T8207-BAL-DT Agere Systems, Inc., T8207-BAL-DT Datasheet - Page 35

• Manufacturer Part Number: T8207-BAL-DT
• Description: CelXpres ATM interconnect. Dry-bagget, tape & reel .
• Manufacturer: Agere Systems, Inc.

Advance Data Sheet
September 2001
Agere Systems Inc.
8
This look-up procedure is outlined in the flow diagram below.
Look-Up Table
NO
OR LUTX_VPI_CHECK
FROM ATM CELL
VPI BITS ALL ‘0’
OAM RECORD
READ VPI
READ VPI
VCI < 32?
P bit = 1 ?
RECORD
READ VP
HEADER
UNUSED
CELL IN
I bit = 0?
I bit = 0?
C1 & C0
C1 & C0
A bit = 1
E bit = 1
A bit = 1
= “00” ?
= “10” ?
= ‘0’?
AND
AND
AND
VCI
YES
YES
YES
YES
NO
NO
NO
(continued)
YES
YES
YES
NO
NO
NO
ROUTING FROM
ROUTING FROM
ROUTING FROM
TRANSLATION;
TRANSLATION;
Figure 7. Translation RAM Flow Diagram
OAM RECORD
OAM RECORD
PRESERVED;
DISCARDED
DISCARDED
VP RECORD
DISCARDED
VPI/VCI
VPI/VCI
CELL
CELL
CELL
VPI
NO
FROM ATM CELL
ROUTING FROM
OAM RECORD
TRANSLATION;
PTI[2] = ‘1’?
VC RECORD
READ VCI
READ VCI
READ VC
RECORD
HEADER
RANGE?
I bit = 0?
I bit = 0?
A bit = 1
E bit = 1
A bit = 1
C1 & C0
C1 & C0
= “00” ?
= “10” ?
VCI IN
VPI/VCI
AND
AND
AND
VCI
YES
YES
YES
YES
NO
NO
YES
YES
NO
NO
NO
ATM Interconnect
ROUTING FROM
ROUTING FROM
TRANSLATION;
OAM RECORD
OAM RECORD
PRESERVED;
DISCARDED
DISCARDED
DISCARDED
CelXpres T8207
VPI/VCI
VPI/VCI
CELL
CELL
CELL
5-7781F and 5-7782F
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