1-19
Power system
1) S3100-8C-SI AC-powered Ethernet switches:
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
2) S3100-8C-SI DC-powered Ethernet switches:
z Rated voltage range: –48 VDC to –60 VDC
z Input voltage range: –36 VDC to –72 VDC
Cooling system
The S3100-8C-SI cools off naturally.
Introduction to S3100-EI Series Ethernet Switches
S3100-26TP-EI
Both AC-powered switches and DC-powered switches are available to this model.
Front panel
S3100-26TP-EI Ethernet switches each provide twenty-four auto-sensing 10/100Base-TX Ethernet
ports, two auto-sensing 10/100/1000Base-T Ethernet ports, two 100/1000Base-X SFP ports, and one
console port. Each SFP port and the corresponding auto-sensing 10/100/1000Base- T Ethernet port
form a Combo port. For each Combo port, either the SFP port or the corresponding 10/100/1000Base-
T Ethernet port can be used at a time.
S3100-26TP-EI Ethernet switches have the same front panel, as shown in
Figure 1-24.
Figure 1-24 Front panel of an S3100-26TP-EI Ethernet switch
(1) (
) (4)
(5)
(6)
(7)(8)
(3)
(7)
(1) Auto-sensing 10/100Base-TX port Speed LED (green)
(2) Auto-sensing 10/100Base-TX port (3) Combo port Speed LED (green)
(4) Auto-sensing 10/100/1000Base-T port (5) Console port
(6) 100/1000Base-X SFP port (7) LINK/ACT LED (green)
(8) Power LED (PWR)
For details about LEDs on the front panel, refer to section “Front Panel LEDs of the S3100-TP-SI and
S3100-TP-EI Series
”.
Rear panel
Figure 1-25 shows the rear panel of an S3100-26TP-EI AC-powered Ethernet switch.
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