1-31
Rear panel
Figure 1-45 Rear panel of an S3100-8C-EPON-EI Ethernet switch
(1) AC power socket (2) Grounding screw
Power system
S3100-8C-EPON-EI Ethernet switches support AC input.
z Rated voltage range: 100 VAC to 240 VAC, 50 Hz/60 Hz
z Input voltage range: 90 VAC to 264 VAC, 47 Hz to 63 Hz
Cooling system
The S3100-8C-EPON-EI cool off naturally.
Introduction to Front Panel LEDs
Front Panel LEDs of the S3100-T-SI/S3100-C-SI/S3100-TP-PWR-EI/ S3100-C-EPON-EI
Series
Power LED
Table 1-8 Description of the power LED on S3100-T-SI, S3100-C-SI, S3100-TP-PWR-EI and
S3100-C-EPON-EI series Ethernet switches
LED Mark on the panel Status Description
ON The switch is powered on.
Power LED PWR
OFF The switch is powered off.
Auto-sensing 10/100Base- TX Ethernet port status LED
There are two port status LEDs on both sides (yellow LED on the left and green LED on the right) of
each 10/100Base-TX Ethernet port of S3100-T-SI, S3100-C-SI, S3100-TP-PWR-EI and
S3100-C-EPON-EI series. They indicate the active, link, duplex, and speed statuses of the port.
In addition, there are an A/L LED and a D/S LED on each model of S3100-T-SI, S3100-C-SI,
S3100-TP-PWR-EI and S3100-C-EPON-EI series. These two LEDs indicate the mode of the port status
LEDs. When the A/L LED is on, the port status LEDs respectively indicate the active status and link
status of ports. When the D/S LED is on, the port status LEDs respectively indicate the duplex status
and speed status of ports. Either the A/L LED or the D/S LED is on at a specific time. For details, see
Table 1-9.
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