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STANDARD PRODUCT
PM8315 TEMUX
DATASHEET
PMC-1981125
ISSUE 7
HIGH DENSITY T1/E1 FRAMER WITH
INTEGRATED VT/TU MAPPER AND M13 MUX
PROPRIETARY AND CONFIDENTIAL
i
CONTENTS
1
FEATURES.............................................................................................. 1
2
APPLICATIONS..................................................................................... 15
3
REFERENCES....................................................................................... 16
4
APPLICATION EXAMPLES................................................................... 20
5
BLOCK DIAGRAM................................................................................. 21
5.1
TOP LEVEL BLOCK DIAGRAM.................................................. 21
5.2
M13 MULTIPLEXER MODE BLOCK DIAGRAM......................... 23
5.3
VT/TU MAPPER ONLY MODE BLOCK DIAGRAM..................... 23
5.4
DS3 FRAMER ONLY BLOCK DIAGRAM.................................... 24
6
DESCRIPTION ...................................................................................... 26
7
PIN DIAGRAM ....................................................................................... 31
8
PIN DESCRIPTION................................................................................ 32
9
FUNCTIONAL DESCRIPTION............................................................... 70
9.1
T1 FRAMER (T1-FRMR)............................................................. 70
9.2
E1 FRAMER (E1-FRMR)............................................................. 70
1.3
PERFORMANCE MONITOR COUNTERS (T1/E1-PMON)......... 77
1.4
BIT ORIENTED CODE DETECTOR (RBOC).............................. 78
1.5
HDLC RECEIVER (RDLC).......................................................... 78
1.6
T1 ALARM INTEGRATOR (ALMI)............................................... 79
1.7
ELASTIC STORE (ELST)............................................................ 80
1.8
SIGNALING ELASTIC STORES (RX-SIG-ELST AND
TX_SIG-ELST)............................................................................ 80