Card status led indicators – GAI-Tronics 69037-101 Centra-Page Station Card User Manual
Page 3
Pub. 42004-221A
Model 69037-101 Station Card for Centra-Page Systems
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Card Status LED Indicators
The following tables illustrate how to determine the status of the station card based on the combination of
the LED indicators that are lit.
Speaker Amplifier Status
CR23 (red) is the “in use” indicator, and CR24 (green) is the speaker amplifier power indicator.
Speaker Amplifier Status
CR23
(Red)
CR24
(Green)
Speaker Amplifier Power Off
Off*
Off
Speaker Amplifier Fuse (F1) is Open
Off*
Off
Speaker Amplifier On – No audio
Off
On
Speaker Amplifier On – Audio Signal Present
Modulated by audio signal
On
With no audio present – Speaker Amplifier Failure
On
On
*CR24 is a power indicator for the speaker amplifier. When CR24 is off, CR23 must be off.
Handset Status
CR13 (red) and CR15 (yellow) are the handset status indicators, and CR16 (green) is the handset power
indicator.
Handset Status
CR13
(Red)
CR15
(Yellow)
CR16
(Green)
On-hook Off
Off
On
Off-hook
(paging) On On On
Off-hook (Party 1)
Off
On
On
Off-hook (Party 2)
On
Off
On
L1/L2 shorted
Off
Off
Off
Figure 2. LED Details