Zyxel OLT2412 [19/326] Management card ports

Zyxel OLT2412 [19/326] Management card ports
Chapter 1 System Introduction
OLT2412 User’s Guide
19
Figure 3 Management Card Front Panel
This table describes the front pane l LEDs of the card.
1.3.1 Management Card Ports
Note: Install the management card before you make the hardware connections. See
Section 2.3 on page 34.
1.3.2 Management Card Alarm Connections
The OLT ALARM connector is a DB15 male connector which provides four external alarm input pairs
and three alarm output pairs.
Table 2 Management Card LED Descriptions
LED COLOR STATUS DESCRIPTION
PWR Green On The management card is receiving power from the chassis.
Off The management card is not receiving power from the chassis.
SYS/
ALM
Green Blinking The system is initializing.
On The management card is on and functioning properly.
Off The management card is not receiving power, is not ready or has malfunctioned.
Red An alarm has been detected on the OLT. Examples of an alarm on the OLT are
when the OLT’s voltage or temperature is outside of the normal range.
The OLT has not detected an alarm on itself.
MGMT Yellow Blinking The port is transmitting/receiving to/from a 100 Mbps Ethernet network.
On A 100 Mbps Ethernet link is up.
Off The Ethernet link is down.
Green Blinking The port is transmitting/receiving to/from a 10 Mbps Ethernet device.
On A 10 Mbps Ethernet link is up.
Off The Ethernet link is down.
Table 3 Management Card Port Descriptions
LABEL DESCRIPTION
ALARM This DB15 male connector is for connecting to alarm output or input terminals on other
equipment.
MGMT This is an RJ-45 Ethernet port for connecting to an Ethernet network for out-of-band
management (a separate channel for management that is not part of the channels that are
usually used for data transfer).
CONSOLE This DB9 female connector is for connecting to a computer for local management.
ACO Press the Alarm Cut Off (ACO) button to cancel an alarm. This stops the sending of the alarm
signal current. This is useful in stopping an alarm if you have the alarm output connector pins
connected to a visible or audible alarm. The alarm entry remains in the system.

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