Interpreting the led indicators, General as2000 ncc 2020 leds, Interpreting the led indicators -7 – Verilink Red Zone Encryption (REMS) (880-502423-001) Product Manual User Manual
Page 67: General as2000 ncc 2020 leds -7, Equipment is ok (regardless of network connection)

Interpreting the LED indicators
Red Zone Encryption Management System (REMS) User Manual
6-7
Interpreting the LED indicators
In some instances, REMS uses its front panel LED indicators differently
from a standard AS2000. This section explains how to interpret the
REMS LED indicators. (Some indications do coincide with those of a
standard AS2000.)
Figure 6-2
NCC 2020 Front Panel Showing LED Indicators
General AS2000
NCC 2020 LEDs
Decoding the NCC 2020 EQPT front panel LED indicator
The EQPT (equipment) LED is a tri-color indicator with six states, as
follows:
Solid Green
Equipment is OK (regardless of network
connection).
Solid Yellow
NCC is looped toward the equipment via a
repeater or equipment loopback (RLB or ELB)
and no errors are being received.
Solid Red
Any continuous error condition (for example,
LOS, LOF, AIS)
Flashing Red
Bipolar Violation or CRC-6 Error, low density
indicator. LED is updated every 50 to 100
milliseconds.
Flashing Red/Yellow
NCC is looped toward the equipment (RLB,
ELB) and errors are received from the
equipment.
Not Lit
NCC is not powered up, or has lost power or
Self Test failure.
REV
MON
NET
NET
OUT
CRAFT
NET
ST
A
T
EQ
PT
FUNCTION
EXE
IN
NCC
0
0
2020
LED Indicators:
EQPT
OUT
IN
EQPT
• Equipment
• Networ
• CSU Status