Manual of VDSL2 Solution
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214
Appendix A:
Troubleshooting
Diagnosing VDSL2 8PORTS SWITCH Indicators
The Switch can be easily monitored through its comprehensive panel indicators. These indicators assist the network manager in
identifying problems the Switch may encounter. This section describes common problems you may encounter and possible
solutions
1. Symptom: POWER indicator does not light up (green) after power on.
Cause : Defective power outlet, power cord, internal power supply
Solution : Cheek the power outlet by plugging in another that is functioning properly.
Check the power cord with another device. If these measures fail to resolve the problem, have the unit power
supply replaced by an qualified distributor.
2. Symptom: Link indicator does not light up (green) after making a connection.
Cause : Network interface (e.q., a network adapter card on the attached device), network cable, or switch port is defective.
Solution :
2.1 Verify if both of the switch and attached device are powered on.
2.2 Be sure the cable is plugged into both the switch and corresponding device.
2.3 Verify that the proper cable type is used and its length does not exceed specified limits.
2.4 Check the adapter on the attached device and cable connections for possible defects.
2.5 Replace the defective adapter or cable if necessary.
3. Symptom: Upstream bandwidth control failed.
Cause : NIC(Networking Interface Card) does not have flow control function.
Solution : Be sure the NIC(Networking Interface Card) supports flow control function.
Содержание MEG821AE
Страница 1: ...M M ME E EG G G8 8 82 2 21 1 1A A AE E E MANUAL ...
Страница 110: ...Manual of VDSL2 Solution http www black box eu 109 4 2 1 3 MISC CONFIG Fig 4 2 1 3 MISC CONFIG ...
Страница 117: ...Manual of VDSL2 Solution http www black box eu 116 Fig 4 2 3 1 Port Sniffer ...
Страница 137: ...Manual of VDSL2 Solution http www black box eu 136 VLAN Filters Fig 4 3 0 0 4 VLAN Filters ...
Страница 141: ...Manual of VDSL2 Solution http www black box eu 140 be configured Fig 4 3 1 2 QinQ VLAN 4 3 1 2 1 QinQ Tunnel Setting ...
Страница 166: ...Manual of VDSL2 Solution http www black box eu 165 Fig 4 3 5 1 DHCP Relay ...
Страница 199: ...Manual of VDSL2 Solution http www black box eu 198 Figure 5 1 2 Band Profile Region ...
Страница 219: ...Manual of VDSL2 Solution http www black box eu 218 Setup VLAN Name UserA VID 21 select member ports 1 10 ...