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

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

10 Developer Manual