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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Data Communications
Page 5-10About Data and Video Communications
5
MLX Voice and Modem Data 5
This type of analog data station includes an MLX telephone in addition to the DTE
and modem (see Figure 5–3
). The modem connects to the MLX telephone
through the T/R interface of the Multi-Function Module (MFM), which is installed in
the MLX telephone. The telephone connects to the control unit through an MLX
extension jack. The communication capabilities of the MLX telephone and data
station can be used simultaneously.
Figure 5–3. MLX Voice and Modem Data
Analog
Signal
Digital
Signal
T/R
Digital
Signal
Data Station
MERLIN
LEGEND
Control
Unit
DCEDTE
Credit Card
Verification
PC Terminal
Host
Computer
Modem
MLX Telephone/
with Multi-Function
Module (MFM)
Analog or Tip/Ring
Extension Jack
MLX
Extension Jack
Optical
Scanner
Fax
ABCDEF
GHIJKL
MNO
PQRSTUVWXYZ
OPER
123
456
789
0
#
*
Message
MLX-20L
Volum e
v
v
Feature
HFAI
Mute
Speaker Hold
Drop
Conf
Transfer
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