Advance Information
MT89L85
8 Input Streams
From MVIP
MT89L85 #1
CSTo
8 Output Streams
to MVIP
MVIP Direction
8 Input On-Board
ST-BUS Streams
MT89L85 #2
CSTo
8 Output On-Board
ST-BUS Streams
MVIP Enable
MT89L85
#3
MT89L85
#4
Figure 9 - 512-Channel Switch Array
MVIP HEADER
MVIP STo0-7
FDL HDLC
MT8952B
SWITCH
MT89L85
512 Channel
Switch Matrix
MVIP STi0-7
SWITCH
MT89L85
FDL HDLC
MT8952B
T1/E1
MH89760B
or
MH89790B
HDLC
MT8952B
DPLL
MT8941
ANALOG
D-PHONE
MT8992/93
PC INTERFACE
SWITCH
MT89L85
SWITCH
MT89L85
T1/E1
MH89760B
or
MH89790B
HDLC
MT8952B
Figure 10 - Dual T1/E1 Card Functional Block Diagram
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