Black Box 3600 MODEM Manual Do Utilizador
Status Registers
Modem 3600
10-23
Operating Mode S70
The S70 register determines the protocol operating mode and action
taken on an MNP link attempt failure. LAPM is assigned highest
priority.
taken on an MNP link attempt failure. LAPM is assigned highest
priority.
Example: With \N7 selected the modem tries an LAPM connection
first; if unsuccessful the modem tries an MNP connection; if also
unsuccessful, the modem connects in normal mode. Modes allowing
protocol fallback are referred to as auto-reliable.
first; if unsuccessful the modem tries an MNP connection; if also
unsuccessful, the modem connects in normal mode. Modes allowing
protocol fallback are referred to as auto-reliable.
Operating Mode Status S71
The S71 register indicates the level of error controlling protocol. This
register is for reference only.
register is for reference only.
Bit
Value
Command Description
2-0
000
001
010
011
100
101
110
111
001
010
011
100
101
110
111
\N
\N1
\N2
\N3
\N4
\N5
\N6
\N7
\N1
\N2
\N3
\N4
\N5
\N6
\N7
Normal
Direct
MNP only (reliable)
MNP or normal (auto-reliable)
LAPM only (reliable)
LAPM or normal (auto-reliable)
LAPM or MNP only (auto-reliable)
LAPM or MNP or native (auto-
reliable)
Direct
MNP only (reliable)
MNP or normal (auto-reliable)
LAPM only (reliable)
LAPM or normal (auto-reliable)
LAPM or MNP only (auto-reliable)
LAPM or MNP or native (auto-
reliable)
3
0
1
1
\M
\M1
\M1
Disable V.42 fast detect
Enable V.42 fast detect
Enable V.42 fast detect
7-4
--
--
Reserved
Bit
Value
Command Description
2-0
000
001
010
011
100
101
110
111
001
010
011
100
101
110
111
--
Protocol not active
Protocol negotiation in progress
MNP level 2 active
MNP level 3 active
MNP level 4 active
MNP level 5 active
LAPM active
LAPM with data compression active
Protocol negotiation in progress
MNP level 2 active
MNP level 3 active
MNP level 4 active
MNP level 5 active
LAPM active
LAPM with data compression active
7-3
--
--
Reserved