NEC NEAX2000 IVS2 Installation Manual page 399

CHAPTER 3 LAMP INDICATIONS AND SWITCH SETTINGS
PN-30PRTA (PRT)
Lamp Indications
LAMP
COLOR
NAME
RUN Green
LC Green
LPB –
PCM Red
FRM Red
MFRM Red
RMT Red
MRMT Red
AIS Red
BL Red
Page 370
Flashes at 120 IPM when this card is normally operating.
Remains lit when communications are normally ongoing with the
D Channel data links connected.
Not used
Remains lit when detecting PCM signal loss.
Remains lit when detecting Frame Alignment signal loss.
Remains lit when detecting Multi-Frame Alignment signal loss on
time Slot 16.
Remains lit when receiving the alarm from a distant office
because Frame Alignment signal loss has been detected at the
distant office.
Remains lit when receiving the alarm from a distant office
because Multi-Frame Alignment signal loss has been detected at
the distant office.
Remains lit when indicating that the pattern of consecutive "1" is
being received. The distant office transmits this signal for a
loop-back test.
B Channel status
ON : More than ten channels are busy
OFF : All channels are idle
Flash (60 IPM) : Only one channel is busy
Flash (120 IPM) : Two to ten channels are busy
FUNCTION
2
NEAX2000 IVS Installation Procedure Manual
ND-70928 (E), Issue 3.0