Icslan Leds; Serial Leds; Relays Leds - AMX NetLinx NX Series Hardware Reference Manual

The following table lists the following special LED patterns for the Status, Input, and Output LEDs:
LED Patterns
Mode
OS Start
Boot
Contacting
DHCP server
Using link-local
address
Downloading
Boot firmware
Program running Normal operation with a running
No program
running
* - The fast blink is nearly instantaneous upon downloading the boot firmware to Flash memory and is, in most cases,
undetectable to the user's eye.

ICSLAN LEDs

The ICSLAN LEDs light green when there is an active link on the corresponding ICSLAN port. The light toggles off
when a data packet is sent or received.
There are 4 ICSLAN LEDs on the NX-4200. The NX-2200 and NX-3200 each have one ICSLAN LED (see FIG. 13).
NX-4200
FIG. 13 ICSLAN LEDs

SERIAL LEDs

The SERIAL LEDs are two sets of LEDs which light to indicate that the RS-232 ports are transmitting or receiving
RS-232, 422, or 485 data (red = TX, yellow = RX). The light toggles on when a data packet is sent or received.
There are two sets of eight SERIAL LEDs on the NX-3200 and NX-4200. The NX-2200 has two sets of four LEDs. The
NX-1200 has two sets of two LEDs (see FIG. 14).
NX-3200/4200
FIG. 14
SERIAL LEDs

RELAYS LEDs

The RELAYS LEDs light red to indicate that the corresponding relay port is active. The light toggles off when the relay
port is not engaged.
There are eight RELAY LEDs on the NX-3200 and NX-4200. The NX-2200 has four RELAY LEDs (see FIG. 15).
NX-3200/4200
FIG. 15 RELAYS LEDs
Hardware Reference Guide - NX-Series NetLinx Integrated Controllers
Description
Starting the Operating System
On-board Master is booting
On-board Master is contacting a
DHCP server for IP configuration
information
On-board Master could not find a
DHCP server and is using a
link-local address
Downloading Boot firmware to the
Master's on-board Flash memory
program
There is no NetLinx program
loaded or the program is disabled
NX-2200/3200
Status Output
ON ON
ON OFF
ON OFF
Slow Blink OFF
Fast Blink* Fast Blink*
Slow Blink Normal
ON Normal
NX-2200
NX-1200
NX-2200
Wiring and Connections
Input
ON
ON
Fast Blink
OFF
Fast Blink*
Normal
Normal
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