AT-2973SX, AT-2973T, AT-2973T/4, and AT-VNC10S Adapters Installation and User’s Guide
19
As part of the company’s green range, all four adapters are engineered to
reduce power consumption. They incorporate centralized power
management features that automatically place idle circuitry into a lower
power mode to save energy.
The following sections provide functional descriptions of the adapters:
“AT-2973SX Adapter” on page 19
“AT-2973T Adapter” on page 20
“AT-2973T/4 Adapter” on page 22
“AT-VNC10S Adapter” on page 23
AT-2973SX
Adapter
The AT-2973SX adapter, show in Figure 1, has two fiber optic ports that
have duplex LC connectors and operate at 1000 Mbps in full duplex mode.
You cannot change the speed or duplex mode of this adapter. The ports
have a maximum operating distance of 220 meters (722 feet) with 62.5/
125 µm (core/cladding) multimode cable or 550 meters (1,804 feet) with
50/125 µm fiber optic cable.
The adapter has an PCIe x4 motherboard bus connector.
Figure 1. AT-2973SX Adapter

AT-2973SX Adapter Physical Description

The faceplate on the AT-2973SX adapter provides two fiber optic
connectors for attaching the adapter to a compatible link partner. See
Figure 2 for an illustration of the adapter’s faceplate.
The AT-2973SX adapter has two fiber ports and two LEDs per port, as
shown in Figure 2 and described in Table 2 on page 20.
1696
100
ACT LNK
ATI