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5.6 Port Controls
This section shows user how to change every port status and speed mode.
The procedure that the VDSL Switch determines speed is as follows:
1. Confirm the phone cable have been connected with SP3508A and
SP3501AS.
2. Power on both devices.
3. The device will start auto-speed function after SP3501AS re-boot.
4. SP3508A will try 25M mode to link with SP3501AS, if fail, auto speed
down to 15M mode and re-link with SP3501AS. If fails again, auto-
speed down to 5M and keep this mode then re-link with SP3501AS.
5. Please note any change of phone cable, SP3508A must powered off
and on, due to auto-speed function only work on re-starting.
6. Await 5 ~ 120 seconds until VDSL port link up depend on length of
phone cable.
Parameter Description
State
Users can disable or enable VDSL port activity.
Auto Negotiation
Users can disable and enable auto negotiation for the VDSL ports.
Speed
Users can change the speed of each VDSL port.
Duplex
User can set full-duplex or half-duplex mode of Ethernet port. VDSL
ports are fixed at full-duplex.
Flow Control
Full: User can set flow control function is enable or disable in full
mode.
Half: User can set backpressure is enable or disable in half mode.
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