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ONT G-25E Hardware Installation Manual
3.6
Verify the Installation
Check LED states to verify ONT status (Section 3.6.1).
Services are not available until the ONT is ranged and provisioned in the PON network. If
services must be verified at the time of installation, refer to Section 3.6.2 for additional
instructions.
3.6.1
Verifying ONT Status
Once the ONT installation is complete, follow the procedure below for verifying ONT status.
Figures below show the typical status LED display after the ONT boot sequence is complete.
Figure 6 ONT has not yet been provisioned
Figure 7 ONT has already been provisioned
• Verify that the POWER LED lights green indicating that local power level is good.
• Verify that the OPTICAL LED lights green indicating that the ONT is operating normally.
-
If the ONT has already been provisioned in the network, the OPTICAL LED lights green after
the ONT boot sequence and PON ranging process is complete (approximately 1 minute after
power up). During that ranging process, the OPTICAL LED flashes continually.
The ONT is placed into service remotely through the OLT. Services to the ONT are likewise
provisioned and turned up remotely through the PON network.
• If the OPTICAL LED lights green, indicating that the ONT is communicating with the PON
network, no further activation is necessary and you can proceed to Section 3.6.2: Verifying
Services.
• If the OPTICAL LED does not light green, contact the NOC
(Network Operation Center)
to
activate the line. You may be required to provide or confirm the following information about the
ONT: vendor, model number, serial number. Once the ONT has been activated in the network,
and the OPTICAL LED lights green, you can proceed to Section 3.6.2: Verifying Services.
313-12201-02 Rev. B: August 2007
Cambridge Industries Group Co. Ltd
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ONT G-25E Hardware Installation Manual
3.6.2
Verifying Services
Follow local practices to connect to each active service port in the ONT to confirm service
activation.
1.
Connect to each active phone jack to verify telephone numbers and services. Verify that the
POTS LED lights green when a line is off hook.
2.
If Ethernet service is included in this installation, confirm that data is being received and
transmitted normally. The LAN LED flashes during data transmission.
313-12201-02 Rev. B: August 2007
Cambridge Industries Group Co. Ltd
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ONT G-25E Hardware Installation Manual
4.
Troubleshooting
4.1
ONT Status LEDs
The ONT status LEDs located on the enclosure (Figure 8) assist with installation and
maintenance procedures. These LEDs are described in detail in Table 8.
Figure 8 ONT Status LEDs location
313-12201-02 Rev. B: August 2007
Cambridge Industries Group Co. Ltd
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ONT G-25E Hardware Installation Manual
LED Name Color
Indicates
Green/Solid
ONT operating from AC power.
Green/Quick Flash System Booting.
POWER
ONT operating from battery power (applicable
only for ONT equipped with UPS power
interface).
Green/Flash
Red/Solid
Optical interface abnormal (LOS/LOF).
Green/Solid
ONT working normally.
OPTICAL
Green/Flash
ONT in ranging and synchronization process.
At least one of the Ethernet links at the ONT is
up.
Green/Solid
At least one of the Ethernet links at the ONT is
up and there is activity of receiving and
transmitting data.
Green/Flash
LAN
OFF
No Ethernet link is up at the ONT or the ONT
is not ready for running Ethernet service.
Green/Flash
In upgrading.
Red/Solid
Upgrade failure.
UPGRADE
OFF
ONT working normally.
Green/Solid
No alarm with local access enabled
Red/Flash
Software out of order.
Red/Solid
Hardware out of order.
ALARM
OFF
No alarm.
At least one POTS interfaces is in off-hook
condition.
Green/Solid
At least one POTS interfaces is in off-hook
condition for at least one hour.
Green/Flash
POTS
All POTS interfaces are in the on-hook
condition or the ONT is not ready for running
POTS service.
OFF
Table 8 ONT Status LEDs description
313-12201-02 Rev. B: August 2007
Cambridge Industries Group Co. Ltd
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ONT G-25E Hardware Installation Manual
4.2
Troubleshooting Procedures
Problem
Possible Solutions
Make sure the power cable connector is properly
seated in the ONT power input.
Verify that the power adapter is plugged into a live
AC outlet.
Check the power cable for shorts or breaks.
The POWER LED is off
Disconnect the power input connector at the ONT
and use a voltmeter to verify that the proper
voltage level is present on the 12 V pin (power and
power return) from the power adapter.
Power cycle the ONT by unplugging it from the
power adapter, then plugging it back in. If the
ONT fails the self test a second time, replace
the unit.
The ALARM LED is red
flashed or in red solid
Check the optical path.
The OPTICAL LED is in red
solid
Reset the ONT by reset button. If the ONT fails
again, replace the unit.
This is normal at boot-up and may take up to 1
minute to turn green. If this state persists, contact
the NOC (Network Operation Center) to verify that
the ONT serial number, password, and vendor ID
match those provisioned in the network database.
The
OPTICAL
LED
is
always green flashed
If provisioning is correct, have the NOC
determine whether there are alarms on the PON
feeding the ONT. If no alarms exist, use an
optical power meter to troubleshoot the fiber
network.
The UPGRADE LED is in
red solid
Contact NOC.
Check the telephone connection, or voice service
is disabled. Contact NOC for verification.
The POTS LED is off when
telephone off-hook
Check the Ethernet connection, or data service is
disabled. Contact NOC for verification.
The Data LED is off
Table 9 Troubleshoot procedures
313-12201-02 Rev. B: August 2007
Cambridge Industries Group Co. Ltd
13

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