NEC 2000 IVS manual Lamp Indications

PN-30DTC/30DTC-A (DTI)

2.Lamp Indications

		Lamp Indications
LAMP NAME	COLOR		FUNCTION
RUN	Green	Flashes at 120 IPM when this card is normally operating.
PCM	Red	Lights when detecting PCM signal loss.
FRM	Red	Lights when detecting Frame Alignment signal loss.
MFRM	Red	Lights when detecting Multi-Frame Alignment signal loss on time slot 16.
RMT	Red	Lights when receiving an alarm because Frame Alignment signal loss has been
		detected at the distant office.
MRMT	Red	Lights when receiving an alarm because Multi-Frame Alignment signal loss has
		been detected at the distant office.
AIS	Red	Lights when indicating that the pattern of consecutive “1” is being received. (The
		distant office transmits this signal for a loop-back test).
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

CHAPTER 4	ND-45504 (E)
Page 78-2	Addendum-001
Revision 2.1	JULY, 1998