NEC ND-70919 system manual Mfrm, Mrmt

CHAPTER 4 CIRCUIT CARD INFORMATION

PN-30DTC-A (DTI)

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 than 10 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 ISDN System Manual	Page 163
ND-70919 (E), Issue 1.0