5 module status, 1 front panel, Status monitoring – Nevion ETH1000-SFP User Manual

Page 11: 5module status, 1 front panel – status monitoring, Link act los status

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ETH1000-SFP

Rev. A


nevion.com | 11

5

Module status

The status of the module can be monitored in two ways.

1. GYDA-SC System Controller (optional).

2.

LED’s at the front of the sub-rack.

Of these two, the LEDs are mounted on the module itself, whereas the GYDA System
Controller is a separate module giving detailed information on the card status. The functions
of the the LEDs are described in sections Error! Reference source not found. and 5.1.
GYDA-SC is described in a separate user manual

5.1 Front panel

– Status monitoring

The status of the module can be easily monitored visually by the LEDs at the front of the
module. The LEDs are visible through the front panel as shown in the figure below.

Figure 7 - Front panel indicators for the ETH1000-MKII

ETH1000-MKII has 4 LEDs each showing a status corresponding to the GPI pinning.

Diode \ State Red LED

Green LED

Orange LED

No light

Status

Module is faulty,
or module is
initializing.

Module is OK
Module power is
OK

Laser off

Module has no
power

LOS

No optical signal

Optical signal

Module has no
power

LINK

N/A

1000Base-T link

10/100/Base-T
link

No link

ACT

Ethernet traffic

No Ethernet traffic

LINK

ACT

LOS

STATUS

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