Allied Telesis NetExtreme II Adapters - Manual (Page 23)

AT-2973SX, AT-2973T, AT-2973T/4, and AT-VNC10S Adapters Installation and User’s Guide
23
Figure 6. AT-2973T/4 Faceplate
The functions of the LEDs for the RJ-45 connectors are described in
Table 4.
AT-VNC10S
Adapter
The AT-VNC10S adapter, shown in Figure 7 on page 24, has two slots for
SFP+ modules and a PCIe x8 controller bus.
Table 4. AT-2973T/4 Network Link and Activity LEDs
Port LED LED State Network State
Link LED Off No link (cable disconnected)
Steady On Link
Activity LED Off No network activity
Blinking Network activity
1862
T
LNK
AC
T
AT
I
LINK ACT
PORT 1
PORT 2
PORT 3
PORT 4