Intel LXD386 manual Output Enable Selection, Code Selection, Monitoring Address Selection

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LXD386 — Evaluation Board for Quad T1/E1 Applications

3.5Output Enable Selection

The OE switch in switch block S4 controls the operation of the LXT386 output drivers. For normal operation (driver outputs enabled), set the OE switch to the ON position. Setting the OE switch to OFF forces the output drivers to the high impedance state.

3.6Code Selection

In Hardware mode, the MO-INT-CO switch in switch block S4 selects the line encode/decode. To select AMI encode/decode set to the ON position. To select B8ZS/HDB3 encode/decode set to the OFF position.

3.7Monitoring Address Selection

Switch block S3 sets the Protected Monitoring Addresses A0 through A3. The factory default setting is 0000 (no monitoring). See the LXT386 data sheet for details.

3.8Jitter Attenuator Selection

In Hardware mode, the JASEL switch in switch block S1 selects the position of the Jitter Attenuator in the data path:

•Transmit path = LOW

•Receive path = HIGH

•JA disabled = center

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Developer Manual

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Contents LXD386 Evaluation Board for Quad T1/E1 Applications Developer ManualPage Contents Figures TablesFeatures General DescriptionLXD386 Evaluation Board for Quad T1/E1 Applications Equipment Requirements OverviewLXD386 Packing List Control ModesFactory Settings Hardware Mode Selection Hardware Mode Set-Up and OperationPower Connections Loopback Mode SelectionMonitoring Address Selection Output Enable SelectionCode Selection Jitter Attenuator SelectionMaster Clock Setup Line Buildout SelectionJtag Boundary Scan Port Framer/ASIC ConnectionLine Interface LED IndicatorsBoard Protection Evaluation Board Set-up Software Mode Set-Up and OperationI8051 Microcontroller Board Test Equipment ConnectionsHardware Set-up Screen Software Installation and Start-UpEvaluation Board Software Quitting the ProgramConfiguration Screen Communications ModesApply to all Channels Setting Registers Registers ScreenRegisters Screen LXD386 Interface Unit Evaluation Board Applications Firebird LXD386 For
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