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DES-3028 DES-3028P DES-3052 DES-3052P Layer 2 Fast Ethernet Switch CLI Reference Manual
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DEM-310GT (1000BASE-LX)
DEM-315GT (1000BASE-ZX)
DEM-311GT (1000BASE-SX)
DEM-314GT (1000BASE-LH)
DEM-210 (Single Mode 100BASE-FX)
DEM-211 (Multi Mode 100BASE-FX)
-WDM Transceiver Supported:
1.DEM-330T (TX-1550/RX-1310nm),up to 10km,Single-Mode
2.DEM-330R (TX-1310/RX-1550nm), up to 10km,Single-Mode
3.DEM-331T (TX-1550/RX-1310nm), up to 40km, Single-Mode
4.DEM-331R (TX-1310/RX-1550nm), up to 40km, Single-Mode
Compliant to following standards:
IEEE 802.3z compliance
IEEE 802.3u compliance
2 1000BASE-T ports in the front
panel
1000BASE-T ports compliant to following standards:
1. IEEE 802.3 compliance
2. IEEE 802.3u compliance
3. IEEE 802.3ab compliance
4. Support Full-Duplex operations
5. IEEE 802.3x Flow Control support for Full-Duplex mode, back pressure when
Half-Duplex mode, and Head-of-line blocking prevention
Pin Assignment for Data/Power Pairs: (alternative A MDI-X)
PIN# Signal Descriptions
1 Receive+ & Power- 0V
2 Receive- & Power- 0V
3 Transmit+ & Power+ +48V
4
5
6 Transmit- & Power+ +48V
7
8