Product Information - NetLinx Modules
Modes and front panel LED blink patterns
The following table lists the modes for the Master Cards/Modules and blink patterns for the front
panel LEDs for each mode.
Modes and LED Blink Patterns
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| STATUS | OUTPUT | INPUT |
Mode | Description | (green) | (red) | (yellow) |
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OK | Master is functioning properly | 1 Blink | Normal | Normal |
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Boot | Master is rebooting. | On | On | On |
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Missing device(s) | Master detects one or more devices | 2 Blinks | Normal | Normal |
| defined in the NetLinx program that are not |
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| present or connected to the bus. |
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AXlink bus failure | Master detects a communication failure on | 3 Blinks | Normal | Normal |
| the AXlink bus. |
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Contacting DHCP server | Master is contacting a DHCP server for IP | On | Off | Fast Blink |
| configuration information. |
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Unknown DHCP server | Master could not find the DHCP server. | Fast Blink | Off | Off |
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Downloading program/ | Downloading a program to the Master | Fast Blink | Fast Blink | Fast Blink |
firmware | Card's |
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No program running | There is no program loaded, or the pro- | On | Normal | Normal |
| gram is disabled. |
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Rear panel LEDs: ICSNet/ICSHub
ICSNet LED (green): lights to indicate data output activity on this port.
ICSNetICSHub
FIG. 2 Layouts of the ICSNet, ICSHub and Ethernet LEDs
ICSHub IN LED (yellow): lights to indicate data input activity on this port.
IN
OUT
ICSHub OUT LED (yellow): lights to indicate data input activity on this port.
PWR
AXP
AXM
GND
AXlink
Rear panel LEDs: AXLink
AXLink LED Blink Patterns
Blink Pattern | Description |
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Off | No power or the controller is not functioning properly. |
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1 blink per second | Normal operation. Device numbers match the programmed device numbers in |
| the Axcess program. |
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2 blinks per second | Device numbers do not match the Axcess program, a device is not present, or |
| a device is not set to the right number. |
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3 blinks per second | AXlink bus error. Check all AXlink bus connections. |
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Full on | Axcess program is not present and there is no AXlink activity. |
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NetLinx Master Cards and Modules | 5 |
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