 

 

 

&P2

Same as &P0 setting but at 20 pulses per minute

 

 

 

 

&P3

Same as &P1 setting but at 20 pulses per minute

 

 

 

&R_

&R0

Reserved

 

 

 

 

&R1

CTS operates per flow control requirements

 

 

 

&S_

&S0

Force DSR Signal High (ON)

 

 

 

 

&S1

DSR off in command mode, on in on-line mode

 

 

 

&T_

&T0

Ends test in progress

 

 

 

 

&T1

Perform Local Analog Loopback Test

 

 

 

 

&T3

Perform Local Digital Loopback Test

 

 

 

 

&T4

Grant Remote Digital Loopback Test request by remote modem

 

 

 

 

&T5

Deny Remote Digital Loopback Test request

 

 

 

 

&T6

Perform a Remote Digital Loopback Test

 

 

 

 

&T7

Perform a Remote Digital Loopback Test and Self-Test

 

 

 

 

&T8

Perform Local Analog Loopback Test and Self-Test

 

 

 

&V

&V0

Displays Active and Stored Profiles

 

 

 

 

&V1

Display Last Connection Statistics

 

 

 

&W_

&W0

Stores the active profile as Profile 0

 

 

 

 

&W1

Stores the active profile as Profile 1

 

 

 

%E_

%E0

Disable auto-retrain

 

 

 

 

%E1

Enable auto-retrain

 

 

 

+MS?

 

Displays the current Select Modulation settings

 

 

 

+MS=?

 

Displays a list of supported Select Modulation options

 

 

 

Appendix B. Manual modem commands 33

Page 45
Image 45
IBM 2289 Guard tone disabled, Enable RTS/CTS hardware flow control, US setting for off-hook-to-on-hook ratio, +Ms?, +Ms=?