NEC 151944 Network Hardware User Manual


 
ND-46550 (E) CHAPTER 3
Page 35
Revision 2.0
(2) Lamp Indications (see Table 3-6)
Table 3-6 Lamp Indications on PN-DAIB Card
LAMP NAME COLOR FUNCTION
RUN Green Flashes at 120 IPM while this card is operating normally.
LINK Green Lights when a link between this card and a distant office is connected nor-
mally. Goes out after 15 seconds of link disconnection.
RED Red Lights when detecting PCM signal loss or Frame Alignment signal loss.
RMT Red Lights when receiving a alarm signal from a distant office.
LOOP Not used
BL Red Lights while data transmission on control channel (D ch). Flashes while
FP data downloading.