Planet FST-812S35 [18/21] Troubleshooting

5. TROUBLESHOOTING

This chapter contains information to help you solve issues. If the FST-81x is not functioning properly, make sure the

FST-81x was set up according to instructions in this manual.

The Power LED is not lit

Solution:

Check the power cable connection between power adapter and FST-81x.

Why I connect FST-81x to device with 100Base-FX interface and the 100Base-FX fiber connection fail?

Solution:

1. Please check the fiber connection between two devices is correct.

2. Please check the 100Base-FX interface from both devices run at the same full or half duplex

mode.

What device’s TP speed can accept by FST-81x TP port?

Solution:

The FST-81x TP port can accept Auto negotiation 10/100Mbps TP Port speed from various devices.

10/100Base-TX port link LED is lit, but the traffic is irregular

Solution:

1. Check that the attached device is not set to dedicate full duplex. Some devices use a physical or software switch

to change duplex modes. Auto-negotiation may not recognize this type of full-duplex setting.

2. Check the FST-81x DIP Switch setting and assure the same speed duplex mode setting on FST-81x and

attached device.

Why I change the FST-81x DIP switch setting and seems the function without any different?

Solution:

Please power off and power on the FST-81x to take effect.

What is the benefits of TS-1000 OAM and IEEE 802.3ah OAM function of FST-81x?

Solution:

Both functions provide advanced remote device monitor ability that allows network administrator to

Remote monitor and automatic notify status indication.