(2)Lamp Indications (SeeTable
Table 3-4 Lamp Indications on PN-DAIC Card
LAMP NAME | COLOR | FUNCTION |
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RUN | Green | Flashes at 120 IPM while this card is operating normally. |
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LINK | Green | Lights when the following connections are normal. |
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| • Control channel link between the DAIA card and DAIB |
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| card. |
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| • Connection between the opposite DAIC card. |
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| Goes out after 15 seconds of link disconnection. |
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RED | Red | Lights when detecting PCM signal loss or Frame Alignment |
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| signal loss. |
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RMT | Red | Lights when receiving an alarm signal from a distant office. |
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LOOP | – | Not used |
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PWR | – | Not used |
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BL | – | Not used |
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(3)Switch Settings
| Table |
| |||
SWITCH NAME | SWITCH | SETTING | FUNCTION | CHECK | |
NUMBER | POSITION | ||||
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MB (Toggle SW) |
| UP | For |
| |
ON |
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| |
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| DOWN | For normal operation |
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Note |
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SW1 (Piano Key | 1 | OFF | Always set to OFF |
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SW) |
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OFF | 2 | OFF | Always set to OFF |
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4 | 3 |
| Always set to OFF |
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3 | OFF |
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2 |
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| ||
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1 | 4 |
| Always set to OFF |
| |
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| |||
ON |
| OFF |
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| |
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