Hardened PoE Ethernet Switch
4. The 1000Base-SX/LX Connections
The fiber port pinouts: The Tx (transmit) port of device I is
connected to the Rx (receive) port of device II, and the Rx
(receive) port of device I to the Tx (transmit) port of device II.
5. The WDM 1000Base-BX Connections
The fiber port pinouts: Only one optical fiber is required to
transmit and receive data.
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