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NWA-008853-001 Rev.3.0
97ch4001.fm
Lamp Indications
NOTE:
The following table shows the lamps of PN-DTA card used for T1/E1 interface.
×
: Used
–
: Not used
LAMP
NAME
COLOR
FUNCTION
RUN
Green
Flashes at 120 IPM while this card is operating normally.
LC
Green
Remains lit when communications are normally ongoing with the com-
mon signaling channel data links connected.
LPB
Green
Remains lit when loopback test is in progress.
PCM
Red
Remains lit when detecting PCM signal loss.
MFRM
Red
Remains lit when detecting Multi-Frame Alignment signal loss on time
solt 16 (Only for E1).
FRM
Red
Remains lit when detecting Frame Alignment signal loss.
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 (Only for E1).
RMT
Red
Remains lit when receiving Frame Alignment signal loss alarm from a
distant office.
CRC
Red
Remains lit when detecting Cyclic Redundancy Checking (CRC) errors
(Only for T1).
AIS
Red
Remains lit when a pattern of consecutive “1” is received.
The distant office transmits this signal for a loopback test.
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 through 10 channels are busy
LAMP
CCT (T1)
CCT (E1)
LAMP
CCT (T1)
CCT (E1)
RUN
×
×
MRMT
–
×
LC
×
×
RMT
×
×
LPB
×
×
CRC
×
–
PCM
×
×
AIS
×
×
MFRM
–
×
BL
×
×
FRM
×
×
JULY/01/2006
PN-DTA (CCT)
Summary of Contents for UNIVERGE NEAX 2000 IPS
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