ZyXEL Elite 2864 User Guide - Page 96

Bit-mapped register; default: 178, S22 Reserved.

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S21 Bit-mapped register; default: 178: Code Bits &D0 (7, 6) &D1 &D2 &D3 &R0 (5) &R1 &C0 (4) &C1 &S0 (3) &S1 M0 (2, 1) M1 M2 M3 *E0 (0) *E1 Bin. Dec. Description 00 0 The modem ignores the DTR signal, DTR is always assumed to be ON. 01 64 108.1; DTR OFF-ON transition causes dial of the default number. DTR OFF causes hangup. 10 128 108.2, Data Terminal Ready, DTR OFF causes the modem to hang up and return to the command state. (Default) 11 192 108.2 + RST; DTR off causes the modem to hang up and reset the modem to profile 0. 0 0 CTS follows RTS in synchronous mode. Response delay is set in S26. 1 32 Ignores RTS (CTS is always ON) in synchronous mode. (Default) 0 0 CD is always ON. 1 16 CD tracks presence of data carrier. (Default; see also S38b3) 0 0 DSR is always ON. (Default) 1 8 DSR according to ITU-T. (See also S44b4, S41b5) 00 0 The speaker is always OFF. 01 2 The speaker is ON until a carrier is detected. (Default) 10 4 The speaker is always ON. 11 6 The speaker is ON after the last digit is dialed out until the carrier detected. 0 0 Maintains a non-error control connection when the error control handshake fails. (Default) 1 1 Drops the connection if no error control is possible. S22 Reserved. 8-10

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8–10
S21
Bit-mapped register; default: 178:
S22 Reserved.
Code
Bits
Bin.
Dec.
Description
&D0
(7, 6)
00
0
The modem ignores the DTR signal, DTR is
always assumed to be ON.
&D1
01
64
108.1; DTR OFF-ON transition causes dial of
the default number. DTR OFF causes hang-
up.
&D2
10
128
108.2, Data Terminal Ready, DTR OFF
causes the modem to hang up and return to
the command state. (Default)
&D3
11
192
108.2 + RST; DTR off causes the modem to
hang up and reset the modem to profile 0.
&R0
(5)
0
0
CTS follows RTS in synchronous mode.
Response delay is set in
S26
.
&R1
1
32
Ignores RTS (CTS is always ON) in synchro-
nous mode. (Default)
&C0
(4)
0
0
CD is always ON.
&C1
1
16
CD tracks presence of data carrier. (Default;
see also
S38b3
)
&S0
(3)
0
0
DSR is always ON. (Default)
&S1
1
8
DSR according to ITU-T. (See also
S44b4
,
S41b5
)
M0
(2, 1)
00
0
The speaker is always OFF.
M1
01
2
The speaker is ON until a carrier is detected.
(Default)
M2
10
4
The speaker is always ON.
M3
11
6
The speaker is ON after the last digit is dialed
out until the carrier detected.
*E0
(0)
0
0
Maintains a non-error control connection
when the error control handshake fails.
(Default)
*E1
1
1
Drops the connection if no error control is
possible.