User`s manual

U.S. Robotics I-modem Command Reference

Appendix A: Alphabetic Command Summary • Page A-40

3 8 Enable V.23. Required for some British connections.

6 64 Disable the remote-access busy message.

7 128 Disable V.32terbo.

S38 0 Sets the duration, in seconds, before a forced hang-up and clearing of the

Transmit buffer when DTR drops during an ARQ call. This is provided to

allow time for a remote device to acknowledge receipt of all transmitted

data.

Default = 0: The I-modem immediately hangs up when DTR drops. If the I-

modem receives the ATH command, it ignores S38 and immediately hangs

up.

S41 0 Sets the number of allowable remote-access login attempts, thus enabling

or disabling remote access. The default setting of zero allows no remote

enables remote access. If the number of unsuccessful login attempts

exceeds the limit set by this register, the I-modem returns online and any

further login attempts during the remainder of that connection are refused.

S42 126 Stores the ASCII decimal code for the remote-access escape character.

The default character is a tilde (~).

S43 200 Sets the duration, in Þftieths of a second, of the guard time for the remote-

access (~~~~) sequence.

Table AÐ1. S-register

s: Their Functions and Default Settings