NETGEAR XM128 ISDN - Manual (Page 126)

Reference Guide for the Model XM128 ISDN Digital Modem
D-12 Status Registers and Result Codes
S84= 3 8 8 Displays S-register value in hex
format.
4 0 * 0 Indicates Caller ID after the 1st
RING message.
16 10 Disables Caller ID indication.
5 0 0 PHONE 1 (Model XM128 modem)
or analog port (2864I) has higher
priority for answering an analog
call. &L0
32 20 PHONE 2 (Model XM128 modem)
or internal device (2864I) has
higher priority for answering an
analog call. &L1
S85= DCA function
0 0 *0 DCA function is disabled. CE0
1 *1 DCA function is enabled. CE1
1-6 *0 Add-persist time interval. KAxn
7 0 0 S85b1-6 is in Second unit. KASn
128 80 S85b1-6 is in Minute unit. KAMn
S86= D channel protocol selection
(USA); this register is valid only for
American version. Pn
0 0 Northern Telecom proprietary
ISDN.
1 1 National ISDN 1 (1 SPID mode).
2 2 National ISDN 1 (2 SPID mode).
3 3 Reserved.
4 4 AT&T proprietary point-to-point.
5 5 AT&T proprietary
point-to-multipoint (1 SPID mode).
6 6 AT&T custom point-to-multipoint
(2 SPID mode).
Table D-4. Extended S-registers ATSn=x (continued)
Command Bit Decimal Hexadecimal
Function and
description Default or
reference