NEC 2400 ipx User Manual Page 634

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CHAPTER 3 NDA-24296
Page 608
Revision 1.0
PA-24DTR (DLI)
Digital Line Interface
4. Lamp Indications
The contents of lamp indications on this circuit card are shown in the table below.
LAMP NAME COLOR STATE
OPE Green Remains lit while this circuit card is in normal operation.
N-OPE Red Remains lit while this circuit card is in make-busy state.
PCM Red Lights in the case of input signal down (PCM LOSS).
FRM Red Lights in the case of frame alignment loss.
BER Red
Lights when frequent bit errors occur in the case of 12-multiframe and when a CRC error
occurs frequently in the case of 24-multiframe.
RMT Red Lights on receipt of remote alarm indication.
AIS Yellow Lights on receipt of Alarm Information Signal (AIS).
BL00
BL23
Green Lights when the corresponding circuit is busy.
Flash
Flashes while DP signals are being sent out or received (Flashes to dial pulses), or the
corresponding circuit is in make-busy state (60 IPM).
OFF Remains off when the corresponding circuit is idle.
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