Status Indicators; Front Panel Leds - Network Electronics Flashlink ETH1000MC User Manual

ETH1000MC

8 Status indicators

8.1 Front Panel LEDs

The status of the module can be easily monitored visually by
the LED's at the front of the module
LED Description Green light
STAT Module
status
LOS Loss of
optical
signal
LINK Ethernet link Ethernet link to
ACT Ethernet
activity
Network Electronics ASA, P.O.Box 1020, N-3204 Sandefjord, Norway. Tel.: +47 33 48 99 99 - Fax: +47 33 48 99 98
E-mail: support@network-electronics.com - Web: http://www.network-electronics.com/
Technical specifications are subject to be changed without notice.
Module self-test is
OK and power is
present.
Optical input signal
present. Note: This is
an optical
measurement, a green
light does not imply
that there exists a
valid Ethernet signal
on the optical input.
opposite end
established at
1000Mbit
Flashes when
Ethernet packets are
sent over the fibre
link. When the
Ethernet activity is
high, this will be on
continuously.
Yellow light Red light
• Module initialising
(takes approx. 2 sec).
• The laser is turned off.
• Module is faulty (fuse
blown, laser failure,
laser APC out of lock,
etc). The card needs
factory repairment.
• No optical input
signal.
• Check fibre
connection.
• Check card in
opposite end.
Ethernet link to
opposite end
established at
10 or 100Mbit
Rev. 6
No light
Module has no
power.
Ethernet link to
opposite end
not established.
The fibre link is
idle, no packets
are sent on the
link.
8