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NEC NEAX IPS NWA-008869-001 User Manual

Page 53

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CHAPTER 2 INSTALLATION

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NWA-008869-001 Rev.1.0

atch2001.fm

Lamp Indications

LAMP

NAME

COLOR

FUNCTION

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

INSTALLATION PROCEDURE