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Электронный компонент: PM8313

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PMC-920522 (R10)
1998 PMC-Sierra, Inc. October, 1998
PM8313
PMC-Sierra,Inc.
M13 Multiplexer/Demultiplexer
D3MX
FEATURES
Integrates a complete M13 multiplexer/
demultiplexer in a single monolithic
device.
Integral framer supports the M23 or C-
bit parity DS3 format with path
maintenance datalink processing and
bit-oriented code support for Far-End
Alarm and Control (FEAC) channel
termination.
Supports either the M12 or the G.747
formats to allow DS1 or E1 signals to
be multiplexed into a DS3 signal.
Allows the M12 stages to be bypassed
allowing direct input of DS2 signals.
Generates an interrupt upon detection
of various alarms, events, or changes
in status. Identification of interrupt
sources, masking of interrupt sources,
and acknowledgement of interrupts is
provided via internal registers.
Application-compatible with the
PM4351 COMET T1 Transceiver,
PM4341A T1XC T1 Transceiver,
PM4344 TQUAD Quad T1 Framer,
PM4388 TOCTL Octal T1 Framer,
PM6341 E1XC E1 Transceiver,
PM6344 EQUAD Quad E1 Framer,
PM6388 EOCTL Octal E1 Framer,
PM4314 QDSX Quad E1/T1 LIU, and
the PM7344 S/UNI
-MPH.
Provides a generic 8-bit
microprocessor interface for
configuration, control, and status
monitoring.
Low power 5 V CMOS technology.
Available in a high density (28 by
28 mm) 208-pin Plastic Quad Flat
Pack (PQFP) package.
DS3 FRAMER SECTION
Detects/inserts DS3 Alarm Indication
Signal (AIS) and Idle signal - operates
correctly in the presence of 10-3 Bit
Error Ratio (BER).
Extracts/inserts the X,P,M,F,C and the
stuff opportunity bits and serializes for
optional external processing.
Extracts/inserts the C-bit parity mode
path maintenance datalink and
serializes for optional external
processing.
Extracts/inserts the C-bit parity bit-
oriented codes in the FEAC channel.
Detects and accumulates EXcessive
Zeros (EXZ), Loss Of Signal (LOS),
Line Code Violations (LCVs) P-bit,
F-bit, or M-bit errors, C-bit parity errors
and Far-End Block Errors (FEBEs).
Supports DS3 line loopback and DS3
diagnostic loopback modes to assist in
fault isolation.
M23 AND M12 MULTIPLEX/
DEMULTIPLEX SECTIONS
Supports combination of four DS1 bit
streams or the combination of three E1
bit streams per G.747 into a single
M12 stream.
Supports per-DS2 payload loopback
requests via C-bits or microprocessor
control.
Accumulates DS2 M-bit, F-bit, and
G.747 framing bit/word error events.
Supports DS2 AIS assertion based on
DS3 LOF, or under microprocessor
control.
Supports DS2 tributary AIS activation/
deactivation in either direction under
microprocessor control.
Inserts/detects per-DS1 payload
loopback requests transmitted via
C-bits.
APPLICATIONS
M23 or C-Bit Parity Format DS1 to
DS3 Mux/Demux Equipment
Fractional T3 Access Equipment
DS2-to-DS3 Mux/Demux Equipment
DS1-to-DS3 Mux/Demux Equipment
Supporting G.747 Tributary Format
BLOCK DIAGRAM
D[
7:
0]
A
[
7:
0]
A8
/T
R
S
AL
E
CS
B
WR
B
RDB
IN
T
B
TD1CLK[28:5]
TD1DAT[28:5]
RD1CLK[28:5]
RD1DAT[28:5]
One of seven M12
#1
RBOC
Receive
FEAC
DS2
FRMR
Framer
XBOC
Transmit
FEAC
RD1CLK4
RD1DAT4
RD1CLK[3:1]
RD1DAT[3:1]
TD1CLK4
TD1DAT4
RD1DAT[3:1]
RD1CLK[3:1]
Remaining Six M12
#2 - #7
PMON
Perfor-
mance
Monitor
Counters
FRMR
DS3 Receive
Framer
B3ZS
Decode
TRAN
DS3 Transmit
Framer
B3ZS
Decode
Tx
O/H
Access
MX23
M23
MUX/DEMUX
RFDL
Receive
HDLC
MPIF
Microprocessor
Interface
RS
T
B
RO
HF
P
,
RO
H,
RLO
S
,
RE
X
Z
,
RAIS
, RO
O
F
/
RRE
D,
RF
E
R
F
RO
CLK
,
RO
DA
T
,
RM
F
P
, RM
S
F
P
,
RO
HP
,
RO
HCL
K
RDLCLK
/
RDLINT
RDLS
I
G
/
RDL
E
O
M
RCLK/VCLK
RPOS/RDAT
RNEG/RLCV
TCLK
TPOS/TDAT
TNEG/TMFP
TD
L
E
O
M
I
TD
L
C
L
K
/
T
D
L
I
N
T
T
D
L
S
IG
/T
DLUDR
TOH
TOH
E
N
T
O
HCLK
TI
M
F
P
TOH
F
P
TI
C
L
K
XFDL
Transmit
HDLC
GD2CLK
MX12
M12
MUX/
DEMUX
Rx
O/H
Access
TD
2
C
L
K
Head Office:
PMC-Sierra, Inc.
#105 - 8555 Baxter Place
Burnaby, B.C. V5A 4V7
Canada
Tel: 604.415.6000
Fax: 604.415.6200
PM8313 D3MX
M13 Multiplexer/Demultiplexer
To order documentation,
send email to:
document@pmc-sierra.com
or contact the head office,
Attn: Document Coordinator
All product documentation is available
on our web site at:
http://www.pmc-sierra.com
For corporate information,
send email to:
info@pmc-sierra.com
PMC-920522 (R10)
1998 PMC-Sierra, Inc.
October, 1998
S/UNI is a registered
trademark of PMC-Sierra,
Inc.
TYPICAL APPLICATIONS
DS3 TERMINAL MULTIPLEXER OR DIGITAL CROSS-CONNECT
HYBRID MULTIPLEXER-28xDS1 (ANSI FORMAT) OR 21xE1 (ITU G.747 FORMAT) TO DS3
PM8313
'0;
M13 Multiplexer/Demultiplexer
DS3
Line
Interface Unit
(LIU)
PM4388
TOCTL
Octal T1 Framer
Synchronous
DS0
Backplane
PM4388
TOCTL
Octal T1 Framer
PM4388
TOCTL
Octal T1 Framer
PM4388
TOCTL
Octal T1 Framer