User`s manual
5620 Model Descriptor for LA-110 User’s Manual Chapter 3 System Configuration and Monitoring
Viewing ATM to FR IWF Settings 3-17
Table 3-8. Frame Relay Descriptor Parameters
Parameter Valid Ranges/Remarks
FR Descriptor
Table
Index When adding a row, this parameter is read-write and has a range of 1–2147483647
Read-only
Type The interworking function performed by LA-110 in accordance with the Frame Relay
equipment connected to the Data port
• Service: LA-110 operates in the service interworking mode enabling Frame Relay
equipment to communicate with ATM equipment
• Network: LA-110 operates in the network interworking mode enabling Frame Relay
equipment to communicate with other Frame Relay equipment over an ATM network.
Read-only
CLP to DE The method used to derive the discard eligibility (DE) bit sent to the frame relay
equipment connected to LA-110, using the CLP bit carried by the ATM cells
• For Network Case: Conv SSCS, Conv
• For Service Case: Conv, Always 0, Always 1
• Always 0: Sets the CLP bits to 0
• Always 1: Sets the CLP bits to 1
• Conv: CLP bit is derived from the DE bit received from the frame relay equipment
connected to LA-110
Read-only
DE to CLP Specifies the method used to derive the cell loss priority (CLP) bit to be sent in the ATM
network cells, from the DE bit of Frame Relay frames
The options include:
• Always 0: Sets the CLP and DE bits to 0
• Always 1: Sets the CLP and DE bits to 1
• Convert: In the receive path, the DE bit is derived from the CLP bit received from the
ATM network (if one of the cells carries CLP = 1, the DE will be set to 1). In the
transmit path, the CLP bit is derived from the DE bit received from the Frame Relay
equipment
Read only