Front Panel Components

Overview

This section contains an illustration of the front panel of the 170 AAO 120 00 I/O base and a description of the LEDs.

Front Panel Illustration

The front panel of the I/O base is shown in the illustration below.

Label	Description
1	Internal interface (ATI) connector
2	Locking and ground contact for the adapter
3	LED status display
4	Mounting holes for panel mount
5	Grounding screw
6	Locking tab for DIN rail mount
7	Sockets for the terminal connectors

LED Illustration

This I/O base has one LED, the ready indicator shown in the illustration below.

LED Descriptions

The ready indicator is described in the table below.

Indicator	Condition	Message
Ready	Green	Module is ready to communicate. Operating voltage for internal logic is present and self-test has been passed.
Ready	Off	Module is not ready. Operating voltage is not present or module is defective.