Alarm Settings |
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| Programming Reference |
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| Loss of |
| The DBS activates a loss of signal alarm when the | FF key (after the counter is exceeded) |
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| Signal |
| incoming ISDN signal is not received for more |
| CFA LED on the ISDN card |
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| than 150 ms. |
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| OOF LED on the ISDN card |
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| Note: The LEDs on the ISDN card are normally steadily lit during an alarm condition. However, SLIP |
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| alarms cause the SLIP LED to blink rather than light. |
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| Table |
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| Yellow Alarms | |||||
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| Yellow Alarm Send | FF1 9# 4# 4# 1# 7# |
| Determines whether the DBS sends a yellow | |||||
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| FF1 9# 4# 5# 1# 7# |
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| Yellow Alarm Counter | FF1 9# 4# 4# 3# 6# |
| Error counter for the Yellow Alarm FF key. | |||||
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| FF1 9# 4# 5# 3# 6# |
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| Yellow Alarm Relay | FF1 9# 4# 4# 4# 1# |
| Determines if the alarm relay on the ISDN | |||||
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| FF1 9# 4# 5# 4# 1# |
| MDF card closes in the event of yellow | |||
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| Red Alarms |
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| Red Alarm Detection | FF1 9# 4# 4# 2# 1# |
| The red alarm value is determined by network | |||||
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| FF1 9# 4# 5# 2# 1# |
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| changed. | ||||
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| When a red alarm occurs, the CFA LED on | |||
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| the ISDN card lights, and the alarm relay on | |||
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| the ISDN MDF card closes. | |||
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| Red Alarm Recovery | FF1 9# 4# 4# 2# 2# |
| Determines how long the DBS tries to recover | |||||
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| FF1 9# 4# 5# 2# 2# |
| from a red alarm before it | |||
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| Red Alarm Counter | FF1 9# 4# 4# 3# 3# |
| Error counter for the Red Alarm FF key. | |||||
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| FF1 9# 4# 5# 3# 3# |
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| Red Alarm Relay | FF1 9# 4# 4# 4# 2# |
| Determines if the alarm relay on the ISDN | |||||
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| FF1 9# 4# 5# 4# 2# |
| MDF card closes in the event of red alarms. | |||
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| Alarm Indication | Signal | ||||
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| AIS Relay |
| FF1 9# 4# 4# 4# 5# |
| Determines if the alarm relay on the ISDN | ||||
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| FF1 9# 4# 5# 4# 5# |
| MDF card closes in the event of an alarm indi- | |||
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| cation signal. An alarm indication signal is | ||||
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| comprised of all 1’s and is unframed. | |||
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| Frame Loss Alarms | |||||
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| Frame Loss Counter | FF1 9# 4# 4# 3# 1# |
| Error counter for the Frame Loss FF key. | |||||
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| FF1 9# 4# 5# 3# 1# |
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| Frame Loss Relay | FF1 9# 4# 4# 4# 4# |
| Determines if the alarm relay on the ISDN | |||||
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| FF1 9# 4# 5# 4# 4# |
| MDF card closes in the event of frame loss | |||
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| alarms. | ||||
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| Revised April 2000 |