AT&T MERLIN LEGEND Installation & Maintenance Manual page 167

Installation
Data Module Features
The data module offers the following features:
Asynchronous Features
RS-232 interface
asynchronous full-duplex operation
selected data rates of 300, 1200, 2400, 4800, 9600, and
19,200 bps
data options set via the data terminal attached to the RS-232
interface
ability to change options without dropping a data call
autobaud (also called data metering or speed matching), or
the ability to adjust the speed of transmission to match the
speed of the data terminal being called
auto-adjust, or the ability to adjust to the speed and parity of
the data terminal being used
call setup (dialing) from the keyboard of an ASCII data
terminal by using the local command (CMD) mode or AT
mode
automatic or manual answering of incoming data calls
Synchronous Features with Multipurpose Enhancement
Board
RS-232 interface
half- or full-duplex operation using the RS-232 interface at
data rates of 1200, 2400, 4800, 9600, and 19,200 using data
transport Mode 2
half- or full-duplex operation at 56 kbps via the V.35 interface
adapter cable
Data Adapters 3-59