|
|
| CHAPTER 2 INSTALLATION |
|
|
| INSTALLATION PROCEDURE |
|
|
|
|
Lamp Indications |
|
| |
|
|
|
|
LAMP | COLOR |
| FUNCTION |
NAME |
| ||
|
|
| |
|
|
| |
RUN | Green | Flashes at 120 IPM while this card is operating normally. | |
|
|
| |
CRC | Red | Remains lit when detecting Cyclic Redundancy Checking (CRC) | |
|
| errors. |
|
|
|
| |
PCM | Red | Remains lit when detecting PCM signal loss. | |
|
|
| |
FRM | Red | Remains lit when detecting Frame Alignment signal loss. | |
|
|
| |
RMT | Red | Remains lit when receiving Frame Alignment signal loss alarm from a | |
|
| distant office. |
|
|
|
| |
AIS | Red | Remains lit when a pattern of consecutive “1” is received. The distant | |
|
| office transmits this signal for a loopback test. | |
|
|
|
|
BL | Red | B channel status |
|
|
| ON | : More than 10 channels are busy |
|
| OFF | : All channels are idle |
|
| Flash (60 IPM) | : Only one channel is busy |
|
| Flash (120 IPM) | : 2 through 10 channels are busy |
|
|
|
|
– 43 – | |
| atch2001.fm |