Specifications

TAC Access to Coprocessor – Communications Modem Description and Configuration
12/01 Application ModuleX Service 109
Honeywell
Required modem
configuration
register data
The following table contains the required configuration register data to
make it support the TAC access connection.
Table 7-2 U.S. Robotics 9600 Configuration Register Data
Register Description
B0 Needed to answer above 4800
E0 Local echo off
F1 Local echo of transmitted data off (full duplex)
M1 Speaker on until carrier established
Q1 Result codes suppressed
V0 Numeric result codes
X0 Result code messages (min)
&A0 Disable additional ARQ result codes
&B1 Serial port remains fixed at last AT command (during configuration of the modem)
&C0 CD override
&D0 Coprocessor must set DTR before modem will accept commands
&G0 No guard tone
&H1 Hardware flow control
&I0 Flow control disabled
&K1 Auto data compression enabled
&M0 Normal mode, error control disabled
&N0 Variable link operations
&P0 Pulse dialing US/Canada
&R1 Ignore RTS
&S0 DSR override
&T5 Prohibit RDL
&Y1 Break handling, destructive expedited
CAUTION
Be certain to perform a save/write (AT&W) to NVRAM
registers after entering the register data.
Modem register
configuration
procedure
The procedure for configuring the U.S. Robotics Sportster 9600 registers
is defined in the product manual supplied from the manufacturer with the
modem.