Polycom DOC2559A - Manual (Page 42)

Chapter 1- Hardware Description
1-36
CNTL 4000 Unit ERR Red ON - Major system error. In case of
an active alarm this light is ON, and
the RDY green is OFF.
OFF - Normal.
Flashes - During system startup.
RDY Green ON - CPU card has successfully
completed startup. This light turns
green after completing the entire
system configuration.
OFF - Turns OFF when the ERR
red LED is activated.
Flashes - During system startup.
ACT Amber ON - At least one endpoint is
connected to the system.
Flashes - During system startup.
HD Red OFF - Normal.
Flashes - Hard disk is active.
HS Blue Flashes - Indicates when the
power down process is initiated on
an MPM+/MPMx card. This LED
flashes in synchronization with the
MPM+/MPMx’s cards HS LED.
OFF - Normal
ON - CPU may be removed.
Table 1-8 RMX 4000 Front Panel LED’s (Continued)
Component LED ID LED Color Description