Billion BiPAC 8500/8501/8520/8521 SHDSL (VPN) Firewall Bridge/ Router
Chapter 4: Configuration
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SHDSL-BiPAC 8500
• Mode: The SHDSL device can function as a CPE (Customer Premises Equipment) or
CO (Central Office). Select CPE mode when the BiPAC 8500 is connected to your ISP.
• Back – to –back: it is a direct connection between two SHDSL devices with one being
set to CPE and the other is set to CO by using a standard RJ-11 telephone cable.
• Annex Type: It is the DSL operating mode standard. Select Annex A or Annex B to
support up to 2.3Mpbs SHDSL function. Select other annex such as Annex B_ANFP /
Annex A_B_ANFP, you may consult with your ISP first.
• Back – to –back: to be sure the Annex type is the same on the BiPAC 8500 and the
remote router.
• Bit Rate Mode: The mode selections are Adaptive and Fixed. Selecting the Adaptive
mode, the best connection rate will be automatically negotiated with the CO / ISP.
Selecting the Fixed mode, the connection rate will be fixed to the specific fixed bit rate
selected with the CO / ISP.
• Fixed Bit Rate: Specify the fix transfer rate when Fixed Mode is selected. Specify the
maximum transfer rate when Adaptive Mode is selected. Bit Rate range is from 200kbps
~ 2312kbps.
• Activate Line: Line active true is set by default. Select false to disable and true to
enable SHDSL SHDSL connection
Note: Once Active Line is selected as false, you must enable the Active Line to true again and
click the Apply button to reactivate SHDSL connection.
• DSP Firmware Version: Display the SHDSL line code firmware version.
• Connected: Display current SHDSL line sync status.
• State: Display current SHDSL line status.
