User`s manual

NVF-800S 4-Band VDSL IP DSLAM USER’S MANUAL Ver.A.3
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Parity: none
STOP BITS: 1
Flow control: none
4.2.2-4-4. VDSL Speed Control and port Enable/Disable
This section shows you how to change every port status and speed mode
State: You can disable or enable VDSL port control
Auto Negotiation: You can set enable or disable VDSL port
Speed: You can change VDSL Speed mode by 5Mbps, 15Mbps or 25Mbps
Speed Default Value: Auto-speed
Distance between VDSL & VDSL modem when standard 24 Gauge 0.5mm cable is used:
5 Mbps -> 1.7 Km.(Without PBX)
15 Mbps -> 1.1 km.(Without PBX)
25 Mbps -> 0.6 km.(Without PBX)
Duplex: User can set full-duplex or half-duplex mode of Ethernet port. VDSL port fix on Full Duplex.
Flow Control: Full: User can set flow control function is enable or disable in hull mode.
Half: User can set backpressure is enable or disable in half mode.
Auto Speed procedures:
a. Confirm the phone cable have been connected with NVF-800S and NVF-200R both.
b. Power on NVF-800S and NVF-200R
c. Start auto-speed function after NVF-200R re-boot.
d. NVF-800S will try 25M mode to link with NVF-200R, if fail, auto speed down to 15M mode and re-link with NVF-200R,