WAN Configuration 2-5
5.
For model 3341 and 3366C ADSL modems
, a
Wiring Type
pop-up menu allows you to choose the type of
copper pair wiring in use at your location. For all other models this option is preset and does not appear.
Usually, the default AutoSense will detect the type and adjust itself accordingly. If you want to set it
yourself, and you know the type of wiring you have, choose either Tip/Ring (Inner Pair) or A/A1 (Outer Pair)
from the pop-up menu.
6.
Select
Data Link Encapsulation
and press Return. The pop-up menu will offer you the choice of PPP or
RFC1483.
7.
Toggle
Annex Modes enabled
to
On
only if your ser vice provider suppor ts it. The embedded software has
the ability to suppor t Annex M mode. However, Annex M mode may affect the training timing in some
cases. Consequently, the default is
Off
. Not all ser vices suppor t this feature for all subscribers.
ATM Circuit Configuration
On ADSL WAN inter faces, the Asynchronous Transfer Mode (ATM) connection between the router and the
central office equipment (DSLAM) is divided logically into one or more vir tual circuits (VCs). A vir tual circuit may
be either a permanent vir tual circuit (PVC) or a switched vir tual circuit (SVC). Motorola Netopia
®
Routers
suppor t PVCs.
VCs are identified by a Vir tual Path Identifier (VPI) and Vir tual Channel Identifier (VCI). A VPI is an 8-bit value
between 0 and 255, inclusive, while a VCI is a 16-bit value between 0 and 65535, inclusive.
•
Circuits suppor t attributes in addition to their VPI and VCI values. When configuring a circuit, you can
specify an optional circuit name of up to 14 characters. The circuit name is used only to identify the circuit
for management purposes as a convenience to aid in selecting circuits from lists. The default circuit name
is “Circuit <n>”, where <n> is some number between one and eight corresponding to the circuit’s position
in the list of up to eight circuits.
•
You can also individually enable or disable a circuit without deleting it. This is useful for temporarily
removing a circuit without losing the configured attributes.
•
In order to function, each circuit must be bound to a Connection Profile or to the Default Profile. Among
other attributes, the profile binding specifies the IP addressing information for use on the circuit. Each
circuit must be bound to a distinct Connection Profile.
ATM VPI/VCI Autodetection.
You can bind multiple circuits to the same Connection Profile. Motorola Netopia®
Embedded Software Version 8.7.4 allows you to have a standard configuration that uses, for example, four VCs
(0/35, 0/38, 8/35, 8/38) pointing to the same profile.
The unit will now automatically select the active VC on networks with a VPI/VCI of any of these four values
without any custom configuration of the unit. You must, however, manually create these VCs and associate
them with the profile you desire.
You configure Vir tual Circuits in the Add/Change Circuit screen.
Main
Menu
WAN
Configuration
ATM Circuits
Configuration
Summary of Contents for Netopia Embedded Software
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