CHAPTER 2 INSTALLATION

 

 

 

INSTALLATION PROCEDURE

 

 

 

 

Lamp Indications

 

 

 

 

 

 

LAMP

COLOR

 

FUNCTION

NAME

 

 

 

 

 

 

 

RUN

Green

Flashes at 120 IPM when this card is normally operating.

 

 

 

PCM

Red

Remains lit when detecting PCM signal loss.

 

 

 

FRM

Red

Remains lit when detecting Frame Alignment signal loss.

 

 

 

MFRM

Red

Remains lit when detecting Multi-Frame Alignment signal loss on time

 

 

slot 16.

 

 

 

 

RMT

Red

Remains lit when receiving the alarm from a distant office because

 

 

Frame Alignment signal loss has been detected at the distant office.

 

 

 

MRMT

Red

Remains lit when receiving the alarm from a distant office because

 

 

Multi-Frame Alignment signal loss has been detected at the distant

 

 

office.

 

 

 

 

AIS

Red

Remains lit when indicating that the pattern of consecutive “1” is being

 

 

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

 

 

 

 

– 49 –

NWA-008869-001 Rev.1.0

 

atch2001.fm

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NEC NWA-008869-001 manual Mfrm