Verilink Red Zone Encryption (REMS) (880-502423-001) Product Manual - Manual (Page 69)

Interpreting the LED indicators
Red Zone Encryption Management System (REMS) User Manual 6-9
Flashing Red Bipolar Violation or CRC-6 indicator.
Flashing Red and Yellow
CSU is looped toward the network and errors
are being received (BPV or CRC-6).
Not Lit NCC is not powered up, power loss, or self test
failure.
REMS master FBR
NCC 2020 front
panel LEDs There are two NCC 2020 modules in each REMS, one in the FBR and
one in the BRC. The NCC 2020 module LEDs referred to in this
subsection are those of the master FBR (set to 64).
Figure 6-3 FBR NCC 2020 Front Panel Showing LED Indicators
Decoded FBR NCC 2020 LED indicators
EQPT DTE input from terminal equipment.
NET Signal information from BRC RCV signal in
Black Zone.
STAT (on BRC) Each Green flash indicates a message received
from the Black Zone. (LEDs on the FBR
actually flash twice very quickly, the first flash
is the “decrypted” unencrypted PRM, the
second flash is the BRC message, which
contains the intelligible PRM.)
REV
MON
NET
NET
OUT
CRAFT
NE
T
ST
AT
EQ
PT
FUNCTION
EX
E IN NCC
0 0
2
020
LED Indicators:
EQPT
OUT IN EQPT
• Equipment
• Networ
• CSU Status