Sfp Ports - Allied Telesis AT-9900s Installation Manual

SFP Ports

The 12-port 1000BASE-X expansion module, model AT-A61, features the
following:
■ two rows of 6 SFP ports
■
support for hot-swappable SFP modules
■ status LEDs
■ two 16MByte DDR-SDRAM for packet buffering
■ cable fault detection and distance-to-fault diagnostics for copper SFP ports
(see the Test Facility chapter in the Software Reference for the switch)
Front view AT-A61
1 2 3
PORTS 1-12
The following LEDs report operations on AT-A61 expansion modules.
LED State
L/A Green
(Link Activity)
Green flashing
Amber
Amber flashing
4 5 6 7 8
SFP LINK ACT INSTALLED
Description
An SFP transceiver is installed and a link has
been established.
An SFP transceiver is installed and link
activity is occurring.
An SFP transceiver is installed but a link has
not been established.
An SFP is installed but there is a transmission
fault.
Installation Guide
9 10 11 12
FAULT
7