tmxf28155 ETC-unknow, tmxf28155 Datasheet - Page 400

• Manufacturer Part Number: tmxf28155
• Description: Tmxf28155 Super Mapper 155/51 Mbits/s Sonet/sdh X28/x21 Ds1/e1
• Manufacturer: ETC-unknow

155/51 Mbits/s SONET/SDH x28/x21 DS1/E1
18 SPE Mapper Functional Description
400
DS3_SRC_TYPE
VT_DS3
Figure 31. Basic Functional Flow of the SPE Mapper Transmit Section
INTERFACE
MUX
VT_DS3
MICRO-
51.84 MHz CLOCK, CONTROL FROM TMUX
DS3_SRC_TYPE
51.84 MHz CLOCK FROM TMUX
DECODE
VT_DS3
B3ZS
TELECOM BUS DATA[7:0], CLOCK, PARITY, SYNC (19.44 MHz OR 6.48 MHz)
DS3 INPUT CONTROL &
SERIAL-TO-PARALLEL
CONTAINER C-3
MAPPED AS
CONVERSION
MUX
DS3
FIFO
AU3_TUG3
MAPPER
M13
TO/FROM TMUX TRANSMIT SIDE
84 x 9 bytes
TUG2_NO[2:0]
TUG3_NO[1:0]
OF FIXED STUFFING
TU11_TU12
AU3_TUG3
ADD 2 COLUMNS
(continued)
AU-3 MAPPER
CONTROL
MAPPER
TUG-2
INPUT
VT/TU
87 x 9 bytes
84 x 9 bytes
TUG-2
C-3
VT_DS3
CONTROL CIRCUITRY
OUTPUT (87 x 9 bytes)
84 x 9
bytes
AU3_TUG3
TUG-3 OR AU-3
PATH OVERHEAD
VT_DS3
POAC CHANNEL
MUX
OVERHEAD
INSERTION
85 x 9 bytes
INSERT
PATH
87 x 9 bytes
OF FIXED STUFFING &
TU-3 PTR BYTES
TUG-3 MAPPER
ADD 1 COLUMN
87 x 9 bytes
AU3_TUG3
VT_DS3
STS3_TIMESLOT
TELECOM BUS
VT_DS3
CLOCK
AU3_TUG3
VT_DS3
Agere Systems Inc.
May 2001
5-9066(F)