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Modes and Front Panel LED Blink Patterns
The following table lists the modes and blink patterns for the front panel LEDs associated with each
mode. These patterns are not evident until after the unit is powered.
Modes and LED Blink Patterns
Mode
OS Start
Boot
Contacting DHCP
server
Unknown DHCP
server
Downloading Boot
firmware
No program running
Normal
Port Assignments and Functionality
The Port Assignments are as follows:
NI-700 Port Assignments
Port
Serial Port #1
Serial Port #2
IR/Serial Port
I/O Port
IR RX Port
AXlink Port and LED
Both the NI-700 and NI-900 have an AXlink port and adjacent status LED (FIG. 1). This port allows the
NI to support AMX Legacy AXlink devices such as G3 touch panels (ex: CP4/A) and PosiTrack Pilot
devices. A green LED shows AXlink data activity. When the AXlink port is operating normally, blink
patterns include:
NI-700 & NI-900 Hardware Reference Guide
Description
Starting the operating system (OS).
On-board Master is booting.
On-board Master is contacting a DHCP
server for IP configuration information.
On-board Master could not find the
DHCP server.
Downloading Boot firmware to the
Master's on-board flash memory.
Do not cycle power during this process!
There is no program loaded, or the
program is disabled.
On-board Master is functioning normally. 1 blink per second
ICSP Port #
1
2
3
4
5
Off - No power, or the controller is not functioning properly
1 blink per second - Normal operation.
3 blinks per second - AXlink bus error. Check all AXlink bus connections.
LEDs and Blink Patterns
STATUS
(green)
On
On
On
Fast Blink
Fast Blink
On
NI-900 Port Assignments
Port
ICSP Port #
Serial Port #1
IR/Serial Port #1
IR/Serial Port #2
IR/Serial Port #3
I/O Port
IR RX Port
Connections and Wiring
OUTPUT
INPUT
(red)
(yellow)
On
On
Off
On
Off
Fast Blink
Off
Off
Fast Blink Fast Blink
Normal
Normal
Indicates
Indicates
activity
activity
1
2
3
4
5
6
15
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