NEC NEAX2000 IVS2 system manual Pcm, Frm, Mfrm, Rmt, Mrmt, Ais

CHAPTER 4 CIRCUIT CARD INFORMATION

List of Required Circuit Card

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 loop-
		back test distant.
BL	Red	B Channel status
		ON	: More than10 channels are busy
		OFF	: All channels are idle
		Flash (60 IPM)	: Only one channel is busy
		Flash (120 IPM) : 2 to 10 channels are busy

NEAX2000 IVS2 Q-SIG System Manual	Page 51
ND-70923 (E), Issue 1.0