CTS SWH-2024D, Руководство пользователя

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If the port is connected but the Link/Activity LED is dark, check the following items:
1. The switching hub and the connected device’s power are on or not
2. The port’s cable is firmly seated in its connectors in the switching hub and in the
associated device.
3. The connecting cable is good and with correct type
4. The connecting device, including any network adapter is functioning.
2.3.2.2 FDX/COL LED
A collision occurs when two stations within a collision domain attempt to transmit
data at the same time. Intermittent flashing amber of the collision LED is normal; the
contending adapters resolve each collision by means of a wait-then-retransmit algorithm.
Frequency of collisions is an indicator of heavy traffic on the network.
If the FDX/COL light amber which means the port is under full-duplex operation or
dark for half-duplex mode.
2.3.3 Uplink Port
The uplink port is an alternative port to port 24 and user could use this port for
switch to hub or switch to switch connection without cross-over cable.
2.3.4 VLAN/TRUNK mode button
Push this button continuously will show the configuration of VLAN and Trunk groups.
The sequence of displaying will be
VLAN-A -> VLAN-B -> VLAN-C -> VLAN-D -> VLAN-E -> VLAN-F then
Trunk-A -> Trunk-B -> Trunk-C -> Trunk-D -> Trunk-E -> Trunk-F
When you select any VLAN or Trunk group, the related ports belong to that group
will have the link/act LED steady green. The status display will stay 2~3 seconds and all
the LEDs will work normally after that.
2.3.5 Reset button
Press the reset button will reboot the whole system.
2.4 The Rear Panel
The rear panel of the hub is shown below