XRT94L33IB-L Exar Corporation, XRT94L33IB-L Datasheet - Page 333

• Manufacturer Part Number: XRT94L33IB-L
• Description: IC MAPPER DS3/E3/STS-1 504TBGA
• Manufacturer: Exar Corporation

Specifications of XRT94L33IB-L

• Applications: Network Switches
• Interface: Bus
• Voltage - Supply: 3.14 V ~ 3.47 V
• Package / Case: 504-LBGA
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

xr
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
• To increment performance monitor registers anytime it detects an REI-L event.
•
Receive STS-3c POH Processor block) upon declaration of the following defect conditions.
Finally, the Receive STS-3 TOH Processor block will route STS-3c SPEs to its corresponding Receive STS-
3c POH Processor block.
Figure 78 presents an illustration of the Functional Block Diagram of the XRT94L33 ATM UNI/PPP IC; with
the “Receive STS-3 TOH Processor” block highlighted.
Figure 78 Illustration of the Functional Block Diagram of the XRT94L33 ATM UNI/PPP IC; with the
Receive STS-3 TOH Processor block highlighted
The operation of the “Receive STS-3 TOH Processor” block is discussed in some detail below.
To (optionally) automatically transmit the AIS-P (Path AIS) indicator, downstream (e.g., towards the
XRT95L34 – Channel 0
STS-3/12
Interface
STS-3/12
Telecom
Interface
Interface
Interface
STS-3/12
STS-3/12
Telecom
STS-3/12
PECL
Block
Block
STS-3/12
PECL
Block
Block
Block
Bus
CDR
Bus
Block
CDR
-
-
-
-
-
-
-
-
RDI-L (Line – Remote Defect Indicator)
SD (Signal Degrade)
SF (Signal Fail)
LOS
LOF
SD
SF
AIS-L
Processor
Transmit
STS-3/12
Processor
Processor
Transmit
STS-3/12
STS-3/12
Processor
Block
Receive
STS-3/12
TOH
Receive
Microprocessor
Block
Block
TOH
TOH
Microprocessor
Block
TOH
Interface
Interface
Block
Block
Processor
Processor
Transmit
STS-3/12
STS-3/12
Processor
Processor
Transmit
Receive
STS-3/12
STS-3/12
Receive
Block
Block
POH
POH
Block
Block
Synthesizer
POH
POH
Synthesizer
Clock
Block
Clock
Block
333
Cell Processor
Cell Processor
Cell Processor
Cell Processor
Processor
Processor
Transmit
Processor
Processor
Transmit
Transmit
Receive
Receive
Receive
Transmit
Block
Block
Receive
Block
ATM
PPP
PPP
Block
Block
Block
ATM
Block
ATM
PPP
PPP
Block
ATM
POS-PHY
POS-PHY
UTOPIA/
Transmit
UTOPIA
Interface
Transmit
Interface
Interface
Interface
POS-PHY
POS-PHY
UTOPIA/
Transmit
Transmit
Receive
Receive
UTOPIA
Interface
Interface
Interface
Interface
Receive
Receive
Block
Block
Block
Block
Block
Block
Block
Block
XRT94L33
Rev.1.2.0.