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BCM 400 GASM card

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KyBoy

KyBoy

Technical User
Jan 4, 2010
119
US
I have a BCM 400 4.0 with several ASM cards and 2 GASM cards. Out in the warehouse employees cannot hear the rings on the GASM cards but they are fine on the ASM cards. I noticed the output voltage on the GASM is 48VDC and the ASM is 30VDC. Has any one had this particular problem arrise on a BCM before?
 
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The GASM's are on bus 5/0 and 5/1 but it looks like at this point that the low ring volume are only coming from these GASM.
 
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The line voltage and ring voltage are two different voltage one is dc the other is ring voltage ac 90-105 volts 20 hz. Use a meter.
 
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So if the ring voltage output is low are there settings, dip switches etc. that can be adjusted or just replace card? Thanks.
 
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