Cable Connection
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(transmit) port and an RX (receive) port. To enable communication between Device A and
Device B, connect the TX (transmit) port of Device A to the RX (receive) port of Device B,
and the RX (receive) port of Device A to the TX (transmit) port of Device B. The following
figure shows the cable connection of the Gigabit SFP optical module.
Figure 14 Cable Connection of Gigabit SFP Optical Module
How to Connect the Gigabit SFP Optical Module
Insert the SFP optical module into the SFP slot in the switch, and then plug the optical fiber
into the TX port and RX port of the SFP module.
Figure 15 Connecting the Gigabit SFP Optical Module
How to Determine the RX Port and TX Port of Gigabit SFP Optical Module
1. Insert the two connectors in one end of optical fiber into the gigabit SFP module, and
those in the other end of the optical fiber into the SFP module of another switch.
2. View the corresponding port connection status LED in the front panel:
If the LED blinks, the link is connected.
If the LED is off, the link is not connected. This may be caused by incorrect connection of
the TX and RX ports. In this case, swop the two connectors in the one end of the optical
fiber.
