Juniper Networks Juniper M-series M10i - Manual (Page 41)

Three bicolor per port:
■ Data set ready (DSR):
■ Green—DSR is detected or ignored
■ Red—DSR expected but not present
■ Data carrier detect (DCD):
■ Green—DCD is detected or ignored
■ Red—DCD expected but not present
■ Resynchronization:
■ Green—Keepalives are being received
■ Red—Data terminal ready (DTR) toggled from low to high (resynchronization pulses
are being sent)
LEDs
■ Per-port packet and byte counters
■ Resynchronization counters:
■ Number of resynchronizations initiated
■ Time of last resynchronization
Instrumentation
(counters)
EIA-530 PIC ■ 41
EIA-530 PIC