NDA-24296 CHAPTER 3
Page 595
Revision 1.0
PA - 24 D TR ( D TI)
Digital Trunk Int e rface
4. Lamp Indications
The contents of lamp indications on this circuit card are shown in the table below.
LAMP NAME CO LOR STATE
OPE Gre en Remains lit while this c ir cuit car d i s in n o r ma l operation.
N-OPE Red Remains lit while this c ir cuit car d i s in make-busy state.
PCM Red Lights in the case of input signal down (PCM LOSS).
FRM Red Ligh ts i n the case o f frame a lignme nt loss.
BER Red Lights when frequent bit errors occur in the case of 12-mu ltiframe and when a CRC error
occu rs freq uen t ly in the c a se of 24- m ultif rame .
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 w h ile D P signals are b eing sent o u t or rece i ved (Flashes to dial pu lse s), or th e
corresponding circuit is in make-busy state (60IPM).
OFF Remains off when the corresponding circuit is idle.
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