
Switch Modules
ServerNet Nomadic Disk (Release 2) User’s Guide—523968-001
4-5
SCC LEDs
SCC LEDs
The front panel of the SCC contains the LEDs described Table 4-2.
Caution. Do not attempt to replace the switch module, attempting to do so could damage the
equipment. For repair and replacement, contact professional services. The
ServerNet Nomadic
Disk (Release 2) Installation and Service Guide is available to professional services in the TIM
Hardware Service and Maintenance Collection
.
Table 4-2. SCC Front Panel LEDs
LED Color Indicates Meaning Action
ENV Amber Environmental
fault
Unlit: Voltage and
temperatures are
normal.
No action is required.
Lit: Sensor 1 or sensor 2
temperature is out of
range.
Flashing: voltages for
the SCC are out of
range.
Power off the switch
module immediately
and contact
professional services.
PON Green Power on Lit: SCC is receiving
power
If the LED is lit, no
action is required.
Unlit: SCC is not
receiving power.
Check the power-on
switch located in the
back of the switch
module and the power
cord connections.
TX, port A Amber Transmitting Flashing: port A is
transmitting.
No action is required.
Unlit: port A is not
transmitting.
RX, port A Amber Receiving Flashing: port A is
receiving.
No action is required.
Unlit: port A is not
receiving.
TX, port B Amber Transmitting Flashing: port B is
transmitting.
No action is required.
Unlit: port B is not
transmitting.
RX, port B Amber Receiving Flashing: port B is
receiving.
No action is required.
Unlit: port B is not
receiving.
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