US Robotics 56K MESSAGE MODEM - QUICK FOR WINDOWS Podręcznik Użytkownika Pobierz pdf (Strona 74)

56K Professional Message Modem70

S14 0 Reserved

S15 0 Bit-mapped register setup. To set the register, see

instructions for S13.

Bit Value Result

0 1 Disable ARQ/MNP for V.22

1 2 Disable ARQ/MNP for V.22bis

2 4 Disable ARQ/MNP for

V.32/V.32bis/V.32terbo

3 8 Disable MNP handshake

4 16 Disable MNP level 4

5 32 Disable MNP level 3

6 64 MNP incompatibility

7 128 Disable V.42 operation

To disable V.42 detect phase, select the total

of the values for bits 3 and 7 (in other words

S15=136 [the sum of values 8 and 128])

S16 0 Reserved

S17 0 Reserved

S18 0 Test timer for &T loopback testing. Sets the time in

seconds of testing before the modem automatically

times out and terminates the test. When set to 0, the

timer is disabled. Valid range is 1-255.

S19 0 Sets the duration, in minutes, for the inactivity timer.

The timer activates when there is no data activity on

the phone line; at time-out the modem hangs up.

S19 = 0 disables the timer.

S20 0 Reserved

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 83 84

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US Robotics 56K MESSAGE MODEM - QUICK FOR WINDOWS Podręcznik Użytkownika Strona 74