NEC 151944 Network Hardware User Manual


 
ND-46550 (E) CHAPTER 3
Page 19
Revision 2.0
(2) Lamp Indications (see Table 3-1)
Table 3-1 Lamp Indications on PN-DAIA 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
normally. 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
PWR Not used
BL Red Lights while data transmission on control channel (D ch). Flashes while FP
data downloading.