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Equipment description
553-2731-100
Standard 5.00
April 2000
The QMT12 supports four basic modes of synchronous data transmission
operation:
•
terminal to terminal
•
terminal to digital network
•
terminal to modem
•
terminal loopback test
While the QMT12 is equipped with a V.35 CCITT interface, wire changes
within the module can be used to establish an RS-232-C interface.
Note: Unless stated otherwise, all further ADM references in this
publication imply QMT7, QMT8, and QMT12.
Data Line Card
The DLC is located in a Peripheral Equipment (PE) shelf. It encodes
information streams received from the ADM and routes this information
through the Meridian 1 switching network to the called data facility
(computer or terminal).
The QPC311 DLC supports two SL-1 telephones and two ADMs, either in
independent or paired operation. The DLC data ports can support two
MCDS-AC ports, two CIC ports, two ASIMs or two CIMs. Microprocessor
control allows the DLC to separate incoming voice signals, data signals, and
actual data, and route this information through the switching network.
The DLC contains an option switch used to link or isolate operation of each
SL-1/ADM circuit pair as required and jumper positions for wire gauge
selection.
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