Zoom 2812 Owner's Manual page 53

\G1 Enables XON/XOFF (modem-to-modem) flow control
Comman Function
d
\Kn Defines break type
\N0 Normal data link with speed buffering; no error
correction
\N1 Selects serial interface; same as &Q0
\N2 Selects reliable (error correction) mode (first LAPM, then
MNP)
\N3 Selects auto-reliable mode (LAPM, MNP, Normal)
\N4 LAPM error correction only
\N5 MNP error correction only
\V=0 Disables Single Line Connect Message
\V=1 Enables Single Line Connect Message, where the format
is: CONNECT <DTE speed></Modulation></Protocol>
</Compression></Line speed>
-SDR=0 Disables Distinctive
Ring.
-SDR=1 Enables Type 1
-SDR=2 Enables Type 2
-SDR=3 Enables Type 1 & 2
-SDR=4 Enables Type 3
-SDR=5 Enables Type 1 & 3
-SDR=6 Enables Type 2 & 3
-SDR=7 Enables Type 1, 2, & 3
$$R0 Disables Distinctive Ring.
$$R2 Enables Distinctive Ring. Cadences are:
A = 2 seconds on, 4 seconds off
B = 0.8 sec. ON, 0.4 sec. OFF; 0.8 sec. ON, 4 sec. OFF
D = 0.4 sec. ON, 0.2 sec. OFF; 0.4 sec. ON, 0.2 sec.
OFF; 0.8 sec. ON, 4 sec. OFF
or
D = 0.3 sec. ON, 0.2 sec. OFF; 1 sec. ON, 0.2 sec. OFF; 0.3
sec. ON, 4 sec. OFF
-K0 Disables V.42 LAPM to MNP10 conversion
-K1 Enables V.42 LAPM to MNP10 conversion
-K2 Enables V.42 LAPM to MNP10 conversion; inhibits MNP
Extended Services initiation during V.42 LAPM answer
mode detection
-Q0 Disables MNP 10 fallback to 2400 bps
-Q1 Enables MNP 10 fallback to 2400 bps
-SEC=0 Disables MNP10-EC operation
-SEC=1 Enables MNP10-EC operation
:E0 Disables V.32 compromise equalizer
Appendix E: AT Commands
Ring Cadence
Type
1 2 sec. ON, 4
sec. OFF
2 0.8 sec. ON, 0.4
sec. OFF, 0.8 sec.
ON, 4 sec. OFF
3 0.4 sec. ON, 0.2
sec. OFF, 0.4 sec.
ON, 0.2 sec. OFF,
0.8 sec. ON, 4
sec. OFF
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