ADTRAN 1200305L1 system manual Dial Plan T1/PRI User Term RBS Ifce Config RBS DS0 Selection

Section 4, User Interface Guide ATLAS 550 System Manual

DIAL PLAN (T1/PRI) > USER TERM (RBS) > IFCE CONFIG (RBS) > DS0 SELECTION

Write security: 3; Read security: 5

Determines how the ATLAS 550 switchboard uses DS0s for call routing.

NORMAL	Always start with the last channel configured (i.e., for a full PRI channel
	23 would be used if available).
CIRCULAR	Contiguous channels from last to first. Use for call load balancing
	among the available DS0s on this interface.
ALIGNED	Provides the ability to maintain alignment between T1s as if they were
	in dedicated map mode. This scenario requires DS0 SELECTION set to
	ALIGNED on both interfaces (usually on User Term and on Net Term). An
	interface that has DS0 SELECTION set to ALIGNED will only process a call
	from the switchboard on the same DS0 that the incoming call was
	received.

Example: The unit receives an incoming call on DS0 17. The switchboard looks for an interface who has matching accept criteria to the number it received. A match is found on interface “Z” that has DS0 SELECTION set to ALIGNED. This causes interface “Z” to only process the call if it has DS0 17 available. If all matching interfaces have DS0 SELECTION set to ALIGNED and none of those interfaces have DS0 17 available, then a busy or fast busy will be returned to the calling party.

DIAL PLAN (E1/PRA NETWORK MODULE)

E1 TS0s are referred to as DS0s throughout the DIAL PLAN menus.

DIAL PLAN (E1/PRA) > NETWORK TERM (PRA)

Write security: 3; Read security: 5

This menu allows the user to define option parameters for ports which terminate a PRA connection from the network.

DIAL PLAN (E1/PRA) > NETWORK TERM (PRA) > IFCE CONFIG (PRA)

Write security: 3; Read security: 5

Specifies the configuration parameters for the endpoint.

DIAL PLAN (E1/PRA) > NETWORK TERM (PRA) > IFCE CONFIG (PRA) > SWITCH TYPE

Write security: 3; Read security: 5

Defines the type of PRA switch to which the port is connected. If connected to another ATLAS 550, both need to be set to the same switch type. The following option is available:

•ETSI/DSS1

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