T1 Connection - NEC Electra Elite 48/192 Features And Specifications Manual

T1 Connection

FEATURE
DESCRIPTION
SYSTEM
AVAILABILITY
OPERATING
PROCEDURES
SERVICE
CONDITIONS
Features and Specifications Manual
T1 Connection allows the system to be connected directly to FT1 carrier links
using a public or private network. The Digital Trunk Interface, DTI-U10/20
ETU, provides for different types of trunk signaling with FT1 carrier links using
System Programming. The DTI-U10/20 ETU supports Loop Start/Ground
Start, Tie line/DID trunks.
System Software S3000 or higher is required for the DTI-U10 ETU to
support Feature Group D incoming only signaling.
System Software S4500 or higher is required for the DTI-U20 ETU to
support Feature Group D incoming MF/outgoing DTMF signaling.
Terminal Type:
All Multiline Terminals
Required Components:
DTI-U10/20 ETU
Phase Lock Oscillator, CLKG-U10 Unit: Piggybacked on either the
CPUB( )-U10 ETU for the Electra Elite 192 system or on the MBD-U10 Unit in
the B48-U10 KSU for Electra Elite 48 system, for network synchronization
Locally provided CSU (Channel Service Unit) must be installed
Same as Analog Trunk Operations.
Data Assignment:
Use Memory Block 1-8-33 (Master Clock Selection) to assign the source
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for system clocking synchronization.
Use Memory Block 1-11-00 (T1 Signal Format Selection) to specify T1
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Signal format. Default is 12 (SF).
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