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Customizing G.703-Compatible Units
4-4
NOTE:
See Appendix A,
Worksheets ,
configuration options for your application.
Table 4-1. G.703-Compatible Units Configuration Options
1) SDSL Card Type
Possible Settings: CP, CO
Default Setting: CP
Indicates the placement of the unit in the network configuration. To toggle the card type,
enter 1 at the Config prompt.
CP – Unit is on the customer premises side of the SDSL connection.
CO – Unit is on the central office (or central site) side of the SDSL connection.
You must reset the board for this change to take effect. A system message is displayed
on the terminal to remind you to reset the board. To reset the board, use option R from
the Main Menu. (The board may also be reset by cycling the power on the board.)
2) E1 Line Encode
Possible Settings: HDB3, AMI
Default Setting: HDB3
Specifies the type of line encoding used to ensure one's density in the transmission
signal. To toggle the encoding method, enter 2 at the Config prompt.
HDB3 – High Density Binary 3.
AMI – Alternate Mark Inversion.
3) Framing (if far-end is a G.703-compatible unit or a V.35/V.11-compatible unit with a
full E1 payload rate of 2048 Kbps)
Possible Settings: Framed, Unframed
Default Setting: Framed
Specifies whether or not framing should be used. To toggle the framing method, enter 3
at the Config prompt.
Framed – Framing is enabled.
Unframed – Framing is disabled.
3) Starting Time Slot (only if the CP is a V.35/V.11-compatible unit with a payload rate
under 2048 Kbps)
Possible Settings: 1 through 31
Default Setting: 1
Specifies the number of the first time slot (DS0) to be used. To change the
starting time slot, enter 3 at the Config prompt. The system prompts you to
enter a time slot number. The choices in the prompt are based on the payload
rate set at the V.35/V.11-compatible CP unit.
September 1997
for help in selecting the appropriate
7915-A2-GB20-20
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