txc-03456 TranSwitch Corporation, txc-03456 Datasheet - Page 3

• Manufacturer Part Number: txc-03456
• Description: Device Level Mapper
• Manufacturer: TranSwitch Corporation

POHDIS
RPOHD
RPOHC
ROCHC
ROCHD
TOCHC
TOCHD
DROPT
RPOHF
TPOHD
TPOHC
TPOHF
ENABT
RESET
AISIND
RAIPD
Alarms
DC1J1
HIGHZ
AC1J1
TAIPD
TAIPC
TAIPF
APAR
DSPE
DPAR
EXC1
EXTC
ACLK
ASPE
PTEN
DCLK
ADD
AC1
DC1
DDn
ADn
BLOCK DIAGRAM
SDH/SONET SIDE
5
8
8
INDICATION
OVERHEAD
CHANNEL
BLOCK
DROP
BLOCK
ALARM
COMM
PORT
POH
ADD
I/O
I/O
TRACKING
POINTER
BLOCK
BLOCK
BUILD
Note: n = 7 - 0
DECODE
BLOCK
Figure 1. L4M TXC-03456 Block Diagram
STUFF/
BLOCK
SYNC
DESTUFF
BLOCK
ALIGNMENT
DETECTOR
TRANSMIT
RAM
FRAME
DATA SHEET
PERFORMANCE
- 3 -
MONITORING
DETECTOR
RECEIVE
DESYNC
BLOCK
AIS
PERFORMANCE
MONITORING
DETECTOR
TRANSMIT
AIS
ALIGNMENT
DETECTOR
BOUNDARY
RECEIVE
BLOCK
INPUT
FRAME
OUTPUT
BLOCK
SCAN
I/O
P
6
8
8
8
8
EXLOS
TXDn
TXC
NIB
RXDn
RXCO
RXCI
TCK
TMS
TDI
TRS
TDO
DESYNC
SIGNALS
INTEL
D7 - D0
Unused
A7 - A0
SEL
RD
WR
RDY
INT
MOTO
MADBUS
RAMCI
(TWO BUSES) (MULTIPLEXED)
MOTOROLA
D7 - D0
Unused
A7 - A0
SEL
RD/WR
Unused
DTACK
IRQ
Ed. 1A, January 2000
LINE SIDE
TXC-03456
TXC-03456-MB
MOTOROLA
MAD7 - MAD0
AS
Unused
SEL
RD/WR
DS
DTACK
IRQ
L4M