Operating instructions

PART III: SECTION D: TECHNICAL QUICK REFERENCE
162
Register Default Function
S15 (cont.) Bit Value Result
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.
8 136 Disable V.42 detect phase.
S16 0 Bit-mapped register setup. To set the register, see instructions for S13.
Bit Value Result
0 1 Reserved
1 2 Touch tone dialing test.
2-7 4-128 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.