Paradyne COMSPHERE 3800PLUS User Manual page 155

AT Command
S28 SDC Negotiation
Controls negotiation between two modems attempting to connect using
SDC.
Register has the following values:
0 = LAPM_Buffer
1 = LAPM_Discon
The factory setting is LAPM_Buffer.
S29 SDC Idle Fill
Determines whether the modem uses an HDLC flag or mark to fill the time
between DTE frame transfers.
Register has the following values:
0 = Flag_Fill
1 = Mark_Fill
The factory setting is Flag_Fill.
S30 Sync DTE Rate
Identifies the synchronous DTE's operating rate to the modem.
Register has the following values:
0 = 128,000 bps
1 = 115,200 bps
2 = 112,000 bps
3 = 96,000 bps
4 = 76,800 bps
5 = 72,000 bps
6 = 64,000 bps
7 = 57,600 bps
8 = 56,000 bps
9 = 48,000 bps
10 = 38,400 bps
11 = 28,800 bps
12 = 19,200 bps
13 = 14,400 bps
14 = 9600 bps
15 = 4800 bps
16 = 2400 bps
17 = 1200 bps
The factory setting is 128,000 bps.
S31 SDC Bit Encoding
Determines the type of bit encoding used when transmitting synchronous
DTE data.
Register has the following values:
0 = NRZ
1 = NRZI
The factory setting is NRZ.
3980-A2-GB30-40
Table 13-2
(4 of 15)
3800 Plus S-Registers
Description
October 1998
AT Command Set and S-Registers
Front Panel Branch
Configure\Edit\
V42/MNP/Buffer
Configure\Edit\
V42/MNP/Buffer
Configure\Edit\ DTE
Interface
Configure\Edit\
V42/MNP/Buffer
13-21