SMxxTAT4Xx Quick Start Guide
33784 Rev. C
Page
2
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4
Power LEDS
(SM48TAT4XA-RP only): Indicates if the switch power supply A/B powered up correctly or not.
Port Status LED
s: Indicates the current status of each port. You can check these LEDs to understand the port
status in different modes, after changing the mode by pressing the Mode/Reset button.
Mode LED
: Indicates the mode of all ports on the switch. You can press the Mode/Reset button sequentially to
switch among the two different modes (Link/Activity/Speed mode and PoE mode).
System LED:
Off when switch is not receiving power. On green when switch is powered ON correctly. On red in
abnormal state, such as exceeding operating temperature range, has been detected in the switch.
Table 1:
Port Status LEDs
:
LED
Color
Function
TP Port
Green/
Amber
For Ethernet Mode:
• 1G Link/Act: Green Color
# RJ45 Port Left LED Behavior:
=> Light off: port disconnected or link failed
=> Green Light on: Link Present, No Activity
=> Green Blinking: Activity. Port is sending or receiving data
• 10M/100M Link/Act: Amber Color
# RJ45 Port Right LED Behavior:
=>Light off: port disconnected or link failed
=>Amber Light on: Link Present, No Activity
=>Amber Blinking: Activity. Port is sending or receiving data
SFP+ Port
Green/
Blue
LNK: Blue/Green (Two Color)
Light off: port disconnected or link failed
Green Light on: link-up (1G)
Blue Light on: link-up (10G)
ACT: Blinking: activity (receiving or transmitting data)
Table 2: Mode LEDs
Mode LED
Color
Function
POWER/Alarm
Green/Red
• SYS: Green/Red Bi-Color
Light off: Power Off
Green Lit: Indicates the switch in power on system initialization
process.
=> Red Lit: Indicates a malfunction. Contact technical support
=> Green Blinking: Indicates that the switch is running normally
=> Red Blinking: N/A
Link/Act/ Speed
Green
The Port Status LEDs are displaying link status, network activity and
speed of each port.
• SYS: Green Single Color
• Use Mode / Reset Button to change Mode
=> Light off: Changed Port LED to Other Mode
=> Green Light on: Change Port LED to Link/Act/Speed Mode