PLANET Technology Corp.

GRT-101/401/402 User’s Manual

Only GRT-402 support 4 wire phone line to connect, it also allow to assign link type by actually connection type.

admin# setup shdsl link 4-Wire

To set link type to 2 wire, enter:

admin# setup shdsl link 2-Wire

Also, GRT series allows you to assign the connection rate directly by setting the N parameter of “n*64” command:

admin# setup shdsl n*64 <0~36>

where “0” indicates that the adaptive mode will be used to automatically train up to the ideal line speed. The other valid value of N parameter ranges between 3 and 36. Do not set the N value to 1 or 2. For example, to configure the SHDSL physical layer data rate to 256kbps, enter:

admin# setup shdsl n*64 4

For different region, you might need to set up the SHDSL type to be “Annex_A” or “Annex_B” by the following command:

admin# setup shdsl type Annex_B

Note that, to let your setting take effect, you have to save your changes and reboot the system by enter:

admin# write

3.12.2 ATM virtual connection

There are two types of ATM connections: (1) virtual paths, identified by virtual path identifiers (VPI); and (2) virtual circuit, identified by the combination of a VPI and a virtual circuit identifier (VCI). Also, there are two encapsulation methods for carrying bridged and routed PDUs in the payload field of ATM adaptation layer (AAL) type 5, which are defined in RFC 1483, multi-protocol encapsulation over AAL 5. The LLC encapsulation method multiplexes multiple protocols on a single ATM virtual circuit. Each protocol is identified in the 802.2

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