PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 535
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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13.13.6 POS-PHY Level 3 Receive (RFCLK) Error Recovery
13.14 Using the SONET/SDH Inband Error Report Processor (SIRP)
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000489, Issue 4
When the RFCLK is taken away and restored or corrupted by a glitch in PL3 mode, the system
side link-layer device may get continuous RSOP errors. The SUNI's RxDLL indicates a ERRORI
interrupt.
When this condition is detected, the following recovery procedure should be used:
1. Detect RxDLL ERRORI bit asserted [register 0883H, bit 5].
2. Reset the RxDLL [write to register 0882H]
3. Unprovision the upstream cell/packet processor (RCFP) [register 0740H, bit 0]
4. Disable the RXSDQ FIFO [indirect register 0769H, bit 15]
5. Flush the RXSDQ FIFO [indirect register 0768H, bit 13]
6. Reset the RXPHY
7. Clear the reset on the RXPHY
8. Clear the flush bit and enable the RXSDQ FIFO [indirect register 0769H, bit 15]
9. Provision the RCFP [register 0740H bit 0]
The remote alarm port RDI and REI values are sourced from an upstream module in the S/UNI-
2488. The SIRP allows these alarm indications to be transmitted back to the remote end.
Register Controlled Mode (TS1_RMODE[1:0] =b’00)
In this mode, REI[3:0] and RDI[1:0] are both sourced from internal registers TS1_REI[3:0] and
TS1_RDI[1:0] respectively. The remote alarm port is ignored as well as the RCFP’s loss-of-cell-
delineation LCD alarms (which is mapped to a programmable RDI code).
Remote Alarm Input Only Mode (TS1_RMODE[1:0] =b’01)
In this mode, the REI and RDI values transmitted are sourced entirely from the remote alarm port.
Remote Alarm Input With Loss Of ATM Cell Delineation Input Mode
(TS1_RMODE[1:0] =b’10)
In this mode, the REI values are sourced from the remote alarm port and the RDI indication is
generated by the receive cell processor’s loss-of-cell delineation assertion state (which is mapped
to a programmable RDI code).
Note: upstream device may get continuous RSOP errors.
S/UNI-2488 Telecom Standard Product Datasheet
Released
535
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