User`s guide

7-8
Diagnostics and Troubleshooting
Figure 7-1. LED Activity During Normal Operation
7.5 TROUBLESHOOTING
This section lists several problem situations that could be
encountered while using the ATX and suggests appropriate action.
Layer 1
Packet Processing Engine
POWER STATUS
ENGINE STATUS
TURBO STATUS
SUPPLY A
SUPPLY B
ON if
redundant
Token Ring modules
(3T02-04 and 3T01-04)
RX
TX
ST
16 Power
Proc
(16 LED ON if set
for 16Mbps ring speed)
Ethernet modules
(3E02-04 and 3E08-04)
10BASE-T or 10BASE-FL
LINK
COL
RX
TX Power
Proc
LINK LED is
ON if module
is connected
Ethernet modules
(3E07-04 and 3E05-04)
10BASE2 or AUI
TX
RX Proc
Power
= OFF
= ON
= FLASHING
Fast Ethernet modules
(3H08-04, 3H02-04 and 3H01-04)
FDDI modules
(3F00-01, 3T05-04 and 3F55-01)
WRAP
THRU
RX
PROC
TX PWR
RING A
RING B