NEC NEAX 2000 IPS Installation Manual page 431

Lamp Indications
LAMP
COLOR
NAME
RUN Green
LC Green
LPB Green
PCM Red
MFRM Red
FRM Red
MRMT Red
RMT Red
CRC Red
AIS Red
BL Red
Flashes at 120 IPM while this card is operating normally.
Remains lit when communications are normally ongoing with the com-
mon signaling channel (CCT)/D channel (DTI/PRT) data links con-
nected.
Remains lit when a loopback is in progress.
Remains lit when detecting PCM signal loss.
Remains lit when detecting Multi-Frame Alignment signal loss on time
slot 16 (Only for E1).
Remains lit when detecting Frame Alignment signal loss.
Remains lit when receiving the alarm from a distant office because
Multi-Frame Alignment signal loss has been detected at the distant
office (Only for E1).
Remains lit when receiving Frame Alignment signal loss alarm from a
distant office.
Remains lit when detecting Cyclic Redundancy Checking (CRC) errors
(Only for T1).
Remains lit when a pattern of consecutive "1" is received.
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
– 415 –
FUNCTION
PN-DTB (CCT/DTI/PRT)
NWA-008841-001 Rev.5.0
90ch3003.fm
JULY/15/2007