user manual

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