XRT94L33IB-L Exar Corporation, XRT94L33IB-L Datasheet - Page 307
XRT94L33IB-L
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XRT94L33IB-L
Manufacturer:
Exar Corporation
Quantity:
10 000
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3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
Figure 61 indicates that Bits 5 through 8, within the M0 byte are allocated for the REI-L function.
The purpose of the REI-L function, within the M0 is two-fold.
The role of REI-L is best presented in the practical example below.
Example:
Consider a “Near-End” LTE that is communicating with a remote LTE. This “Near-End” LTE consists of the
Receive STS-3 TOH Processor block and the Transmit STS-3 TOH Processor block, within a given channel
in
1. It permits a piece of Line Terminating Equipment (LTE), which is transmitting STS-3 data to a remote
2. It permits an LTE (which is receiving STS-3c data from a remote LTE) to inform this remote terminal
the
Line Terminating Equipment, to determine whether or not the remote LTE is receiving its Line
Overhead and STS-3c Envelope capacity bytes, in an error-free manner.
when it is receiving “erred” Line Overhead and STS-3 Envelope capacity bytes; within the incoming
STS-3 frames.
XRT94L33
ATM
UNI/PPP/Mapper
307
IC;
as
depicted
below
XRT94L33
Rev.1.2.0.
in
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