ATT DEFINITY Communications System Generic 3 Planning And Configuration Instructions Manual

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Modular Trunk Data Module (MTDM)
The MTDM provides an EIA-232C DTE interface for  connection to off-premises  (out-of-building)
private-line trunk facilities or a switched telecommunications network, and a DCP interface for
connection to the switch.  The MTDM may also serve as part of a conversion resource for
modem pooling.  The MTDM is also used to interface with DCE-type multiplexers.
Modular Processor Data Module (MPDM)
The MPDM...

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3270 Data Module
The 3270 Data Module provides a Category A coaxial DCE interface for connection to 3270-type
data terminals or a cluster controller.  It also provides a DCP interface connection to the digital
switch.
The 3270 is available in the following three models:
d3270T (Terminal)ÐConnects to a Category A 3270-type terminal, such as the  3278 Infor-
mation Delivery System.  The 3270T Data Module must connect through the...

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Data Communications Adjuncts
Adjunct equipment may be connected to the switch without any unique switched-based call pro-
cessing, administration, or maintenance capabilities.  In addition to the Z3A Message Waiting
Indicator, DEFINITY Generic 1 and Generic 3 can support the following adjuncts:
dEIA terminal such as the 4410 BCT (TTY 5410) and 4415 (TTY 5420)
dPersonal computers, such as the AT&T PC 6300, PC 7300, PC 6312, or 6386 Work-...

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513
BCT
HOST
COMPUTER
BCT500
515 BCTSSI
RS-232
RS-232
RS-232 PROTOCOL
CONVERTER
DIGITAL LINE CP
DIGITAL
LINE CP
DIGITAL
LINE CP
DATA
TERMINAL
EQUIPMENT
HOST
COMPUTER
OR DATA
SERVICE
UNIT
OR DATA
SERVICE
UNITMODEMMODEM
PART OF DIGITAL SWITCH
DIGITAL
LINE CP
DIGITAL
LINE CP 3270A OR
3270T
DATA
MODULE
3270C
DATA
MODULE CATEGORY 1
COAXIAL
CATEGORY 1
COAXIAL3270-TYPE
DATA
TERMINAL
CLUSTER
CONTROLLER HOST
COMPUTER
DCP
DCP
DCP DCPDCP...

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LINE CP
DATA
TERMINAL
EQUIPMENT
PART OF DIGITAL SWITCH
LINE CP MTDM
MODEMEIADCPDATA
ADUAIM
ADUINFORMATION
NETWORK
AIM INFORMATION
NETWORKADAPTER RS-232C
DCP
DCPPROTOCOL
CONVERTERFRONT
END
PROCESSORBISYNC OR
SVA HOST
COMBINED
MODEM
POOLDIGITAL
LINE CP DCP DCP DATA SERVICE
DCP MULTIPLEXER
DATA
SERVICE
FACILITIES LINE 
TO PRIVATE
FACILITIES LINE 
ANALOG
MPDM
MPDM MPDM MPDM UNIT OR MODEMMTDM
UNIT OR
MODEM
SYSTEMS
SYSTEMS
OR
7400A
DATA
MODULE...

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Display Terminals and Printers
The DEFINITY Communications System Generic 1 and Generic 3 is compatible with terminals
and printers having EIA-232C or DCP interfaces.
System access for administration of DEFINITY Communications System Generic 1 and Generic
3 is performed by a Manager I terminal for G1 and G3i or G3r-MT for G3r, a Remote Administra-
tion terminal (that is, a Manager I or G3r-MT terminal that is more than 50 feet...

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TABLE J.  System Data Terminals
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Terminal/
(Protocol) Description Application
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510D
(DCP)See DEFINITYÒCommunications
System Generic 1 and System 75 and
System 85 ÐTerminals and Adjuncts Ð
Reference
, 555-015-201.dExecutive Voice/Data Terminal
dRemote...

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Table K provides a listing of the system printers and their typical applications.
TABLE K.  System Printers
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Printer Description Applicationbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
d132 Columns
dMatrix printer
dTractor feed
d30 characters per second (cps)
dDraft quality output
dSSI...

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TABLE K (continued).
System Printers
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Printer Description Applicationbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
dDesktop Dot Matrix
dDraft quality
d120 cps or 10 cps
dInterface Options:
± IBM computer
± CentronicsPrints data received under direction of a
communications processor or controller. 470...

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Distributed Communications System (DCS)
Distributed Communications System (DCS) allows two or more switches to provide transparency
for certain attendant and voice terminal features as if the cluster were a single large switch.  DCS
simplifies dialing procedures between locations and allows the use of some of the systems
features between locations.  To clarify this further, if you have two switches in the same company
that are...