User`s manual

U.S. Robotics I-modem Command Reference
Displaying Help Screens • Page 13-8
2 = Dial Test 4 = Disable 32S-2D trellis code
4 = Test Pattern 8 = Disable 64S-4D trellis code
8 = Remote Digital Loopback 16 = Reserved
16 = Reserved 32 = Reserved
32 = Reserved 64 = Reserved
64 = Reserved 128 = Reserved
128 = Reserved S56 Bit Mapped
S17 Reserved 1 = Disable Non linear coding
S18 &Tn Test Timeout (sec) 2 = Disable TX level deviation
S19 Inactivity Timeout (min) 4 = Disable Pre-emphasis
S20 Reserved 8 = Disable Pre-coding
S21 Break Length (1/100sec) 16 = Disable Shaping
S22 Xon Char 32 = Disable V34+
S23 Xoff Char 64 = Disable V.34
S24 DSR Pulse Time (1/50sec) 128 = Disable V.FC
S25 DTR Recognition Time (1/100sec) S67 Misc. ISDN Configuration
S26 RTS/CTS Delay Time (1/100sec) 1 = Enable V.110 in Automode
S27 Bit Mapped 2 = Fix Connection Rate for
1 = V21 Mode Digital Calls
2 = Disable TCM 4 = Connect at 64K (else 56K)
4 = Disable V32 8 = AT&T 5ESS Custom: Route
8 = Disable 2100hz Analog to Data Port
16 = Disable MNP Handshake 16 = Enable Data Link Delay
32 = Disable V.42 32 = Map LEDs to B-Channels
48 = Disable V.42 Detect Phase 64 = Disable B-Chan. LED Blink
64 = Reserved 128 = Reserved
128 = Unusual SW-Incompatibility S68 ISDN Universal Connect
S28 V32 Handshake Time (1/10sec) 1 = Disallow Analog Connects
S29 Reserved Over Digital Connections