FIBER LINK

Table 4-1 (continued). Diagnostic LED Indicators

 

 

 

Indicator

Display

What It Means

 

 

 

VIDEO (TX)

Green

Video coax input to link is good. Note that

 

 

even a totally black screen is a valid video

 

 

signal.

 

 

 

 

Red

Video coax input to link is not good. Check

 

 

the camera and the coax into the link.

 

 

 

VIDEO (RX)

Green

Valid video signal received. Note that even a

 

 

totally black screen is a valid video signal.

 

 

 

 

Red

No video signal received. Check the camera

 

 

and coax. Check the LEVEL/LOSS

 

 

indicator. If the LEVEL/LOSS indicator is

 

 

green, check the video indicator on the TX

 

 

unit.

 

 

 

COMMAND

Green

Indicates PTZ command transmission

 

 

(>250 mV).

 

 

 

 

Dark

No activity, or command being transmitted is

 

 

<250 mV.

 

 

 

RESPONSE

Green

Indicates response from camera >250 mV.

 

 

 

 

Dark

No response from camera or signal is

 

 

<250 mV, may indicate a problem with the

 

 

camera. This function is not commonly

 

 

available in all systems.

 

 

 

SYNC

Green

Indicates transmission of Genlock

 

 

Synchronization signals (>2V), where

 

 

applicable.

 

 

 

 

Dark

No Genlock signal being sent, or signal is

 

 

<2V.

 

 

 

17

Page 18
Image 18
Black Box AC455A-TX-R2, AC456A-RX-R2 manual Fiber Link