DES-3028 DES-3028P DES-3052 DES-3052P Layer 2 Fast Ethernet Managed Switch
Solid Green
When there is a secure
1000Mbps connection (or
link) at the ports.
Blinking Green
When there is reception or
transmission (i.e. Activity--
Act) of data occurring at a
1000Mbps connected port.
Solid Amber
When there is a secure
100Mbps connection (or link)
at any of the ports.
Blinking Amber
When there is reception or
transmission (i.e. Activity—
Act) of data occurring at the
ports.
Link/Act/Speed
mode for SFP
ports
Green/Amber
Light off No link
Installing the SFP ports
The DES-3028/28P/52/52P Switches are equipped with SFP (Small Form Factor Portable) ports, which are to be used with fiber-
optical transceiver cabling in order to uplink various other networking devices for a gigabit link that may span great distances.
These SFP ports support full-duplex transmissions, have auto-negotiation and can be used with the DEM-310GT (1000BASE-
LX), DEM-311GT (1000BASE-SX), DEM-210 (Single Mode 100BASE-FX), DEM-211 (Multi Mode 100BASE-FX), DEM-
314GT (1000BASE-LH), DEM-315GT (1000BASE-ZX), DEM-330T/R (WDM) and DEM-331T/R (WDM) transceivers. See the
figure below for installing the SFP ports in the Switch.
Figure 1- 3. Inserting the fiber-optic transceivers into the DES-3028/28P/52/52P Switch
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