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Electronic Theatre Controls Inc

What do the LED indicators on the CEM+ SmartLink Power Board indicate?

7150B5620 LED Indicator Guide

LED Color

Component Location

Purpose

Default/Normal State

Red

CR1

Indicates a voltage imbalance on the LON network favoring NET B

OFF

(May glow slightly)

Red

CR2

Indicates a voltage imbalance on the LON network favoring NET A

OFF

(May glow slightly)

Blue

CR9

Indicates power on the LON network

ON

Orange

CR13

Indicates the service pin is being sent

OFF

Red

CR14

Indicates coprocessor activity

ON/BLINKING

Shipped from 6/16/09 to Present (Last updated 10/29/09)

7150B5615 LED Indicator Guide

LED Color

Component Location

Purpose

Default/Normal State

Red

CR3

Indicates a voltage imbalance on the LON network favoring NET B

OFF

(May glow slightly)

Red

CR4

Indicates a voltage imbalance on the LON network favoring NET A

OFF

(May glow slightly)

Blue

CR10

Indicates Power on the LON network

ON

Orange

CR14

Indicates the service pin is being sent

OFF

Shipped from Initial Release through 6/16/09