Lucent Technologies MERLIN LEGEND Release 6.0 System Planning Manual page 238

MERLIN LEGEND Communications System Release 6.0
System Planning 555-660-112
5 Data Communications
About Data and Video Communications
Modem Data-Only
This type of modem data station includes only DTE and a modem (see
Figure 5-2). The modem connects to the control unit through an analog port on a
T/R module. If the modem does not provide dialing capability, a single-line
telephone can be connected to it to provide dial-out capability; however, the data
station and the telephone cannot be used simultaneously.
Optical
Scanner
Fax
Credit Card
Verification
PC Terminal
Host
Computer
Figure 5-2. Modem Data-Only
Data Station
DTE
Digital
Signal
Single-line
Telephone
(if required for dialing)
5
MERLIN
DCE LEGEND
Control
Unit
Analog
Signal
Modem
Issue 1
February 1998
Page 5-9
Analog or Tip/Ring
Extension Jack
MLX
Extension Jack