Additional Result Code Subsets (&An) - US Robotics COURIER User Manual

COURIER HIGH SPEED MODEMS
Additional Result Code Subsets (&An)
Use this command to enable/ disable one of the following sub-
sets of error control, modulation or protocol result codes.
&AO ARQ (error control) codes are disabled. This setting does
not affect an error-control connection; the modem returns
the standard CONNECT messages if result codes are
enabled.
&Al ARQ codes are enabled. One of the following results is
sent to the screen when a successful error control
connection is established. Message 14 is displayed if the
modem is set to XO and the connection is at any rate from
1200 to 14.4K bps. The remaining results indicate the
connection rate and require a setting of Xl or higher.
14/CONNECT / ARQ 22/CONNECT 12000/ ARQ
15/CONNECT 1200/ ARQ 24/CONNECT 7200/ ARQ
16/CONNECT 2400/ ARQ 26/CONNECT 14400/ ARQ
17 /CONNECT 9600/ ARQ 47 /CONNECT 16800/ ARQ
19/CONNECT 4800/ ARQ
&A2 HST /V32 modulation codes are enabled. This option is
included for users of HST Dual Standard modems. If
your software cannot handle the added modulation
information, select &Al or &AO.
23/CONNECT 9600/HST or 33/CONNECT 9600/V32
27 /CONNECT 9600/ ARQ/HST or 37 /CONNECT 9600/ ARQ/V32
28/CONNECT 4800/HST or 38/CONNECT 4800/V32
29/CONNECT 4800/ ARQ/HST or 39/CONNECT 4800/ ARQ/V32
30/CONNECT 7200/HST or 40/CONNECT 7200/V32
34/CONNECT 7200/ ARQ/HST or 44/CONNECT 7200/ ARQ/V32
31/CONNECT 12000/HST or 41/CONNECT 12000/V32
32/CONNECT 12000/ ARQ/HST or 42/CONNECT 12000/ ARQ/V32
35/CONNECT 14400/HST or 45/CONNECT 14400/V32
36/CONNECT 14400/ ARQ/HST or 46/CONNECT 14400/ ARQ/V32
53/CONNECT 16800/HST or 57/CONNECT16800/ ARQ/HST
&A3 Protocol codes are enabled. Error control protocols
reported are: HST, LAPM, or MNP. When the call is not
under one of those protocols (and ARQ is not included in
the result code), the modem reports either SYNC, indicat-
ing a synchronous connection, or NONE, for no protocol.
If the modems are using data compression, the type of
compression, V42BIS or MNPS, is added to the result
code. In the first of the following examples, the modems
negotiated error control for the call (ARQ), used HST
5-6 Internal Controls
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