Installation Guide
9
RJ-45 Ports
The 12-port RJ-45 expansion module, model AT-A62, features the following:
■
two rows of 6 RJ-45 ports
■
gigabit ports that support speeds of 10/100/1000 Mbps
■
status LEDs
■
two 16MByte DDR-SDRAM for packet buffering
■
cable fault detection and distance-to-fault diagnostics are available for RJ-45
Ethernet ports (see the
Test Facility
chapter in the Software Reference for the
switch)
Front view AT-A62
The following LEDs report operations on AT-A62 expansion modules.
LED
State
Description
L/A
(Link Activity)
Green
A 1000 Mbps link has been established.
Green flashing
1000 Mbps activity is occurring.
Amber
A 10/100 Mbps link has been established.
Amber flashing
10/100 Mbps activity is occurring.
D/C
(Duplex/
Collision)
Green
The port is operating in full duplex mode.
Amber
The port is operating in half duplex mode.
Amber flashing
Collisions are occurring.
A
T
-A62
1 2
3 4
5 6
7 8
9 10
11
12
L/A
D/C
D/C
FULL DUP
HALF DUP
COL
ACT
L/A
LINK 1000M
ACT
LINK 10/100M
L/A
L/A
D/C