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| CHAPTER 2 INSTALLATION |
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| INSTALLATION PROCEDURE |
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Lamp Indications |
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LAMP | COLOR |
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RUN | Green | Flashes at 120 IPM when this card is normally operating. | |
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PCM | Red | Remains lit when detecting PCM signal loss. | |
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FRM | Red | Remains lit when detecting Frame Alignment signal loss. | |
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MFRM | Red | Remains lit when detecting | |
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| slot 16. |
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RMT | Red | Remains lit when receiving the alarm from a distant office because | |
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| Frame Alignment signal loss has been detected at the distant office. | |
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MRMT | Red | Remains lit when receiving the alarm from a distant office because | |
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| office. |
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AIS | Red | Remains lit when indicating that the pattern of consecutive “1” is being | |
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| received. The distant office transmits this signal for a loopback test. | |
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BL | Red | B channel status |
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| ON | : More than 10 channels are busy |
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| OFF | : All channels are idle |
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| Flash (60 IPM) | : Only one channel is busy |
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| Flash (120 IPM) | : 2 through 10 channels are busy |
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