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PM5358 S/UNI-4x622 Driver Manual
Application Programming Interface
Proprietary and Confidential to PMC-Sierra, Inc. 68
Document ID: PMC-2010419, Issue 1
Inputs
deviceHandle : device handle (from suni4x622Add)
channel : channel number
enable : flag to start/stop B2 error insertion
Outputs
None
Returns
Success =
SUNI4x622_SUCCESS
Failure = SUNI4x622_ERR_INVALID_DEVICE_STATE
SUNI4x622_ERR_INVALID_DEV
SUNI4x622_ERR_INVALID_CHAN
Valid States
SUNI4x622_ACTIVE, SUNI4x622_INACTIVE
Side Effects
None
Forcing Line RDI: suni4x622LOHForceRDI
This function forces the line RDI into the line overhead.
Prototype
INT4 suni4x622LOHForceRDI(sSUNI4x622_HNDL
deviceHandle, UINT1 channel, UINT2 enable)
Inputs
deviceHandle : device handle (from suni4x622Add)
channel : channel number
enable : flag to start/stop line RDI insertion
Outputs
None
Returns
Success =
SUNI4x622_SUCCESS
Failure = SUNI4x622_ERR_INVALID_DEVICE_STATE
SUNI4x622_ERR_INVALID_DEV
SUNI4x622_ERR_INVALID_CHAN
Valid States
SUNI4x622_ACTIVE, SUNI4x622_INACTIVE
Side Effects
None
4.7 Path Overhead (RPOH, TPOH)
The Path Overhead Processor is responsible for pointer interpretation, path overhead processing,
synchronous payload envelope, path level alarm and performance monitoring on both receive and
transmit sides. The Path Overhead section configures and monitors the path overhead on both
receive and transmit sides. Write access is given to the path trace message (J1) and the path signal
label (C2) and other overhead bytes. For diagnostic purposes, errors can be introduced in the path
overhead bytes. Additional functions are provided to automatically insert path AIS, force
generation of outgoing justification events.