PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 199
PM5381-BI
Manufacturer Part Number
PM5381-BI
Description
ATM UNI, Single Channel ATM PHY Interface for 2488.32Mbps
Manufacturer
PMC-Sierra, Inc.
Datasheet
1.PM5381-BI.pdf
(586 pages)
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Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000489, Issue 4
A1ERR
LRDIINS
LAISINS
LOSINS
B1DISABLE
The A1 error insertion (A1ERR) bit is used to introduce framing errors in the A1 bytes.
When A1ERR is set to logic 1, 76h instead of F6h is inserted in all of the A1 bytes of the
STS-12/STM-4 #1 according to the priority of Table 4. When A1ERR is set to logic 0, no
framing errors are introduced.
The line RDI insertion (LRDIINS) bit is used to force a line remote defect indication in the
data stream. When LRDIINS is set to logic 1, the 110 pattern is inserted in bits 6, 7 and 8 of
the K2 byte of STS-1/STM-0 #1 to force a line RDI condition. When LRDIINS is set to logic
0, the line RDI condition is removed.
The line AIS insertion (LAISINS) bit is used to force a line alarm indication signal in the data
stream. When LAISINS is set to logic 1, all ones are inserted in the line overhead and in the
payload (all the bytes of the frame except the section overhead bytes) to force a line AIS
condition. When LAISINS is set to logic 0, the line AIS condition is removed. Line AIS is
inserted/removed on frame boundary before scrambling.
Note, this bit must be set to the same value as the other LAISINS bits in the TRMP Aux2
Error Insertion, TRMP Aux3 Error Insertion and TRMP Aux4 Error Insertion registers.
The LOS insertion (LOSINS) bit is used to force a loss of signal condition in the data stream.
When LOSINS is set to logic 1, the data steam is set to all zeros (after scrambling) to force a
loss of signal condition. When LOSINS is set to logic 0, the loss of signal condition is
removed.
Note, this bit must be set to the same value as the other LOSINS bits in the TRMP Aux2
Error Insertion, TRMP Aux3 Error Insertion and TRMP Aux4 Error Insertion registers.
The B1 disable insertion (B1DISABLE) bit is used to set the B1 byte in a pass through mode.
When B1DISABLE is set to logic one, the B1 byte value is passed through transparently
without being overwritten. When B1DISABLE is set to logic zero, a valid B1 byte is inserted
into the SOH.
S/UNI-2488 Telecom Standard Product Datasheet
Released
199
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