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Viewing Serial LED Operation

WebPort serial LEDs work as shown in the following table.

Serial Codes

pcr Bit and Name Description

(0) Physical Mode

0: RS-232

1: RS-485

(1) Termination Resistor

Reserved. Not currently supported

(2) Duplex

0: FULL

1: HALF

(4:3) LED Mode

Note: The display discrete mode register bit 3 can override the serial port LED configuration.

00: Green: RX Traffic. Yellow: TX Traffic

01: Green: TX Traffic. Yellow> RX Traffic

10: Green: RX/TX Traffic. Yellow: Port Err

11: Set according to bits [6:5]

(5) Green LED setting

0: OFF

1: ON available when LED Mode = 11

(6) Yellow LED setting

0: OFF

1: ON available when LED Mode = 11

(8:7) Reserved

Reserved

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