Troubleshooting

Troubleshooting

Diagnosing CPE Indicators

The FTTH CPE can be easily monitored through panel indicators to identify problems. The table below describes common problems you may encounter and possible solutions.

Symptom

Cause

Solution

PWR indicator does

Power outlet, or external

• Check the power outlet by plugging in another device

not light up after power

AC power adapter may

that is functioning properly.

on.

be defective.

• PoE power to the CPE may be not be supplied to the

 

 

 

 

LAN port. Check the PoE source device to be sure

 

 

that it is configured to deliver PoE through the

 

 

connected port. Also check that the PoE source

 

 

device has not exceeded its power budget and

 

 

turned off the port power.

 

 

• Contact your FTTH service provider.

LINK indicator does

Network interface (e.g., a

• Verify that the CPE and computer are powered on.

not light up after

network adapter card in

• Be sure the cable is plugged into both the CPE and

making a connection.

the attached computer),

 

network cable, or CPE

the computer.

 

UTP port may be

• Verify that the proper cable type is used and its length

 

defective.

 

does not exceed specified limits.

 

 

 

 

• Check the network adapter in the computer and

 

 

cable connections for possible defects. Replace the

 

 

defective cable if necessary.

OPT indicator does not

The CPE is not powered

• Verify that the CPE is powered on.

light up after power on.

on, the link is down at the

• Be sure the fiber cable splice and SC connector are

 

Central Office, or the

 

fiber cable may be

connected correctly in the CPE.

 

defective.

• Verify that the fiber cable length does not exceed

 

 

 

 

specified limits.

 

 

• Contact your FTTH service provider.

 

 

 

If You Cannot Connect to the Internet

Check that the attached computer is properly configured for TCP/IP. See “Configuring the TCP/IP Protocol” on page 21.

Make sure the correct network adapter driver is installed for the computer operating system. If necessary, try reinstalling the driver.

Check if the network adapter’s speed or duplex mode has been configured manually. Note that we recommend setting the adapter to auto-negotiation when installing the network driver.

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Accton Technology EC3802-WDM manual Troubleshooting, Diagnosing CPE Indicators, If You Cannot Connect to the Internet

EC3802-WDM specifications

Accton Technology's EC3802-WDM is a cutting-edge optical networking device that stands out in the competitive landscape of communication technologies. This widget presents a myriad of features aimed at enhancing data transport while minimizing operational costs. With the constant evolution of internet usage and the exponential growth of data traffic, the EC3802-WDM addresses the need for efficient and reliable network infrastructure.

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The device features a compact form factor that allows for easy integration into various network environments. It supports a range of transmission distances, ensuring versatility for diverse applications from short-haul to long-haul communications. Built to facilitate high-speed data transfer, the EC3802-WDM can offer up to 10 Gbps throughput, making it suitable for high-demand scenarios such as data centers and large enterprise networks.

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Compatibility is another significant advantage of the EC3802-WDM. It is designed to work seamlessly with various network architectures and existing equipment, ensuring minimal disruption during upgrades or expansions. The plug-and-play capability simplifies installation processes, reducing deployment time and operational overhead.

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