User`s guide
44 • Chassis and Blade Installation R Series Data Center Products User’s Guide, Rev. B
Table 5 R4300 Remote Management Module Features
Connectors
Label
Color
Code
Description
CONTROL IN Green
RJ45 connection that receives control and management signals from the previous chassis
in the Control Chain via RS-485. As many as 14 chassis can be connected per Control
Chain.
CONTROL OUT Green
RJ45 connection that
passes
control and management signals to the next chassis
in the
Control Chain
via RS-485.
MANAGEMENT —
RJ45 connection that passes control and management signals from the chassis to the
Sentral console via Ethernet. Has two LEDs in socket to indicate Ethernet link speed and
activity. Connection is self-adapting and does not require a crossover cable.
Switches
MODE Blue
Pushbutton switch that toggles through the blue Mode Selected LEDs on the Connect and
Network Modules. Press this switch to display status for the connections whose blue LED is
lit.
FAN MAX —
Pushbutton switch that defeats the temperature sensor in the Fan Pack Module to set fans to
maximum speed.
RST —
Pinhole
switch that resets the RMM power. Switching information is not affected. RMM
configuration information is not affected.
DFLT —
Pinhole
switch that resets the RMM configuration information to the default configuration
settings, and then resets the RMM power. See Table 8 on page 56 for a list of defaults.
Switching information is not affected.
LEDs
RMM MODE —
Bi-color LED indicates RMM Mode
• Green = Primary
• Yellow = Secondary
• Off = Standby
DHCP —
Bi-color LED indicates IP address assignment mode
• Green = DHCP
• Off = fixed IP address
RMM Reset
Control Chain
Connections
RMM Hardware
Reset SwitchDefault Switch
Ethernet
Connection
RMM StatusModule
Mode Switch
Fan Mode
Switch
LEDs
RMM MODE
DHCP
DC POWER
HEALTH
RMM Status LEDs
ACTIVITY
Ethernet LEDs
LINK
Ethernet LEDs