Chapter 2: Installing the Hardware

Connecting the Network Cables

After you install the adapter in your PC, attach the system to a compatible link partner or an IEEE 802.3z compliant Gigabit Ethernet switch.

The AT-2973SX adapter has two fiber optic connectors, each with a transmit and receive connector. This adapter requires a fiber optic cable. For cable specifications, see the AT-2973SX adapter data sheet.

Note

For information about cleaning a fiber optic connector, see Appendix

B “Cleaning Fiber Optic Connectors” on page 171.

The AT-2973T adapter has two twisted-pair connectors and the AT-2973T/4 adapter has four twisted-pair connectors. Both adapters require twisted-pair cables. For pin signals and pinout information, see “10/100/1000Base-TTwisted-Pair Port Connectors” on page 168.

To connect the network cables to an AT-2973SX, AT-2973T, or

AT-2973T/4 adapter, do the following:

Warning

The fiber optic ports contain a Class 1 laser device. When the ports are disconnected, always cover them with the provided plug. Exposed ports may cause skin or eye damage. L4

1.Connect one end of the cable to the adapter.

For the AT-2973SX adapter, use a fiber optic cable.

For the AT-2973T and AT-2973T/4 adapters, use a twisted-pair cable.

2.For the AT-2973SX adapter, connect the other end of the cable to the appropriate Ethernet fiber optic port. For the AT-2973T and AT-2973T/4 adapters, connect the other end of the cable to another twisted pair port.

Note

After the cable is properly connected at both ends, the adapter port LEDs should be functional. See “AT-2973SX Adapter Physical Description” on page 17, “AT-2973T Adapter Physical Description” on page 18, or “AT-2973T/4 Adapter Physical Description” on page 21 for a description of LED operation for each adapter model.

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Allied Telesis AT-2973SX, AT-2973T/4 manual Connecting the Network Cables