AT&T Definity 6402D Especificaciones Pagina 718

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Data Modules
21-60 Issue 11 December 1999
The Trunk Data Module (TDM)
Figure 21-20. The Trunk Data Module, the Stand-alone Model
The TDM provides an RS-232-C DTE interface for connection to off-premises
private line trunk facilities or a switched network telecommunications network and
a DCP interface for connection to the digital switch.
POWER
TEST IN
CALL IN
TRUNK DATA MODULE
CHECK
OPTIONS
LINE
STATUS
CARRIER
ONPROGRESS
PROGRESS
DATA SET
READY
ORIGINATE
DISCONNECT
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